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TOMOYO Linux Cross Reference
Linux/sound/soc/codecs/rt5640.c

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  1 /*
  2  * rt5640.c  --  RT5640 ALSA SoC audio codec driver
  3  *
  4  * Copyright 2011 Realtek Semiconductor Corp.
  5  * Author: Johnny Hsu <johnnyhsu@realtek.com>
  6  * Copyright (c) 2013, NVIDIA CORPORATION.  All rights reserved.
  7  *
  8  * This program is free software; you can redistribute it and/or modify
  9  * it under the terms of the GNU General Public License version 2 as
 10  * published by the Free Software Foundation.
 11  */
 12 
 13 #include <linux/module.h>
 14 #include <linux/moduleparam.h>
 15 #include <linux/init.h>
 16 #include <linux/delay.h>
 17 #include <linux/pm.h>
 18 #include <linux/gpio.h>
 19 #include <linux/i2c.h>
 20 #include <linux/regmap.h>
 21 #include <linux/of_gpio.h>
 22 #include <linux/platform_device.h>
 23 #include <linux/spi/spi.h>
 24 #include <sound/core.h>
 25 #include <sound/pcm.h>
 26 #include <sound/pcm_params.h>
 27 #include <sound/soc.h>
 28 #include <sound/soc-dapm.h>
 29 #include <sound/initval.h>
 30 #include <sound/tlv.h>
 31 
 32 #include "rt5640.h"
 33 
 34 #define RT5640_DEVICE_ID 0x6231
 35 
 36 #define RT5640_PR_RANGE_BASE (0xff + 1)
 37 #define RT5640_PR_SPACING 0x100
 38 
 39 #define RT5640_PR_BASE (RT5640_PR_RANGE_BASE + (0 * RT5640_PR_SPACING))
 40 
 41 static const struct regmap_range_cfg rt5640_ranges[] = {
 42         { .name = "PR", .range_min = RT5640_PR_BASE,
 43           .range_max = RT5640_PR_BASE + 0xb4,
 44           .selector_reg = RT5640_PRIV_INDEX,
 45           .selector_mask = 0xff,
 46           .selector_shift = 0x0,
 47           .window_start = RT5640_PRIV_DATA,
 48           .window_len = 0x1, },
 49 };
 50 
 51 static struct reg_default init_list[] = {
 52         {RT5640_PR_BASE + 0x3d, 0x3600},
 53         {RT5640_PR_BASE + 0x12, 0x0aa8},
 54         {RT5640_PR_BASE + 0x14, 0x0aaa},
 55         {RT5640_PR_BASE + 0x20, 0x6110},
 56         {RT5640_PR_BASE + 0x21, 0xe0e0},
 57         {RT5640_PR_BASE + 0x23, 0x1804},
 58 };
 59 #define RT5640_INIT_REG_LEN ARRAY_SIZE(init_list)
 60 
 61 static const struct reg_default rt5640_reg[RT5640_VENDOR_ID2 + 1] = {
 62         { 0x00, 0x000e },
 63         { 0x01, 0xc8c8 },
 64         { 0x02, 0xc8c8 },
 65         { 0x03, 0xc8c8 },
 66         { 0x04, 0x8000 },
 67         { 0x0d, 0x0000 },
 68         { 0x0e, 0x0000 },
 69         { 0x0f, 0x0808 },
 70         { 0x19, 0xafaf },
 71         { 0x1a, 0xafaf },
 72         { 0x1b, 0x0000 },
 73         { 0x1c, 0x2f2f },
 74         { 0x1d, 0x2f2f },
 75         { 0x1e, 0x0000 },
 76         { 0x27, 0x7060 },
 77         { 0x28, 0x7070 },
 78         { 0x29, 0x8080 },
 79         { 0x2a, 0x5454 },
 80         { 0x2b, 0x5454 },
 81         { 0x2c, 0xaa00 },
 82         { 0x2d, 0x0000 },
 83         { 0x2e, 0xa000 },
 84         { 0x2f, 0x0000 },
 85         { 0x3b, 0x0000 },
 86         { 0x3c, 0x007f },
 87         { 0x3d, 0x0000 },
 88         { 0x3e, 0x007f },
 89         { 0x45, 0xe000 },
 90         { 0x46, 0x003e },
 91         { 0x47, 0x003e },
 92         { 0x48, 0xf800 },
 93         { 0x49, 0x3800 },
 94         { 0x4a, 0x0004 },
 95         { 0x4c, 0xfc00 },
 96         { 0x4d, 0x0000 },
 97         { 0x4f, 0x01ff },
 98         { 0x50, 0x0000 },
 99         { 0x51, 0x0000 },
100         { 0x52, 0x01ff },
101         { 0x53, 0xf000 },
102         { 0x61, 0x0000 },
103         { 0x62, 0x0000 },
104         { 0x63, 0x00c0 },
105         { 0x64, 0x0000 },
106         { 0x65, 0x0000 },
107         { 0x66, 0x0000 },
108         { 0x6a, 0x0000 },
109         { 0x6c, 0x0000 },
110         { 0x70, 0x8000 },
111         { 0x71, 0x8000 },
112         { 0x72, 0x8000 },
113         { 0x73, 0x1114 },
114         { 0x74, 0x0c00 },
115         { 0x75, 0x1d00 },
116         { 0x80, 0x0000 },
117         { 0x81, 0x0000 },
118         { 0x82, 0x0000 },
119         { 0x83, 0x0000 },
120         { 0x84, 0x0000 },
121         { 0x85, 0x0008 },
122         { 0x89, 0x0000 },
123         { 0x8a, 0x0000 },
124         { 0x8b, 0x0600 },
125         { 0x8c, 0x0228 },
126         { 0x8d, 0xa000 },
127         { 0x8e, 0x0004 },
128         { 0x8f, 0x1100 },
129         { 0x90, 0x0646 },
130         { 0x91, 0x0c00 },
131         { 0x92, 0x0000 },
132         { 0x93, 0x3000 },
133         { 0xb0, 0x2080 },
134         { 0xb1, 0x0000 },
135         { 0xb4, 0x2206 },
136         { 0xb5, 0x1f00 },
137         { 0xb6, 0x0000 },
138         { 0xb8, 0x034b },
139         { 0xb9, 0x0066 },
140         { 0xba, 0x000b },
141         { 0xbb, 0x0000 },
142         { 0xbc, 0x0000 },
143         { 0xbd, 0x0000 },
144         { 0xbe, 0x0000 },
145         { 0xbf, 0x0000 },
146         { 0xc0, 0x0400 },
147         { 0xc2, 0x0000 },
148         { 0xc4, 0x0000 },
149         { 0xc5, 0x0000 },
150         { 0xc6, 0x2000 },
151         { 0xc8, 0x0000 },
152         { 0xc9, 0x0000 },
153         { 0xca, 0x0000 },
154         { 0xcb, 0x0000 },
155         { 0xcc, 0x0000 },
156         { 0xcf, 0x0013 },
157         { 0xd0, 0x0680 },
158         { 0xd1, 0x1c17 },
159         { 0xd2, 0x8c00 },
160         { 0xd3, 0xaa20 },
161         { 0xd6, 0x0400 },
162         { 0xd9, 0x0809 },
163         { 0xfe, 0x10ec },
164         { 0xff, 0x6231 },
165 };
166 
167 static int rt5640_reset(struct snd_soc_codec *codec)
168 {
169         return snd_soc_write(codec, RT5640_RESET, 0);
170 }
171 
172 static bool rt5640_volatile_register(struct device *dev, unsigned int reg)
173 {
174         int i;
175 
176         for (i = 0; i < ARRAY_SIZE(rt5640_ranges); i++)
177                 if ((reg >= rt5640_ranges[i].window_start &&
178                      reg <= rt5640_ranges[i].window_start +
179                      rt5640_ranges[i].window_len) ||
180                     (reg >= rt5640_ranges[i].range_min &&
181                      reg <= rt5640_ranges[i].range_max))
182                         return true;
183 
184         switch (reg) {
185         case RT5640_RESET:
186         case RT5640_ASRC_5:
187         case RT5640_EQ_CTRL1:
188         case RT5640_DRC_AGC_1:
189         case RT5640_ANC_CTRL1:
190         case RT5640_IRQ_CTRL2:
191         case RT5640_INT_IRQ_ST:
192         case RT5640_DSP_CTRL2:
193         case RT5640_DSP_CTRL3:
194         case RT5640_PRIV_INDEX:
195         case RT5640_PRIV_DATA:
196         case RT5640_PGM_REG_ARR1:
197         case RT5640_PGM_REG_ARR3:
198         case RT5640_VENDOR_ID:
199         case RT5640_VENDOR_ID1:
200         case RT5640_VENDOR_ID2:
201                 return true;
202         default:
203                 return false;
204         }
205 }
206 
207 static bool rt5640_readable_register(struct device *dev, unsigned int reg)
208 {
209         int i;
210 
211         for (i = 0; i < ARRAY_SIZE(rt5640_ranges); i++)
212                 if ((reg >= rt5640_ranges[i].window_start &&
213                      reg <= rt5640_ranges[i].window_start +
214                      rt5640_ranges[i].window_len) ||
215                     (reg >= rt5640_ranges[i].range_min &&
216                      reg <= rt5640_ranges[i].range_max))
217                         return true;
218 
219         switch (reg) {
220         case RT5640_RESET:
221         case RT5640_SPK_VOL:
222         case RT5640_HP_VOL:
223         case RT5640_OUTPUT:
224         case RT5640_MONO_OUT:
225         case RT5640_IN1_IN2:
226         case RT5640_IN3_IN4:
227         case RT5640_INL_INR_VOL:
228         case RT5640_DAC1_DIG_VOL:
229         case RT5640_DAC2_DIG_VOL:
230         case RT5640_DAC2_CTRL:
231         case RT5640_ADC_DIG_VOL:
232         case RT5640_ADC_DATA:
233         case RT5640_ADC_BST_VOL:
234         case RT5640_STO_ADC_MIXER:
235         case RT5640_MONO_ADC_MIXER:
236         case RT5640_AD_DA_MIXER:
237         case RT5640_STO_DAC_MIXER:
238         case RT5640_MONO_DAC_MIXER:
239         case RT5640_DIG_MIXER:
240         case RT5640_DSP_PATH1:
241         case RT5640_DSP_PATH2:
242         case RT5640_DIG_INF_DATA:
243         case RT5640_REC_L1_MIXER:
244         case RT5640_REC_L2_MIXER:
245         case RT5640_REC_R1_MIXER:
246         case RT5640_REC_R2_MIXER:
247         case RT5640_HPO_MIXER:
248         case RT5640_SPK_L_MIXER:
249         case RT5640_SPK_R_MIXER:
250         case RT5640_SPO_L_MIXER:
251         case RT5640_SPO_R_MIXER:
252         case RT5640_SPO_CLSD_RATIO:
253         case RT5640_MONO_MIXER:
254         case RT5640_OUT_L1_MIXER:
255         case RT5640_OUT_L2_MIXER:
256         case RT5640_OUT_L3_MIXER:
257         case RT5640_OUT_R1_MIXER:
258         case RT5640_OUT_R2_MIXER:
259         case RT5640_OUT_R3_MIXER:
260         case RT5640_LOUT_MIXER:
261         case RT5640_PWR_DIG1:
262         case RT5640_PWR_DIG2:
263         case RT5640_PWR_ANLG1:
264         case RT5640_PWR_ANLG2:
265         case RT5640_PWR_MIXER:
266         case RT5640_PWR_VOL:
267         case RT5640_PRIV_INDEX:
268         case RT5640_PRIV_DATA:
269         case RT5640_I2S1_SDP:
270         case RT5640_I2S2_SDP:
271         case RT5640_ADDA_CLK1:
272         case RT5640_ADDA_CLK2:
273         case RT5640_DMIC:
274         case RT5640_GLB_CLK:
275         case RT5640_PLL_CTRL1:
276         case RT5640_PLL_CTRL2:
277         case RT5640_ASRC_1:
278         case RT5640_ASRC_2:
279         case RT5640_ASRC_3:
280         case RT5640_ASRC_4:
281         case RT5640_ASRC_5:
282         case RT5640_HP_OVCD:
283         case RT5640_CLS_D_OVCD:
284         case RT5640_CLS_D_OUT:
285         case RT5640_DEPOP_M1:
286         case RT5640_DEPOP_M2:
287         case RT5640_DEPOP_M3:
288         case RT5640_CHARGE_PUMP:
289         case RT5640_PV_DET_SPK_G:
290         case RT5640_MICBIAS:
291         case RT5640_EQ_CTRL1:
292         case RT5640_EQ_CTRL2:
293         case RT5640_WIND_FILTER:
294         case RT5640_DRC_AGC_1:
295         case RT5640_DRC_AGC_2:
296         case RT5640_DRC_AGC_3:
297         case RT5640_SVOL_ZC:
298         case RT5640_ANC_CTRL1:
299         case RT5640_ANC_CTRL2:
300         case RT5640_ANC_CTRL3:
301         case RT5640_JD_CTRL:
302         case RT5640_ANC_JD:
303         case RT5640_IRQ_CTRL1:
304         case RT5640_IRQ_CTRL2:
305         case RT5640_INT_IRQ_ST:
306         case RT5640_GPIO_CTRL1:
307         case RT5640_GPIO_CTRL2:
308         case RT5640_GPIO_CTRL3:
309         case RT5640_DSP_CTRL1:
310         case RT5640_DSP_CTRL2:
311         case RT5640_DSP_CTRL3:
312         case RT5640_DSP_CTRL4:
313         case RT5640_PGM_REG_ARR1:
314         case RT5640_PGM_REG_ARR2:
315         case RT5640_PGM_REG_ARR3:
316         case RT5640_PGM_REG_ARR4:
317         case RT5640_PGM_REG_ARR5:
318         case RT5640_SCB_FUNC:
319         case RT5640_SCB_CTRL:
320         case RT5640_BASE_BACK:
321         case RT5640_MP3_PLUS1:
322         case RT5640_MP3_PLUS2:
323         case RT5640_3D_HP:
324         case RT5640_ADJ_HPF:
325         case RT5640_HP_CALIB_AMP_DET:
326         case RT5640_HP_CALIB2:
327         case RT5640_SV_ZCD1:
328         case RT5640_SV_ZCD2:
329         case RT5640_DUMMY1:
330         case RT5640_DUMMY2:
331         case RT5640_DUMMY3:
332         case RT5640_VENDOR_ID:
333         case RT5640_VENDOR_ID1:
334         case RT5640_VENDOR_ID2:
335                 return true;
336         default:
337                 return false;
338         }
339 }
340 
341 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -4650, 150, 0);
342 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -65625, 375, 0);
343 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -3450, 150, 0);
344 static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -17625, 375, 0);
345 static const DECLARE_TLV_DB_SCALE(adc_bst_tlv, 0, 1200, 0);
346 
347 /* {0, +20, +24, +30, +35, +40, +44, +50, +52} dB */
348 static unsigned int bst_tlv[] = {
349         TLV_DB_RANGE_HEAD(7),
350         0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
351         1, 1, TLV_DB_SCALE_ITEM(2000, 0, 0),
352         2, 2, TLV_DB_SCALE_ITEM(2400, 0, 0),
353         3, 5, TLV_DB_SCALE_ITEM(3000, 500, 0),
354         6, 6, TLV_DB_SCALE_ITEM(4400, 0, 0),
355         7, 7, TLV_DB_SCALE_ITEM(5000, 0, 0),
356         8, 8, TLV_DB_SCALE_ITEM(5200, 0, 0),
357 };
358 
359 /* Interface data select */
360 static const char * const rt5640_data_select[] = {
361         "Normal", "Swap", "left copy to right", "right copy to left"};
362 
363 static const SOC_ENUM_SINGLE_DECL(rt5640_if1_dac_enum, RT5640_DIG_INF_DATA,
364                                 RT5640_IF1_DAC_SEL_SFT, rt5640_data_select);
365 
366 static const SOC_ENUM_SINGLE_DECL(rt5640_if1_adc_enum, RT5640_DIG_INF_DATA,
367                                 RT5640_IF1_ADC_SEL_SFT, rt5640_data_select);
368 
369 static const SOC_ENUM_SINGLE_DECL(rt5640_if2_dac_enum, RT5640_DIG_INF_DATA,
370                                 RT5640_IF2_DAC_SEL_SFT, rt5640_data_select);
371 
372 static const SOC_ENUM_SINGLE_DECL(rt5640_if2_adc_enum, RT5640_DIG_INF_DATA,
373                                 RT5640_IF2_ADC_SEL_SFT, rt5640_data_select);
374 
375 /* Class D speaker gain ratio */
376 static const char * const rt5640_clsd_spk_ratio[] = {"1.66x", "1.83x", "1.94x",
377         "2x", "2.11x", "2.22x", "2.33x", "2.44x", "2.55x", "2.66x", "2.77x"};
378 
379 static const SOC_ENUM_SINGLE_DECL(
380         rt5640_clsd_spk_ratio_enum, RT5640_CLS_D_OUT,
381         RT5640_CLSD_RATIO_SFT, rt5640_clsd_spk_ratio);
382 
383 static const struct snd_kcontrol_new rt5640_snd_controls[] = {
384         /* Speaker Output Volume */
385         SOC_DOUBLE("Speaker Channel Switch", RT5640_SPK_VOL,
386                 RT5640_VOL_L_SFT, RT5640_VOL_R_SFT, 1, 1),
387         SOC_DOUBLE_TLV("Speaker Playback Volume", RT5640_SPK_VOL,
388                 RT5640_L_VOL_SFT, RT5640_R_VOL_SFT, 39, 1, out_vol_tlv),
389         /* Headphone Output Volume */
390         SOC_DOUBLE("HP Channel Switch", RT5640_HP_VOL,
391                 RT5640_VOL_L_SFT, RT5640_VOL_R_SFT, 1, 1),
392         SOC_DOUBLE_TLV("HP Playback Volume", RT5640_HP_VOL,
393                 RT5640_L_VOL_SFT, RT5640_R_VOL_SFT, 39, 1, out_vol_tlv),
394         /* OUTPUT Control */
395         SOC_DOUBLE("OUT Playback Switch", RT5640_OUTPUT,
396                 RT5640_L_MUTE_SFT, RT5640_R_MUTE_SFT, 1, 1),
397         SOC_DOUBLE("OUT Channel Switch", RT5640_OUTPUT,
398                 RT5640_VOL_L_SFT, RT5640_VOL_R_SFT, 1, 1),
399         SOC_DOUBLE_TLV("OUT Playback Volume", RT5640_OUTPUT,
400                 RT5640_L_VOL_SFT, RT5640_R_VOL_SFT, 39, 1, out_vol_tlv),
401         /* MONO Output Control */
402         SOC_SINGLE("Mono Playback Switch", RT5640_MONO_OUT,
403                                 RT5640_L_MUTE_SFT, 1, 1),
404         /* DAC Digital Volume */
405         SOC_DOUBLE("DAC2 Playback Switch", RT5640_DAC2_CTRL,
406                 RT5640_M_DAC_L2_VOL_SFT, RT5640_M_DAC_R2_VOL_SFT, 1, 1),
407         SOC_DOUBLE_TLV("DAC1 Playback Volume", RT5640_DAC1_DIG_VOL,
408                         RT5640_L_VOL_SFT, RT5640_R_VOL_SFT,
409                         175, 0, dac_vol_tlv),
410         SOC_DOUBLE_TLV("Mono DAC Playback Volume", RT5640_DAC2_DIG_VOL,
411                         RT5640_L_VOL_SFT, RT5640_R_VOL_SFT,
412                         175, 0, dac_vol_tlv),
413         /* IN1/IN2 Control */
414         SOC_SINGLE_TLV("IN1 Boost", RT5640_IN1_IN2,
415                 RT5640_BST_SFT1, 8, 0, bst_tlv),
416         SOC_SINGLE_TLV("IN2 Boost", RT5640_IN3_IN4,
417                 RT5640_BST_SFT2, 8, 0, bst_tlv),
418         /* INL/INR Volume Control */
419         SOC_DOUBLE_TLV("IN Capture Volume", RT5640_INL_INR_VOL,
420                         RT5640_INL_VOL_SFT, RT5640_INR_VOL_SFT,
421                         31, 1, in_vol_tlv),
422         /* ADC Digital Volume Control */
423         SOC_DOUBLE("ADC Capture Switch", RT5640_ADC_DIG_VOL,
424                 RT5640_L_MUTE_SFT, RT5640_R_MUTE_SFT, 1, 1),
425         SOC_DOUBLE_TLV("ADC Capture Volume", RT5640_ADC_DIG_VOL,
426                         RT5640_L_VOL_SFT, RT5640_R_VOL_SFT,
427                         127, 0, adc_vol_tlv),
428         SOC_DOUBLE_TLV("Mono ADC Capture Volume", RT5640_ADC_DATA,
429                         RT5640_L_VOL_SFT, RT5640_R_VOL_SFT,
430                         127, 0, adc_vol_tlv),
431         /* ADC Boost Volume Control */
432         SOC_DOUBLE_TLV("ADC Boost Gain", RT5640_ADC_BST_VOL,
433                         RT5640_ADC_L_BST_SFT, RT5640_ADC_R_BST_SFT,
434                         3, 0, adc_bst_tlv),
435         /* Class D speaker gain ratio */
436         SOC_ENUM("Class D SPK Ratio Control", rt5640_clsd_spk_ratio_enum),
437 
438         SOC_ENUM("ADC IF1 Data Switch", rt5640_if1_adc_enum),
439         SOC_ENUM("DAC IF1 Data Switch", rt5640_if1_dac_enum),
440         SOC_ENUM("ADC IF2 Data Switch", rt5640_if2_adc_enum),
441         SOC_ENUM("DAC IF2 Data Switch", rt5640_if2_dac_enum),
442 };
443 
444 /**
445  * set_dmic_clk - Set parameter of dmic.
446  *
447  * @w: DAPM widget.
448  * @kcontrol: The kcontrol of this widget.
449  * @event: Event id.
450  *
451  * Choose dmic clock between 1MHz and 3MHz.
452  * It is better for clock to approximate 3MHz.
453  */
454 static int set_dmic_clk(struct snd_soc_dapm_widget *w,
455         struct snd_kcontrol *kcontrol, int event)
456 {
457         struct snd_soc_codec *codec = w->codec;
458         struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
459         int div[] = {2, 3, 4, 6, 8, 12};
460         int idx = -EINVAL, i;
461         int rate, red, bound, temp;
462 
463         rate = rt5640->sysclk;
464         red = 3000000 * 12;
465         for (i = 0; i < ARRAY_SIZE(div); i++) {
466                 bound = div[i] * 3000000;
467                 if (rate > bound)
468                         continue;
469                 temp = bound - rate;
470                 if (temp < red) {
471                         red = temp;
472                         idx = i;
473                 }
474         }
475         if (idx < 0)
476                 dev_err(codec->dev, "Failed to set DMIC clock\n");
477         else
478                 snd_soc_update_bits(codec, RT5640_DMIC, RT5640_DMIC_CLK_MASK,
479                                         idx << RT5640_DMIC_CLK_SFT);
480         return idx;
481 }
482 
483 static int check_sysclk1_source(struct snd_soc_dapm_widget *source,
484                          struct snd_soc_dapm_widget *sink)
485 {
486         unsigned int val;
487 
488         val = snd_soc_read(source->codec, RT5640_GLB_CLK);
489         val &= RT5640_SCLK_SRC_MASK;
490         if (val == RT5640_SCLK_SRC_PLL1 || val == RT5640_SCLK_SRC_PLL1T)
491                 return 1;
492         else
493                 return 0;
494 }
495 
496 /* Digital Mixer */
497 static const struct snd_kcontrol_new rt5640_sto_adc_l_mix[] = {
498         SOC_DAPM_SINGLE("ADC1 Switch", RT5640_STO_ADC_MIXER,
499                         RT5640_M_ADC_L1_SFT, 1, 1),
500         SOC_DAPM_SINGLE("ADC2 Switch", RT5640_STO_ADC_MIXER,
501                         RT5640_M_ADC_L2_SFT, 1, 1),
502 };
503 
504 static const struct snd_kcontrol_new rt5640_sto_adc_r_mix[] = {
505         SOC_DAPM_SINGLE("ADC1 Switch", RT5640_STO_ADC_MIXER,
506                         RT5640_M_ADC_R1_SFT, 1, 1),
507         SOC_DAPM_SINGLE("ADC2 Switch", RT5640_STO_ADC_MIXER,
508                         RT5640_M_ADC_R2_SFT, 1, 1),
509 };
510 
511 static const struct snd_kcontrol_new rt5640_mono_adc_l_mix[] = {
512         SOC_DAPM_SINGLE("ADC1 Switch", RT5640_MONO_ADC_MIXER,
513                         RT5640_M_MONO_ADC_L1_SFT, 1, 1),
514         SOC_DAPM_SINGLE("ADC2 Switch", RT5640_MONO_ADC_MIXER,
515                         RT5640_M_MONO_ADC_L2_SFT, 1, 1),
516 };
517 
518 static const struct snd_kcontrol_new rt5640_mono_adc_r_mix[] = {
519         SOC_DAPM_SINGLE("ADC1 Switch", RT5640_MONO_ADC_MIXER,
520                         RT5640_M_MONO_ADC_R1_SFT, 1, 1),
521         SOC_DAPM_SINGLE("ADC2 Switch", RT5640_MONO_ADC_MIXER,
522                         RT5640_M_MONO_ADC_R2_SFT, 1, 1),
523 };
524 
525 static const struct snd_kcontrol_new rt5640_dac_l_mix[] = {
526         SOC_DAPM_SINGLE("Stereo ADC Switch", RT5640_AD_DA_MIXER,
527                         RT5640_M_ADCMIX_L_SFT, 1, 1),
528         SOC_DAPM_SINGLE("INF1 Switch", RT5640_AD_DA_MIXER,
529                         RT5640_M_IF1_DAC_L_SFT, 1, 1),
530 };
531 
532 static const struct snd_kcontrol_new rt5640_dac_r_mix[] = {
533         SOC_DAPM_SINGLE("Stereo ADC Switch", RT5640_AD_DA_MIXER,
534                         RT5640_M_ADCMIX_R_SFT, 1, 1),
535         SOC_DAPM_SINGLE("INF1 Switch", RT5640_AD_DA_MIXER,
536                         RT5640_M_IF1_DAC_R_SFT, 1, 1),
537 };
538 
539 static const struct snd_kcontrol_new rt5640_sto_dac_l_mix[] = {
540         SOC_DAPM_SINGLE("DAC L1 Switch", RT5640_STO_DAC_MIXER,
541                         RT5640_M_DAC_L1_SFT, 1, 1),
542         SOC_DAPM_SINGLE("DAC L2 Switch", RT5640_STO_DAC_MIXER,
543                         RT5640_M_DAC_L2_SFT, 1, 1),
544         SOC_DAPM_SINGLE("ANC Switch", RT5640_STO_DAC_MIXER,
545                         RT5640_M_ANC_DAC_L_SFT, 1, 1),
546 };
547 
548 static const struct snd_kcontrol_new rt5640_sto_dac_r_mix[] = {
549         SOC_DAPM_SINGLE("DAC R1 Switch", RT5640_STO_DAC_MIXER,
550                         RT5640_M_DAC_R1_SFT, 1, 1),
551         SOC_DAPM_SINGLE("DAC R2 Switch", RT5640_STO_DAC_MIXER,
552                         RT5640_M_DAC_R2_SFT, 1, 1),
553         SOC_DAPM_SINGLE("ANC Switch", RT5640_STO_DAC_MIXER,
554                         RT5640_M_ANC_DAC_R_SFT, 1, 1),
555 };
556 
557 static const struct snd_kcontrol_new rt5640_mono_dac_l_mix[] = {
558         SOC_DAPM_SINGLE("DAC L1 Switch", RT5640_MONO_DAC_MIXER,
559                         RT5640_M_DAC_L1_MONO_L_SFT, 1, 1),
560         SOC_DAPM_SINGLE("DAC L2 Switch", RT5640_MONO_DAC_MIXER,
561                         RT5640_M_DAC_L2_MONO_L_SFT, 1, 1),
562         SOC_DAPM_SINGLE("DAC R2 Switch", RT5640_MONO_DAC_MIXER,
563                         RT5640_M_DAC_R2_MONO_L_SFT, 1, 1),
564 };
565 
566 static const struct snd_kcontrol_new rt5640_mono_dac_r_mix[] = {
567         SOC_DAPM_SINGLE("DAC R1 Switch", RT5640_MONO_DAC_MIXER,
568                         RT5640_M_DAC_R1_MONO_R_SFT, 1, 1),
569         SOC_DAPM_SINGLE("DAC R2 Switch", RT5640_MONO_DAC_MIXER,
570                         RT5640_M_DAC_R2_MONO_R_SFT, 1, 1),
571         SOC_DAPM_SINGLE("DAC L2 Switch", RT5640_MONO_DAC_MIXER,
572                         RT5640_M_DAC_L2_MONO_R_SFT, 1, 1),
573 };
574 
575 static const struct snd_kcontrol_new rt5640_dig_l_mix[] = {
576         SOC_DAPM_SINGLE("DAC L1 Switch", RT5640_DIG_MIXER,
577                         RT5640_M_STO_L_DAC_L_SFT, 1, 1),
578         SOC_DAPM_SINGLE("DAC L2 Switch", RT5640_DIG_MIXER,
579                         RT5640_M_DAC_L2_DAC_L_SFT, 1, 1),
580 };
581 
582 static const struct snd_kcontrol_new rt5640_dig_r_mix[] = {
583         SOC_DAPM_SINGLE("DAC R1 Switch", RT5640_DIG_MIXER,
584                         RT5640_M_STO_R_DAC_R_SFT, 1, 1),
585         SOC_DAPM_SINGLE("DAC R2 Switch", RT5640_DIG_MIXER,
586                         RT5640_M_DAC_R2_DAC_R_SFT, 1, 1),
587 };
588 
589 /* Analog Input Mixer */
590 static const struct snd_kcontrol_new rt5640_rec_l_mix[] = {
591         SOC_DAPM_SINGLE("HPOL Switch", RT5640_REC_L2_MIXER,
592                         RT5640_M_HP_L_RM_L_SFT, 1, 1),
593         SOC_DAPM_SINGLE("INL Switch", RT5640_REC_L2_MIXER,
594                         RT5640_M_IN_L_RM_L_SFT, 1, 1),
595         SOC_DAPM_SINGLE("BST2 Switch", RT5640_REC_L2_MIXER,
596                         RT5640_M_BST4_RM_L_SFT, 1, 1),
597         SOC_DAPM_SINGLE("BST1 Switch", RT5640_REC_L2_MIXER,
598                         RT5640_M_BST1_RM_L_SFT, 1, 1),
599         SOC_DAPM_SINGLE("OUT MIXL Switch", RT5640_REC_L2_MIXER,
600                         RT5640_M_OM_L_RM_L_SFT, 1, 1),
601 };
602 
603 static const struct snd_kcontrol_new rt5640_rec_r_mix[] = {
604         SOC_DAPM_SINGLE("HPOR Switch", RT5640_REC_R2_MIXER,
605                         RT5640_M_HP_R_RM_R_SFT, 1, 1),
606         SOC_DAPM_SINGLE("INR Switch", RT5640_REC_R2_MIXER,
607                         RT5640_M_IN_R_RM_R_SFT, 1, 1),
608         SOC_DAPM_SINGLE("BST2 Switch", RT5640_REC_R2_MIXER,
609                         RT5640_M_BST4_RM_R_SFT, 1, 1),
610         SOC_DAPM_SINGLE("BST1 Switch", RT5640_REC_R2_MIXER,
611                         RT5640_M_BST1_RM_R_SFT, 1, 1),
612         SOC_DAPM_SINGLE("OUT MIXR Switch", RT5640_REC_R2_MIXER,
613                         RT5640_M_OM_R_RM_R_SFT, 1, 1),
614 };
615 
616 /* Analog Output Mixer */
617 static const struct snd_kcontrol_new rt5640_spk_l_mix[] = {
618         SOC_DAPM_SINGLE("REC MIXL Switch", RT5640_SPK_L_MIXER,
619                         RT5640_M_RM_L_SM_L_SFT, 1, 1),
620         SOC_DAPM_SINGLE("INL Switch", RT5640_SPK_L_MIXER,
621                         RT5640_M_IN_L_SM_L_SFT, 1, 1),
622         SOC_DAPM_SINGLE("DAC L1 Switch", RT5640_SPK_L_MIXER,
623                         RT5640_M_DAC_L1_SM_L_SFT, 1, 1),
624         SOC_DAPM_SINGLE("DAC L2 Switch", RT5640_SPK_L_MIXER,
625                         RT5640_M_DAC_L2_SM_L_SFT, 1, 1),
626         SOC_DAPM_SINGLE("OUT MIXL Switch", RT5640_SPK_L_MIXER,
627                         RT5640_M_OM_L_SM_L_SFT, 1, 1),
628 };
629 
630 static const struct snd_kcontrol_new rt5640_spk_r_mix[] = {
631         SOC_DAPM_SINGLE("REC MIXR Switch", RT5640_SPK_R_MIXER,
632                         RT5640_M_RM_R_SM_R_SFT, 1, 1),
633         SOC_DAPM_SINGLE("INR Switch", RT5640_SPK_R_MIXER,
634                         RT5640_M_IN_R_SM_R_SFT, 1, 1),
635         SOC_DAPM_SINGLE("DAC R1 Switch", RT5640_SPK_R_MIXER,
636                         RT5640_M_DAC_R1_SM_R_SFT, 1, 1),
637         SOC_DAPM_SINGLE("DAC R2 Switch", RT5640_SPK_R_MIXER,
638                         RT5640_M_DAC_R2_SM_R_SFT, 1, 1),
639         SOC_DAPM_SINGLE("OUT MIXR Switch", RT5640_SPK_R_MIXER,
640                         RT5640_M_OM_R_SM_R_SFT, 1, 1),
641 };
642 
643 static const struct snd_kcontrol_new rt5640_out_l_mix[] = {
644         SOC_DAPM_SINGLE("SPK MIXL Switch", RT5640_OUT_L3_MIXER,
645                         RT5640_M_SM_L_OM_L_SFT, 1, 1),
646         SOC_DAPM_SINGLE("BST1 Switch", RT5640_OUT_L3_MIXER,
647                         RT5640_M_BST1_OM_L_SFT, 1, 1),
648         SOC_DAPM_SINGLE("INL Switch", RT5640_OUT_L3_MIXER,
649                         RT5640_M_IN_L_OM_L_SFT, 1, 1),
650         SOC_DAPM_SINGLE("REC MIXL Switch", RT5640_OUT_L3_MIXER,
651                         RT5640_M_RM_L_OM_L_SFT, 1, 1),
652         SOC_DAPM_SINGLE("DAC R2 Switch", RT5640_OUT_L3_MIXER,
653                         RT5640_M_DAC_R2_OM_L_SFT, 1, 1),
654         SOC_DAPM_SINGLE("DAC L2 Switch", RT5640_OUT_L3_MIXER,
655                         RT5640_M_DAC_L2_OM_L_SFT, 1, 1),
656         SOC_DAPM_SINGLE("DAC L1 Switch", RT5640_OUT_L3_MIXER,
657                         RT5640_M_DAC_L1_OM_L_SFT, 1, 1),
658 };
659 
660 static const struct snd_kcontrol_new rt5640_out_r_mix[] = {
661         SOC_DAPM_SINGLE("SPK MIXR Switch", RT5640_OUT_R3_MIXER,
662                         RT5640_M_SM_L_OM_R_SFT, 1, 1),
663         SOC_DAPM_SINGLE("BST2 Switch", RT5640_OUT_R3_MIXER,
664                         RT5640_M_BST4_OM_R_SFT, 1, 1),
665         SOC_DAPM_SINGLE("BST1 Switch", RT5640_OUT_R3_MIXER,
666                         RT5640_M_BST1_OM_R_SFT, 1, 1),
667         SOC_DAPM_SINGLE("INR Switch", RT5640_OUT_R3_MIXER,
668                         RT5640_M_IN_R_OM_R_SFT, 1, 1),
669         SOC_DAPM_SINGLE("REC MIXR Switch", RT5640_OUT_R3_MIXER,
670                         RT5640_M_RM_R_OM_R_SFT, 1, 1),
671         SOC_DAPM_SINGLE("DAC L2 Switch", RT5640_OUT_R3_MIXER,
672                         RT5640_M_DAC_L2_OM_R_SFT, 1, 1),
673         SOC_DAPM_SINGLE("DAC R2 Switch", RT5640_OUT_R3_MIXER,
674                         RT5640_M_DAC_R2_OM_R_SFT, 1, 1),
675         SOC_DAPM_SINGLE("DAC R1 Switch", RT5640_OUT_R3_MIXER,
676                         RT5640_M_DAC_R1_OM_R_SFT, 1, 1),
677 };
678 
679 static const struct snd_kcontrol_new rt5640_spo_l_mix[] = {
680         SOC_DAPM_SINGLE("DAC R1 Switch", RT5640_SPO_L_MIXER,
681                         RT5640_M_DAC_R1_SPM_L_SFT, 1, 1),
682         SOC_DAPM_SINGLE("DAC L1 Switch", RT5640_SPO_L_MIXER,
683                         RT5640_M_DAC_L1_SPM_L_SFT, 1, 1),
684         SOC_DAPM_SINGLE("SPKVOL R Switch", RT5640_SPO_L_MIXER,
685                         RT5640_M_SV_R_SPM_L_SFT, 1, 1),
686         SOC_DAPM_SINGLE("SPKVOL L Switch", RT5640_SPO_L_MIXER,
687                         RT5640_M_SV_L_SPM_L_SFT, 1, 1),
688         SOC_DAPM_SINGLE("BST1 Switch", RT5640_SPO_L_MIXER,
689                         RT5640_M_BST1_SPM_L_SFT, 1, 1),
690 };
691 
692 static const struct snd_kcontrol_new rt5640_spo_r_mix[] = {
693         SOC_DAPM_SINGLE("DAC R1 Switch", RT5640_SPO_R_MIXER,
694                         RT5640_M_DAC_R1_SPM_R_SFT, 1, 1),
695         SOC_DAPM_SINGLE("SPKVOL R Switch", RT5640_SPO_R_MIXER,
696                         RT5640_M_SV_R_SPM_R_SFT, 1, 1),
697         SOC_DAPM_SINGLE("BST1 Switch", RT5640_SPO_R_MIXER,
698                         RT5640_M_BST1_SPM_R_SFT, 1, 1),
699 };
700 
701 static const struct snd_kcontrol_new rt5640_hpo_mix[] = {
702         SOC_DAPM_SINGLE("HPO MIX DAC2 Switch", RT5640_HPO_MIXER,
703                         RT5640_M_DAC2_HM_SFT, 1, 1),
704         SOC_DAPM_SINGLE("HPO MIX DAC1 Switch", RT5640_HPO_MIXER,
705                         RT5640_M_DAC1_HM_SFT, 1, 1),
706         SOC_DAPM_SINGLE("HPO MIX HPVOL Switch", RT5640_HPO_MIXER,
707                         RT5640_M_HPVOL_HM_SFT, 1, 1),
708 };
709 
710 static const struct snd_kcontrol_new rt5640_lout_mix[] = {
711         SOC_DAPM_SINGLE("DAC L1 Switch", RT5640_LOUT_MIXER,
712                         RT5640_M_DAC_L1_LM_SFT, 1, 1),
713         SOC_DAPM_SINGLE("DAC R1 Switch", RT5640_LOUT_MIXER,
714                         RT5640_M_DAC_R1_LM_SFT, 1, 1),
715         SOC_DAPM_SINGLE("OUTVOL L Switch", RT5640_LOUT_MIXER,
716                         RT5640_M_OV_L_LM_SFT, 1, 1),
717         SOC_DAPM_SINGLE("OUTVOL R Switch", RT5640_LOUT_MIXER,
718                         RT5640_M_OV_R_LM_SFT, 1, 1),
719 };
720 
721 static const struct snd_kcontrol_new rt5640_mono_mix[] = {
722         SOC_DAPM_SINGLE("DAC R2 Switch", RT5640_MONO_MIXER,
723                         RT5640_M_DAC_R2_MM_SFT, 1, 1),
724         SOC_DAPM_SINGLE("DAC L2 Switch", RT5640_MONO_MIXER,
725                         RT5640_M_DAC_L2_MM_SFT, 1, 1),
726         SOC_DAPM_SINGLE("OUTVOL R Switch", RT5640_MONO_MIXER,
727                         RT5640_M_OV_R_MM_SFT, 1, 1),
728         SOC_DAPM_SINGLE("OUTVOL L Switch", RT5640_MONO_MIXER,
729                         RT5640_M_OV_L_MM_SFT, 1, 1),
730         SOC_DAPM_SINGLE("BST1 Switch", RT5640_MONO_MIXER,
731                         RT5640_M_BST1_MM_SFT, 1, 1),
732 };
733 
734 static const struct snd_kcontrol_new spk_l_enable_control =
735         SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT5640_SPK_VOL,
736                 RT5640_L_MUTE_SFT, 1, 1);
737 
738 static const struct snd_kcontrol_new spk_r_enable_control =
739         SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT5640_SPK_VOL,
740                 RT5640_R_MUTE_SFT, 1, 1);
741 
742 static const struct snd_kcontrol_new hp_l_enable_control =
743         SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT5640_HP_VOL,
744                 RT5640_L_MUTE_SFT, 1, 1);
745 
746 static const struct snd_kcontrol_new hp_r_enable_control =
747         SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT5640_HP_VOL,
748                 RT5640_R_MUTE_SFT, 1, 1);
749 
750 /* Stereo ADC source */
751 static const char * const rt5640_stereo_adc1_src[] = {
752         "DIG MIX", "ADC"
753 };
754 
755 static const SOC_ENUM_SINGLE_DECL(
756         rt5640_stereo_adc1_enum, RT5640_STO_ADC_MIXER,
757         RT5640_ADC_1_SRC_SFT, rt5640_stereo_adc1_src);
758 
759 static const struct snd_kcontrol_new rt5640_sto_adc_1_mux =
760         SOC_DAPM_ENUM("Stereo ADC1 Mux", rt5640_stereo_adc1_enum);
761 
762 static const char * const rt5640_stereo_adc2_src[] = {
763         "DMIC1", "DMIC2", "DIG MIX"
764 };
765 
766 static const SOC_ENUM_SINGLE_DECL(
767         rt5640_stereo_adc2_enum, RT5640_STO_ADC_MIXER,
768         RT5640_ADC_2_SRC_SFT, rt5640_stereo_adc2_src);
769 
770 static const struct snd_kcontrol_new rt5640_sto_adc_2_mux =
771         SOC_DAPM_ENUM("Stereo ADC2 Mux", rt5640_stereo_adc2_enum);
772 
773 /* Mono ADC source */
774 static const char * const rt5640_mono_adc_l1_src[] = {
775         "Mono DAC MIXL", "ADCL"
776 };
777 
778 static const SOC_ENUM_SINGLE_DECL(
779         rt5640_mono_adc_l1_enum, RT5640_MONO_ADC_MIXER,
780         RT5640_MONO_ADC_L1_SRC_SFT, rt5640_mono_adc_l1_src);
781 
782 static const struct snd_kcontrol_new rt5640_mono_adc_l1_mux =
783         SOC_DAPM_ENUM("Mono ADC1 left source", rt5640_mono_adc_l1_enum);
784 
785 static const char * const rt5640_mono_adc_l2_src[] = {
786         "DMIC L1", "DMIC L2", "Mono DAC MIXL"
787 };
788 
789 static const SOC_ENUM_SINGLE_DECL(
790         rt5640_mono_adc_l2_enum, RT5640_MONO_ADC_MIXER,
791         RT5640_MONO_ADC_L2_SRC_SFT, rt5640_mono_adc_l2_src);
792 
793 static const struct snd_kcontrol_new rt5640_mono_adc_l2_mux =
794         SOC_DAPM_ENUM("Mono ADC2 left source", rt5640_mono_adc_l2_enum);
795 
796 static const char * const rt5640_mono_adc_r1_src[] = {
797         "Mono DAC MIXR", "ADCR"
798 };
799 
800 static const SOC_ENUM_SINGLE_DECL(
801         rt5640_mono_adc_r1_enum, RT5640_MONO_ADC_MIXER,
802         RT5640_MONO_ADC_R1_SRC_SFT, rt5640_mono_adc_r1_src);
803 
804 static const struct snd_kcontrol_new rt5640_mono_adc_r1_mux =
805         SOC_DAPM_ENUM("Mono ADC1 right source", rt5640_mono_adc_r1_enum);
806 
807 static const char * const rt5640_mono_adc_r2_src[] = {
808         "DMIC R1", "DMIC R2", "Mono DAC MIXR"
809 };
810 
811 static const SOC_ENUM_SINGLE_DECL(
812         rt5640_mono_adc_r2_enum, RT5640_MONO_ADC_MIXER,
813         RT5640_MONO_ADC_R2_SRC_SFT, rt5640_mono_adc_r2_src);
814 
815 static const struct snd_kcontrol_new rt5640_mono_adc_r2_mux =
816         SOC_DAPM_ENUM("Mono ADC2 right source", rt5640_mono_adc_r2_enum);
817 
818 /* DAC2 channel source */
819 static const char * const rt5640_dac_l2_src[] = {
820         "IF2", "Base L/R"
821 };
822 
823 static int rt5640_dac_l2_values[] = {
824         0,
825         3,
826 };
827 
828 static const SOC_VALUE_ENUM_SINGLE_DECL(
829         rt5640_dac_l2_enum, RT5640_DSP_PATH2, RT5640_DAC_L2_SEL_SFT,
830         0x3, rt5640_dac_l2_src, rt5640_dac_l2_values);
831 
832 static const struct snd_kcontrol_new rt5640_dac_l2_mux =
833         SOC_DAPM_VALUE_ENUM("DAC2 left channel source", rt5640_dac_l2_enum);
834 
835 static const char * const rt5640_dac_r2_src[] = {
836         "IF2",
837 };
838 
839 static int rt5640_dac_r2_values[] = {
840         0,
841 };
842 
843 static const SOC_VALUE_ENUM_SINGLE_DECL(
844         rt5640_dac_r2_enum, RT5640_DSP_PATH2, RT5640_DAC_R2_SEL_SFT,
845         0x3, rt5640_dac_r2_src, rt5640_dac_r2_values);
846 
847 static const struct snd_kcontrol_new rt5640_dac_r2_mux =
848         SOC_DAPM_ENUM("DAC2 right channel source", rt5640_dac_r2_enum);
849 
850 /* digital interface and iis interface map */
851 static const char * const rt5640_dai_iis_map[] = {
852         "1:1|2:2", "1:2|2:1", "1:1|2:1", "1:2|2:2"
853 };
854 
855 static int rt5640_dai_iis_map_values[] = {
856         0,
857         5,
858         6,
859         7,
860 };
861 
862 static const SOC_VALUE_ENUM_SINGLE_DECL(
863         rt5640_dai_iis_map_enum, RT5640_I2S1_SDP, RT5640_I2S_IF_SFT,
864         0x7, rt5640_dai_iis_map, rt5640_dai_iis_map_values);
865 
866 static const struct snd_kcontrol_new rt5640_dai_mux =
867         SOC_DAPM_VALUE_ENUM("DAI select", rt5640_dai_iis_map_enum);
868 
869 /* SDI select */
870 static const char * const rt5640_sdi_sel[] = {
871         "IF1", "IF2"
872 };
873 
874 static const SOC_ENUM_SINGLE_DECL(
875         rt5640_sdi_sel_enum, RT5640_I2S2_SDP,
876         RT5640_I2S2_SDI_SFT, rt5640_sdi_sel);
877 
878 static const struct snd_kcontrol_new rt5640_sdi_mux =
879         SOC_DAPM_ENUM("SDI select", rt5640_sdi_sel_enum);
880 
881 static int rt5640_set_dmic1_event(struct snd_soc_dapm_widget *w,
882         struct snd_kcontrol *kcontrol, int event)
883 {
884         struct snd_soc_codec *codec = w->codec;
885 
886         switch (event) {
887         case SND_SOC_DAPM_PRE_PMU:
888                 snd_soc_update_bits(codec, RT5640_GPIO_CTRL1,
889                         RT5640_GP2_PIN_MASK | RT5640_GP3_PIN_MASK,
890                         RT5640_GP2_PIN_DMIC1_SCL | RT5640_GP3_PIN_DMIC1_SDA);
891                 snd_soc_update_bits(codec, RT5640_DMIC,
892                         RT5640_DMIC_1L_LH_MASK | RT5640_DMIC_1R_LH_MASK |
893                         RT5640_DMIC_1_DP_MASK,
894                         RT5640_DMIC_1L_LH_FALLING | RT5640_DMIC_1R_LH_RISING |
895                         RT5640_DMIC_1_DP_IN1P);
896                 break;
897 
898         default:
899                 return 0;
900         }
901 
902         return 0;
903 }
904 
905 static int rt5640_set_dmic2_event(struct snd_soc_dapm_widget *w,
906         struct snd_kcontrol *kcontrol, int event)
907 {
908         struct snd_soc_codec *codec = w->codec;
909 
910         switch (event) {
911         case SND_SOC_DAPM_PRE_PMU:
912                 snd_soc_update_bits(codec, RT5640_GPIO_CTRL1,
913                         RT5640_GP2_PIN_MASK | RT5640_GP4_PIN_MASK,
914                         RT5640_GP2_PIN_DMIC1_SCL | RT5640_GP4_PIN_DMIC2_SDA);
915                 snd_soc_update_bits(codec, RT5640_DMIC,
916                         RT5640_DMIC_2L_LH_MASK | RT5640_DMIC_2R_LH_MASK |
917                         RT5640_DMIC_2_DP_MASK,
918                         RT5640_DMIC_2L_LH_FALLING | RT5640_DMIC_2R_LH_RISING |
919                         RT5640_DMIC_2_DP_IN1N);
920                 break;
921 
922         default:
923                 return 0;
924         }
925 
926         return 0;
927 }
928 
929 void hp_amp_power_on(struct snd_soc_codec *codec)
930 {
931         struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
932 
933         /* depop parameters */
934         regmap_update_bits(rt5640->regmap, RT5640_PR_BASE +
935                 RT5640_CHPUMP_INT_REG1, 0x0700, 0x0200);
936         regmap_update_bits(rt5640->regmap, RT5640_DEPOP_M2,
937                 RT5640_DEPOP_MASK, RT5640_DEPOP_MAN);
938         regmap_update_bits(rt5640->regmap, RT5640_DEPOP_M1,
939                 RT5640_HP_CP_MASK | RT5640_HP_SG_MASK | RT5640_HP_CB_MASK,
940                 RT5640_HP_CP_PU | RT5640_HP_SG_DIS | RT5640_HP_CB_PU);
941         regmap_write(rt5640->regmap, RT5640_PR_BASE + RT5640_HP_DCC_INT1,
942                            0x9f00);
943         /* headphone amp power on */
944         regmap_update_bits(rt5640->regmap, RT5640_PWR_ANLG1,
945                 RT5640_PWR_FV1 | RT5640_PWR_FV2, 0);
946         regmap_update_bits(rt5640->regmap, RT5640_PWR_ANLG1,
947                 RT5640_PWR_HA,
948                 RT5640_PWR_HA);
949         usleep_range(10000, 15000);
950         regmap_update_bits(rt5640->regmap, RT5640_PWR_ANLG1,
951                 RT5640_PWR_FV1 | RT5640_PWR_FV2 ,
952                 RT5640_PWR_FV1 | RT5640_PWR_FV2);
953 }
954 
955 static void rt5640_pmu_depop(struct snd_soc_codec *codec)
956 {
957         struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
958 
959         regmap_update_bits(rt5640->regmap, RT5640_DEPOP_M2,
960                 RT5640_DEPOP_MASK | RT5640_DIG_DP_MASK,
961                 RT5640_DEPOP_AUTO | RT5640_DIG_DP_EN);
962         regmap_update_bits(rt5640->regmap, RT5640_CHARGE_PUMP,
963                 RT5640_PM_HP_MASK, RT5640_PM_HP_HV);
964 
965         regmap_update_bits(rt5640->regmap, RT5640_DEPOP_M3,
966                 RT5640_CP_FQ1_MASK | RT5640_CP_FQ2_MASK | RT5640_CP_FQ3_MASK,
967                 (RT5640_CP_FQ_192_KHZ << RT5640_CP_FQ1_SFT) |
968                 (RT5640_CP_FQ_12_KHZ << RT5640_CP_FQ2_SFT) |
969                 (RT5640_CP_FQ_192_KHZ << RT5640_CP_FQ3_SFT));
970 
971         regmap_write(rt5640->regmap, RT5640_PR_BASE +
972                 RT5640_MAMP_INT_REG2, 0x1c00);
973         regmap_update_bits(rt5640->regmap, RT5640_DEPOP_M1,
974                 RT5640_HP_CP_MASK | RT5640_HP_SG_MASK,
975                 RT5640_HP_CP_PD | RT5640_HP_SG_EN);
976         regmap_update_bits(rt5640->regmap, RT5640_PR_BASE +
977                 RT5640_CHPUMP_INT_REG1, 0x0700, 0x0400);
978 }
979 
980 static int rt5640_hp_event(struct snd_soc_dapm_widget *w,
981                            struct snd_kcontrol *kcontrol, int event)
982 {
983         struct snd_soc_codec *codec = w->codec;
984         struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
985 
986         switch (event) {
987         case SND_SOC_DAPM_POST_PMU:
988                 rt5640_pmu_depop(codec);
989                 rt5640->hp_mute = 0;
990                 break;
991 
992         case SND_SOC_DAPM_PRE_PMD:
993                 rt5640->hp_mute = 1;
994                 usleep_range(70000, 75000);
995                 break;
996 
997         default:
998                 return 0;
999         }
1000 
1001         return 0;
1002 }
1003 
1004 static int rt5640_hp_power_event(struct snd_soc_dapm_widget *w,
1005                            struct snd_kcontrol *kcontrol, int event)
1006 {
1007         struct snd_soc_codec *codec = w->codec;
1008 
1009         switch (event) {
1010         case SND_SOC_DAPM_POST_PMU:
1011                 hp_amp_power_on(codec);
1012                 break;
1013         default:
1014                 return 0;
1015         }
1016 
1017         return 0;
1018 }
1019 
1020 static int rt5640_hp_post_event(struct snd_soc_dapm_widget *w,
1021                            struct snd_kcontrol *kcontrol, int event)
1022 {
1023         struct snd_soc_codec *codec = w->codec;
1024         struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
1025 
1026         switch (event) {
1027         case SND_SOC_DAPM_POST_PMU:
1028                 if (!rt5640->hp_mute)
1029                         usleep_range(80000, 85000);
1030 
1031                 break;
1032 
1033         default:
1034                 return 0;
1035         }
1036 
1037         return 0;
1038 }
1039 
1040 static const struct snd_soc_dapm_widget rt5640_dapm_widgets[] = {
1041         SND_SOC_DAPM_SUPPLY("PLL1", RT5640_PWR_ANLG2,
1042                         RT5640_PWR_PLL_BIT, 0, NULL, 0),
1043         /* Input Side */
1044         /* micbias */
1045         SND_SOC_DAPM_SUPPLY("LDO2", RT5640_PWR_ANLG1,
1046                         RT5640_PWR_LDO2_BIT, 0, NULL, 0),
1047         SND_SOC_DAPM_SUPPLY("MICBIAS1", RT5640_PWR_ANLG2,
1048                         RT5640_PWR_MB1_BIT, 0, NULL, 0),
1049         /* Input Lines */
1050         SND_SOC_DAPM_INPUT("DMIC1"),
1051         SND_SOC_DAPM_INPUT("DMIC2"),
1052         SND_SOC_DAPM_INPUT("IN1P"),
1053         SND_SOC_DAPM_INPUT("IN1N"),
1054         SND_SOC_DAPM_INPUT("IN2P"),
1055         SND_SOC_DAPM_INPUT("IN2N"),
1056         SND_SOC_DAPM_PGA("DMIC L1", SND_SOC_NOPM, 0, 0, NULL, 0),
1057         SND_SOC_DAPM_PGA("DMIC R1", SND_SOC_NOPM, 0, 0, NULL, 0),
1058         SND_SOC_DAPM_PGA("DMIC L2", SND_SOC_NOPM, 0, 0, NULL, 0),
1059         SND_SOC_DAPM_PGA("DMIC R2", SND_SOC_NOPM, 0, 0, NULL, 0),
1060 
1061         SND_SOC_DAPM_SUPPLY("DMIC CLK", SND_SOC_NOPM, 0, 0,
1062                 set_dmic_clk, SND_SOC_DAPM_PRE_PMU),
1063         SND_SOC_DAPM_SUPPLY("DMIC1 Power", RT5640_DMIC,
1064                 RT5640_DMIC_1_EN_SFT, 0, rt5640_set_dmic1_event,
1065                 SND_SOC_DAPM_PRE_PMU),
1066         SND_SOC_DAPM_SUPPLY("DMIC2 Power", RT5640_DMIC,
1067                 RT5640_DMIC_2_EN_SFT, 0, rt5640_set_dmic2_event,
1068                 SND_SOC_DAPM_PRE_PMU),
1069         /* Boost */
1070         SND_SOC_DAPM_PGA("BST1", RT5640_PWR_ANLG2,
1071                 RT5640_PWR_BST1_BIT, 0, NULL, 0),
1072         SND_SOC_DAPM_PGA("BST2", RT5640_PWR_ANLG2,
1073                 RT5640_PWR_BST4_BIT, 0, NULL, 0),
1074         /* Input Volume */
1075         SND_SOC_DAPM_PGA("INL VOL", RT5640_PWR_VOL,
1076                 RT5640_PWR_IN_L_BIT, 0, NULL, 0),
1077         SND_SOC_DAPM_PGA("INR VOL", RT5640_PWR_VOL,
1078                 RT5640_PWR_IN_R_BIT, 0, NULL, 0),
1079         /* REC Mixer */
1080         SND_SOC_DAPM_MIXER("RECMIXL", RT5640_PWR_MIXER, RT5640_PWR_RM_L_BIT, 0,
1081                         rt5640_rec_l_mix, ARRAY_SIZE(rt5640_rec_l_mix)),
1082         SND_SOC_DAPM_MIXER("RECMIXR", RT5640_PWR_MIXER, RT5640_PWR_RM_R_BIT, 0,
1083                         rt5640_rec_r_mix, ARRAY_SIZE(rt5640_rec_r_mix)),
1084         /* ADCs */
1085         SND_SOC_DAPM_ADC("ADC L", NULL, RT5640_PWR_DIG1,
1086                         RT5640_PWR_ADC_L_BIT, 0),
1087         SND_SOC_DAPM_ADC("ADC R", NULL, RT5640_PWR_DIG1,
1088                         RT5640_PWR_ADC_R_BIT, 0),
1089         /* ADC Mux */
1090         SND_SOC_DAPM_MUX("Stereo ADC L2 Mux", SND_SOC_NOPM, 0, 0,
1091                                 &rt5640_sto_adc_2_mux),
1092         SND_SOC_DAPM_MUX("Stereo ADC R2 Mux", SND_SOC_NOPM, 0, 0,
1093                                 &rt5640_sto_adc_2_mux),
1094         SND_SOC_DAPM_MUX("Stereo ADC L1 Mux", SND_SOC_NOPM, 0, 0,
1095                                 &rt5640_sto_adc_1_mux),
1096         SND_SOC_DAPM_MUX("Stereo ADC R1 Mux", SND_SOC_NOPM, 0, 0,
1097                                 &rt5640_sto_adc_1_mux),
1098         SND_SOC_DAPM_MUX("Mono ADC L2 Mux", SND_SOC_NOPM, 0, 0,
1099                                 &rt5640_mono_adc_l2_mux),
1100         SND_SOC_DAPM_MUX("Mono ADC L1 Mux", SND_SOC_NOPM, 0, 0,
1101                                 &rt5640_mono_adc_l1_mux),
1102         SND_SOC_DAPM_MUX("Mono ADC R1 Mux", SND_SOC_NOPM, 0, 0,
1103                                 &rt5640_mono_adc_r1_mux),
1104         SND_SOC_DAPM_MUX("Mono ADC R2 Mux", SND_SOC_NOPM, 0, 0,
1105                                 &rt5640_mono_adc_r2_mux),
1106         /* ADC Mixer */
1107         SND_SOC_DAPM_SUPPLY("Stereo Filter", RT5640_PWR_DIG2,
1108                 RT5640_PWR_ADC_SF_BIT, 0, NULL, 0),
1109         SND_SOC_DAPM_MIXER("Stereo ADC MIXL", SND_SOC_NOPM, 0, 0,
1110                 rt5640_sto_adc_l_mix, ARRAY_SIZE(rt5640_sto_adc_l_mix)),
1111         SND_SOC_DAPM_MIXER("Stereo ADC MIXR", SND_SOC_NOPM, 0, 0,
1112                 rt5640_sto_adc_r_mix, ARRAY_SIZE(rt5640_sto_adc_r_mix)),
1113         SND_SOC_DAPM_SUPPLY("Mono Left Filter", RT5640_PWR_DIG2,
1114                 RT5640_PWR_ADC_MF_L_BIT, 0, NULL, 0),
1115         SND_SOC_DAPM_MIXER("Mono ADC MIXL", SND_SOC_NOPM, 0, 0,
1116                 rt5640_mono_adc_l_mix, ARRAY_SIZE(rt5640_mono_adc_l_mix)),
1117         SND_SOC_DAPM_SUPPLY("Mono Right Filter", RT5640_PWR_DIG2,
1118                 RT5640_PWR_ADC_MF_R_BIT, 0, NULL, 0),
1119         SND_SOC_DAPM_MIXER("Mono ADC MIXR", SND_SOC_NOPM, 0, 0,
1120                 rt5640_mono_adc_r_mix, ARRAY_SIZE(rt5640_mono_adc_r_mix)),
1121 
1122         /* Digital Interface */
1123         SND_SOC_DAPM_SUPPLY("I2S1", RT5640_PWR_DIG1,
1124                 RT5640_PWR_I2S1_BIT, 0, NULL, 0),
1125         SND_SOC_DAPM_PGA("IF1 DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
1126         SND_SOC_DAPM_PGA("IF1 DAC L", SND_SOC_NOPM, 0, 0, NULL, 0),
1127         SND_SOC_DAPM_PGA("IF1 DAC R", SND_SOC_NOPM, 0, 0, NULL, 0),
1128         SND_SOC_DAPM_PGA("IF1 ADC", SND_SOC_NOPM, 0, 0, NULL, 0),
1129         SND_SOC_DAPM_PGA("IF1 ADC L", SND_SOC_NOPM, 0, 0, NULL, 0),
1130         SND_SOC_DAPM_PGA("IF1 ADC R", SND_SOC_NOPM, 0, 0, NULL, 0),
1131         SND_SOC_DAPM_SUPPLY("I2S2", RT5640_PWR_DIG1,
1132                 RT5640_PWR_I2S2_BIT, 0, NULL, 0),
1133         SND_SOC_DAPM_PGA("IF2 DAC", SND_SOC_NOPM, 0, 0, NULL, 0),
1134         SND_SOC_DAPM_PGA("IF2 DAC L", SND_SOC_NOPM, 0, 0, NULL, 0),
1135         SND_SOC_DAPM_PGA("IF2 DAC R", SND_SOC_NOPM, 0, 0, NULL, 0),
1136         SND_SOC_DAPM_PGA("IF2 ADC", SND_SOC_NOPM, 0, 0, NULL, 0),
1137         SND_SOC_DAPM_PGA("IF2 ADC L", SND_SOC_NOPM, 0, 0, NULL, 0),
1138         SND_SOC_DAPM_PGA("IF2 ADC R", SND_SOC_NOPM, 0, 0, NULL, 0),
1139         /* Digital Interface Select */
1140         SND_SOC_DAPM_MUX("DAI1 RX Mux", SND_SOC_NOPM, 0, 0, &rt5640_dai_mux),
1141         SND_SOC_DAPM_MUX("DAI1 TX Mux", SND_SOC_NOPM, 0, 0, &rt5640_dai_mux),
1142         SND_SOC_DAPM_MUX("DAI1 IF1 Mux", SND_SOC_NOPM, 0, 0, &rt5640_dai_mux),
1143         SND_SOC_DAPM_MUX("DAI1 IF2 Mux", SND_SOC_NOPM, 0, 0, &rt5640_dai_mux),
1144         SND_SOC_DAPM_MUX("SDI1 TX Mux", SND_SOC_NOPM, 0, 0, &rt5640_sdi_mux),
1145         SND_SOC_DAPM_MUX("DAI2 RX Mux", SND_SOC_NOPM, 0, 0, &rt5640_dai_mux),
1146         SND_SOC_DAPM_MUX("DAI2 TX Mux", SND_SOC_NOPM, 0, 0, &rt5640_dai_mux),
1147         SND_SOC_DAPM_MUX("DAI2 IF1 Mux", SND_SOC_NOPM, 0, 0, &rt5640_dai_mux),
1148         SND_SOC_DAPM_MUX("DAI2 IF2 Mux", SND_SOC_NOPM, 0, 0, &rt5640_dai_mux),
1149         SND_SOC_DAPM_MUX("SDI2 TX Mux", SND_SOC_NOPM, 0, 0, &rt5640_sdi_mux),
1150         /* Audio Interface */
1151         SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
1152         SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
1153         SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
1154         SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
1155         /* Audio DSP */
1156         SND_SOC_DAPM_PGA("Audio DSP", SND_SOC_NOPM, 0, 0, NULL, 0),
1157         /* ANC */
1158         SND_SOC_DAPM_PGA("ANC", SND_SOC_NOPM, 0, 0, NULL, 0),
1159         /* Output Side */
1160         /* DAC mixer before sound effect  */
1161         SND_SOC_DAPM_MIXER("DAC MIXL", SND_SOC_NOPM, 0, 0,
1162                 rt5640_dac_l_mix, ARRAY_SIZE(rt5640_dac_l_mix)),
1163         SND_SOC_DAPM_MIXER("DAC MIXR", SND_SOC_NOPM, 0, 0,
1164                 rt5640_dac_r_mix, ARRAY_SIZE(rt5640_dac_r_mix)),
1165         /* DAC2 channel Mux */
1166         SND_SOC_DAPM_MUX("DAC L2 Mux", SND_SOC_NOPM, 0, 0,
1167                                 &rt5640_dac_l2_mux),
1168         SND_SOC_DAPM_MUX("DAC R2 Mux", SND_SOC_NOPM, 0, 0,
1169                                 &rt5640_dac_r2_mux),
1170         /* DAC Mixer */
1171         SND_SOC_DAPM_MIXER("Stereo DAC MIXL", SND_SOC_NOPM, 0, 0,
1172                 rt5640_sto_dac_l_mix, ARRAY_SIZE(rt5640_sto_dac_l_mix)),
1173         SND_SOC_DAPM_MIXER("Stereo DAC MIXR", SND_SOC_NOPM, 0, 0,
1174                 rt5640_sto_dac_r_mix, ARRAY_SIZE(rt5640_sto_dac_r_mix)),
1175         SND_SOC_DAPM_MIXER("Mono DAC MIXL", SND_SOC_NOPM, 0, 0,
1176                 rt5640_mono_dac_l_mix, ARRAY_SIZE(rt5640_mono_dac_l_mix)),
1177         SND_SOC_DAPM_MIXER("Mono DAC MIXR", SND_SOC_NOPM, 0, 0,
1178                 rt5640_mono_dac_r_mix, ARRAY_SIZE(rt5640_mono_dac_r_mix)),
1179         SND_SOC_DAPM_MIXER("DIG MIXL", SND_SOC_NOPM, 0, 0,
1180                 rt5640_dig_l_mix, ARRAY_SIZE(rt5640_dig_l_mix)),
1181         SND_SOC_DAPM_MIXER("DIG MIXR", SND_SOC_NOPM, 0, 0,
1182                 rt5640_dig_r_mix, ARRAY_SIZE(rt5640_dig_r_mix)),
1183         /* DACs */
1184         SND_SOC_DAPM_DAC("DAC L1", NULL, RT5640_PWR_DIG1,
1185                         RT5640_PWR_DAC_L1_BIT, 0),
1186         SND_SOC_DAPM_DAC("DAC L2", NULL, RT5640_PWR_DIG1,
1187                         RT5640_PWR_DAC_L2_BIT, 0),
1188         SND_SOC_DAPM_DAC("DAC R1", NULL, RT5640_PWR_DIG1,
1189                         RT5640_PWR_DAC_R1_BIT, 0),
1190         SND_SOC_DAPM_DAC("DAC R2", NULL, RT5640_PWR_DIG1,
1191                         RT5640_PWR_DAC_R2_BIT, 0),
1192         /* SPK/OUT Mixer */
1193         SND_SOC_DAPM_MIXER("SPK MIXL", RT5640_PWR_MIXER, RT5640_PWR_SM_L_BIT,
1194                 0, rt5640_spk_l_mix, ARRAY_SIZE(rt5640_spk_l_mix)),
1195         SND_SOC_DAPM_MIXER("SPK MIXR", RT5640_PWR_MIXER, RT5640_PWR_SM_R_BIT,
1196                 0, rt5640_spk_r_mix, ARRAY_SIZE(rt5640_spk_r_mix)),
1197         SND_SOC_DAPM_MIXER("OUT MIXL", RT5640_PWR_MIXER, RT5640_PWR_OM_L_BIT,
1198                 0, rt5640_out_l_mix, ARRAY_SIZE(rt5640_out_l_mix)),
1199         SND_SOC_DAPM_MIXER("OUT MIXR", RT5640_PWR_MIXER, RT5640_PWR_OM_R_BIT,
1200                 0, rt5640_out_r_mix, ARRAY_SIZE(rt5640_out_r_mix)),
1201         /* Ouput Volume */
1202         SND_SOC_DAPM_PGA("SPKVOL L", RT5640_PWR_VOL,
1203                 RT5640_PWR_SV_L_BIT, 0, NULL, 0),
1204         SND_SOC_DAPM_PGA("SPKVOL R", RT5640_PWR_VOL,
1205                 RT5640_PWR_SV_R_BIT, 0, NULL, 0),
1206         SND_SOC_DAPM_PGA("OUTVOL L", RT5640_PWR_VOL,
1207                 RT5640_PWR_OV_L_BIT, 0, NULL, 0),
1208         SND_SOC_DAPM_PGA("OUTVOL R", RT5640_PWR_VOL,
1209                 RT5640_PWR_OV_R_BIT, 0, NULL, 0),
1210         SND_SOC_DAPM_PGA("HPOVOL L", RT5640_PWR_VOL,
1211                 RT5640_PWR_HV_L_BIT, 0, NULL, 0),
1212         SND_SOC_DAPM_PGA("HPOVOL R", RT5640_PWR_VOL,
1213                 RT5640_PWR_HV_R_BIT, 0, NULL, 0),
1214         /* SPO/HPO/LOUT/Mono Mixer */
1215         SND_SOC_DAPM_MIXER("SPOL MIX", SND_SOC_NOPM, 0,
1216                 0, rt5640_spo_l_mix, ARRAY_SIZE(rt5640_spo_l_mix)),
1217         SND_SOC_DAPM_MIXER("SPOR MIX", SND_SOC_NOPM, 0,
1218                 0, rt5640_spo_r_mix, ARRAY_SIZE(rt5640_spo_r_mix)),
1219         SND_SOC_DAPM_MIXER("HPO MIX L", SND_SOC_NOPM, 0, 0,
1220                 rt5640_hpo_mix, ARRAY_SIZE(rt5640_hpo_mix)),
1221         SND_SOC_DAPM_MIXER("HPO MIX R", SND_SOC_NOPM, 0, 0,
1222                 rt5640_hpo_mix, ARRAY_SIZE(rt5640_hpo_mix)),
1223         SND_SOC_DAPM_MIXER("LOUT MIX", RT5640_PWR_ANLG1, RT5640_PWR_LM_BIT, 0,
1224                 rt5640_lout_mix, ARRAY_SIZE(rt5640_lout_mix)),
1225         SND_SOC_DAPM_MIXER("Mono MIX", RT5640_PWR_ANLG1, RT5640_PWR_MM_BIT, 0,
1226                 rt5640_mono_mix, ARRAY_SIZE(rt5640_mono_mix)),
1227         SND_SOC_DAPM_SUPPLY("Improve MONO Amp Drv", RT5640_PWR_ANLG1,
1228                 RT5640_PWR_MA_BIT, 0, NULL, 0),
1229         SND_SOC_DAPM_SUPPLY_S("Improve HP Amp Drv", 1, SND_SOC_NOPM,
1230                 0, 0, rt5640_hp_power_event, SND_SOC_DAPM_POST_PMU),
1231         SND_SOC_DAPM_PGA_S("HP Amp", 1, SND_SOC_NOPM, 0, 0,
1232                 rt5640_hp_event,
1233                 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
1234         SND_SOC_DAPM_SUPPLY("HP L Amp", RT5640_PWR_ANLG1,
1235                 RT5640_PWR_HP_L_BIT, 0, NULL, 0),
1236         SND_SOC_DAPM_SUPPLY("HP R Amp", RT5640_PWR_ANLG1,
1237                 RT5640_PWR_HP_R_BIT, 0, NULL, 0),
1238         SND_SOC_DAPM_SUPPLY("Improve SPK Amp Drv", RT5640_PWR_DIG1,
1239                 RT5640_PWR_CLS_D_BIT, 0, NULL, 0),
1240 
1241         /* Output Switch */
1242         SND_SOC_DAPM_SWITCH("Speaker L Playback", SND_SOC_NOPM, 0, 0,
1243                         &spk_l_enable_control),
1244         SND_SOC_DAPM_SWITCH("Speaker R Playback", SND_SOC_NOPM, 0, 0,
1245                         &spk_r_enable_control),
1246         SND_SOC_DAPM_SWITCH("HP L Playback", SND_SOC_NOPM, 0, 0,
1247                         &hp_l_enable_control),
1248         SND_SOC_DAPM_SWITCH("HP R Playback", SND_SOC_NOPM, 0, 0,
1249                         &hp_r_enable_control),
1250         SND_SOC_DAPM_POST("HP Post", rt5640_hp_post_event),
1251         /* Output Lines */
1252         SND_SOC_DAPM_OUTPUT("SPOLP"),
1253         SND_SOC_DAPM_OUTPUT("SPOLN"),
1254         SND_SOC_DAPM_OUTPUT("SPORP"),
1255         SND_SOC_DAPM_OUTPUT("SPORN"),
1256         SND_SOC_DAPM_OUTPUT("HPOL"),
1257         SND_SOC_DAPM_OUTPUT("HPOR"),
1258         SND_SOC_DAPM_OUTPUT("LOUTL"),
1259         SND_SOC_DAPM_OUTPUT("LOUTR"),
1260         SND_SOC_DAPM_OUTPUT("MONOP"),
1261         SND_SOC_DAPM_OUTPUT("MONON"),
1262 };
1263 
1264 static const struct snd_soc_dapm_route rt5640_dapm_routes[] = {
1265         {"IN1P", NULL, "LDO2"},
1266         {"IN2P", NULL, "LDO2"},
1267 
1268         {"DMIC L1", NULL, "DMIC1"},
1269         {"DMIC R1", NULL, "DMIC1"},
1270         {"DMIC L2", NULL, "DMIC2"},
1271         {"DMIC R2", NULL, "DMIC2"},
1272 
1273         {"BST1", NULL, "IN1P"},
1274         {"BST1", NULL, "IN1N"},
1275         {"BST2", NULL, "IN2P"},
1276         {"BST2", NULL, "IN2N"},
1277 
1278         {"INL VOL", NULL, "IN2P"},
1279         {"INR VOL", NULL, "IN2N"},
1280 
1281         {"RECMIXL", "HPOL Switch", "HPOL"},
1282         {"RECMIXL", "INL Switch", "INL VOL"},
1283         {"RECMIXL", "BST2 Switch", "BST2"},
1284         {"RECMIXL", "BST1 Switch", "BST1"},
1285         {"RECMIXL", "OUT MIXL Switch", "OUT MIXL"},
1286 
1287         {"RECMIXR", "HPOR Switch", "HPOR"},
1288         {"RECMIXR", "INR Switch", "INR VOL"},
1289         {"RECMIXR", "BST2 Switch", "BST2"},
1290         {"RECMIXR", "BST1 Switch", "BST1"},
1291         {"RECMIXR", "OUT MIXR Switch", "OUT MIXR"},
1292 
1293         {"ADC L", NULL, "RECMIXL"},
1294         {"ADC R", NULL, "RECMIXR"},
1295 
1296         {"DMIC L1", NULL, "DMIC CLK"},
1297         {"DMIC L1", NULL, "DMIC1 Power"},
1298         {"DMIC R1", NULL, "DMIC CLK"},
1299         {"DMIC R1", NULL, "DMIC1 Power"},
1300         {"DMIC L2", NULL, "DMIC CLK"},
1301         {"DMIC L2", NULL, "DMIC2 Power"},
1302         {"DMIC R2", NULL, "DMIC CLK"},
1303         {"DMIC R2", NULL, "DMIC2 Power"},
1304 
1305         {"Stereo ADC L2 Mux", "DMIC1", "DMIC L1"},
1306         {"Stereo ADC L2 Mux", "DMIC2", "DMIC L2"},
1307         {"Stereo ADC L2 Mux", "DIG MIX", "DIG MIXL"},
1308         {"Stereo ADC L1 Mux", "ADC", "ADC L"},
1309         {"Stereo ADC L1 Mux", "DIG MIX", "DIG MIXL"},
1310 
1311         {"Stereo ADC R1 Mux", "ADC", "ADC R"},
1312         {"Stereo ADC R1 Mux", "DIG MIX", "DIG MIXR"},
1313         {"Stereo ADC R2 Mux", "DMIC1", "DMIC R1"},
1314         {"Stereo ADC R2 Mux", "DMIC2", "DMIC R2"},
1315         {"Stereo ADC R2 Mux", "DIG MIX", "DIG MIXR"},
1316 
1317         {"Mono ADC L2 Mux", "DMIC L1", "DMIC L1"},
1318         {"Mono ADC L2 Mux", "DMIC L2", "DMIC L2"},
1319         {"Mono ADC L2 Mux", "Mono DAC MIXL", "Mono DAC MIXL"},
1320         {"Mono ADC L1 Mux", "Mono DAC MIXL", "Mono DAC MIXL"},
1321         {"Mono ADC L1 Mux", "ADCL", "ADC L"},
1322 
1323         {"Mono ADC R1 Mux", "Mono DAC MIXR", "Mono DAC MIXR"},
1324         {"Mono ADC R1 Mux", "ADCR", "ADC R"},
1325         {"Mono ADC R2 Mux", "DMIC R1", "DMIC R1"},
1326         {"Mono ADC R2 Mux", "DMIC R2", "DMIC R2"},
1327         {"Mono ADC R2 Mux", "Mono DAC MIXR", "Mono DAC MIXR"},
1328 
1329         {"Stereo ADC MIXL", "ADC1 Switch", "Stereo ADC L1 Mux"},
1330         {"Stereo ADC MIXL", "ADC2 Switch", "Stereo ADC L2 Mux"},
1331         {"Stereo ADC MIXL", NULL, "Stereo Filter"},
1332         {"Stereo Filter", NULL, "PLL1", check_sysclk1_source},
1333 
1334         {"Stereo ADC MIXR", "ADC1 Switch", "Stereo ADC R1 Mux"},
1335         {"Stereo ADC MIXR", "ADC2 Switch", "Stereo ADC R2 Mux"},
1336         {"Stereo ADC MIXR", NULL, "Stereo Filter"},
1337         {"Stereo Filter", NULL, "PLL1", check_sysclk1_source},
1338 
1339         {"Mono ADC MIXL", "ADC1 Switch", "Mono ADC L1 Mux"},
1340         {"Mono ADC MIXL", "ADC2 Switch", "Mono ADC L2 Mux"},
1341         {"Mono ADC MIXL", NULL, "Mono Left Filter"},
1342         {"Mono Left Filter", NULL, "PLL1", check_sysclk1_source},
1343 
1344         {"Mono ADC MIXR", "ADC1 Switch", "Mono ADC R1 Mux"},
1345         {"Mono ADC MIXR", "ADC2 Switch", "Mono ADC R2 Mux"},
1346         {"Mono ADC MIXR", NULL, "Mono Right Filter"},
1347         {"Mono Right Filter", NULL, "PLL1", check_sysclk1_source},
1348 
1349         {"IF2 ADC L", NULL, "Mono ADC MIXL"},
1350         {"IF2 ADC R", NULL, "Mono ADC MIXR"},
1351         {"IF1 ADC L", NULL, "Stereo ADC MIXL"},
1352         {"IF1 ADC R", NULL, "Stereo ADC MIXR"},
1353 
1354         {"IF1 ADC", NULL, "I2S1"},
1355         {"IF1 ADC", NULL, "IF1 ADC L"},
1356         {"IF1 ADC", NULL, "IF1 ADC R"},
1357         {"IF2 ADC", NULL, "I2S2"},
1358         {"IF2 ADC", NULL, "IF2 ADC L"},
1359         {"IF2 ADC", NULL, "IF2 ADC R"},
1360 
1361         {"DAI1 TX Mux", "1:1|2:2", "IF1 ADC"},
1362         {"DAI1 TX Mux", "1:2|2:1", "IF2 ADC"},
1363         {"DAI1 IF1 Mux", "1:1|2:1", "IF1 ADC"},
1364         {"DAI1 IF2 Mux", "1:1|2:1", "IF2 ADC"},
1365         {"SDI1 TX Mux", "IF1", "DAI1 IF1 Mux"},
1366         {"SDI1 TX Mux", "IF2", "DAI1 IF2 Mux"},
1367 
1368         {"DAI2 TX Mux", "1:2|2:1", "IF1 ADC"},
1369         {"DAI2 TX Mux", "1:1|2:2", "IF2 ADC"},
1370         {"DAI2 IF1 Mux", "1:2|2:2", "IF1 ADC"},
1371         {"DAI2 IF2 Mux", "1:2|2:2", "IF2 ADC"},
1372         {"SDI2 TX Mux", "IF1", "DAI2 IF1 Mux"},
1373         {"SDI2 TX Mux", "IF2", "DAI2 IF2 Mux"},
1374 
1375         {"AIF1TX", NULL, "DAI1 TX Mux"},
1376         {"AIF1TX", NULL, "SDI1 TX Mux"},
1377         {"AIF2TX", NULL, "DAI2 TX Mux"},
1378         {"AIF2TX", NULL, "SDI2 TX Mux"},
1379 
1380         {"DAI1 RX Mux", "1:1|2:2", "AIF1RX"},
1381         {"DAI1 RX Mux", "1:1|2:1", "AIF1RX"},
1382         {"DAI1 RX Mux", "1:2|2:1", "AIF2RX"},
1383         {"DAI1 RX Mux", "1:2|2:2", "AIF2RX"},
1384 
1385         {"DAI2 RX Mux", "1:2|2:1", "AIF1RX"},
1386         {"DAI2 RX Mux", "1:1|2:1", "AIF1RX"},
1387         {"DAI2 RX Mux", "1:1|2:2", "AIF2RX"},
1388         {"DAI2 RX Mux", "1:2|2:2", "AIF2RX"},
1389 
1390         {"IF1 DAC", NULL, "I2S1"},
1391         {"IF1 DAC", NULL, "DAI1 RX Mux"},
1392         {"IF2 DAC", NULL, "I2S2"},
1393         {"IF2 DAC", NULL, "DAI2 RX Mux"},
1394 
1395         {"IF1 DAC L", NULL, "IF1 DAC"},
1396         {"IF1 DAC R", NULL, "IF1 DAC"},
1397         {"IF2 DAC L", NULL, "IF2 DAC"},
1398         {"IF2 DAC R", NULL, "IF2 DAC"},
1399 
1400         {"DAC MIXL", "Stereo ADC Switch", "Stereo ADC MIXL"},
1401         {"DAC MIXL", "INF1 Switch", "IF1 DAC L"},
1402         {"DAC MIXR", "Stereo ADC Switch", "Stereo ADC MIXR"},
1403         {"DAC MIXR", "INF1 Switch", "IF1 DAC R"},
1404 
1405         {"ANC", NULL, "Stereo ADC MIXL"},
1406         {"ANC", NULL, "Stereo ADC MIXR"},
1407 
1408         {"Audio DSP", NULL, "DAC MIXL"},
1409         {"Audio DSP", NULL, "DAC MIXR"},
1410 
1411         {"DAC L2 Mux", "IF2", "IF2 DAC L"},
1412         {"DAC L2 Mux", "Base L/R", "Audio DSP"},
1413 
1414         {"DAC R2 Mux", "IF2", "IF2 DAC R"},
1415 
1416         {"Stereo DAC MIXL", "DAC L1 Switch", "DAC MIXL"},
1417         {"Stereo DAC MIXL", "DAC L2 Switch", "DAC L2 Mux"},
1418         {"Stereo DAC MIXL", "ANC Switch", "ANC"},
1419         {"Stereo DAC MIXR", "DAC R1 Switch", "DAC MIXR"},
1420         {"Stereo DAC MIXR", "DAC R2 Switch", "DAC R2 Mux"},
1421         {"Stereo DAC MIXR", "ANC Switch", "ANC"},
1422 
1423         {"Mono DAC MIXL", "DAC L1 Switch", "DAC MIXL"},
1424         {"Mono DAC MIXL", "DAC L2 Switch", "DAC L2 Mux"},
1425         {"Mono DAC MIXL", "DAC R2 Switch", "DAC R2 Mux"},
1426         {"Mono DAC MIXR", "DAC R1 Switch", "DAC MIXR"},
1427         {"Mono DAC MIXR", "DAC R2 Switch", "DAC R2 Mux"},
1428         {"Mono DAC MIXR", "DAC L2 Switch", "DAC L2 Mux"},
1429 
1430         {"DIG MIXL", "DAC L1 Switch", "DAC MIXL"},
1431         {"DIG MIXL", "DAC L2 Switch", "DAC L2 Mux"},
1432         {"DIG MIXR", "DAC R1 Switch", "DAC MIXR"},
1433         {"DIG MIXR", "DAC R2 Switch", "DAC R2 Mux"},
1434 
1435         {"DAC L1", NULL, "Stereo DAC MIXL"},
1436         {"DAC L1", NULL, "PLL1", check_sysclk1_source},
1437         {"DAC R1", NULL, "Stereo DAC MIXR"},
1438         {"DAC R1", NULL, "PLL1", check_sysclk1_source},
1439         {"DAC L2", NULL, "Mono DAC MIXL"},
1440         {"DAC L2", NULL, "PLL1", check_sysclk1_source},
1441         {"DAC R2", NULL, "Mono DAC MIXR"},
1442         {"DAC R2", NULL, "PLL1", check_sysclk1_source},
1443 
1444         {"SPK MIXL", "REC MIXL Switch", "RECMIXL"},
1445         {"SPK MIXL", "INL Switch", "INL VOL"},
1446         {"SPK MIXL", "DAC L1 Switch", "DAC L1"},
1447         {"SPK MIXL", "DAC L2 Switch", "DAC L2"},
1448         {"SPK MIXL", "OUT MIXL Switch", "OUT MIXL"},
1449         {"SPK MIXR", "REC MIXR Switch", "RECMIXR"},
1450         {"SPK MIXR", "INR Switch", "INR VOL"},
1451         {"SPK MIXR", "DAC R1 Switch", "DAC R1"},
1452         {"SPK MIXR", "DAC R2 Switch", "DAC R2"},
1453         {"SPK MIXR", "OUT MIXR Switch", "OUT MIXR"},
1454 
1455         {"OUT MIXL", "SPK MIXL Switch", "SPK MIXL"},
1456         {"OUT MIXL", "BST1 Switch", "BST1"},
1457         {"OUT MIXL", "INL Switch", "INL VOL"},
1458         {"OUT MIXL", "REC MIXL Switch", "RECMIXL"},
1459         {"OUT MIXL", "DAC R2 Switch", "DAC R2"},
1460         {"OUT MIXL", "DAC L2 Switch", "DAC L2"},
1461         {"OUT MIXL", "DAC L1 Switch", "DAC L1"},
1462 
1463         {"OUT MIXR", "SPK MIXR Switch", "SPK MIXR"},
1464         {"OUT MIXR", "BST2 Switch", "BST2"},
1465         {"OUT MIXR", "BST1 Switch", "BST1"},
1466         {"OUT MIXR", "INR Switch", "INR VOL"},
1467         {"OUT MIXR", "REC MIXR Switch", "RECMIXR"},
1468         {"OUT MIXR", "DAC L2 Switch", "DAC L2"},
1469         {"OUT MIXR", "DAC R2 Switch", "DAC R2"},
1470         {"OUT MIXR", "DAC R1 Switch", "DAC R1"},
1471 
1472         {"SPKVOL L", NULL, "SPK MIXL"},
1473         {"SPKVOL R", NULL, "SPK MIXR"},
1474         {"HPOVOL L", NULL, "OUT MIXL"},
1475         {"HPOVOL R", NULL, "OUT MIXR"},
1476         {"OUTVOL L", NULL, "OUT MIXL"},
1477         {"OUTVOL R", NULL, "OUT MIXR"},
1478 
1479         {"SPOL MIX", "DAC R1 Switch", "DAC R1"},
1480         {"SPOL MIX", "DAC L1 Switch", "DAC L1"},
1481         {"SPOL MIX", "SPKVOL R Switch", "SPKVOL R"},
1482         {"SPOL MIX", "SPKVOL L Switch", "SPKVOL L"},
1483         {"SPOL MIX", "BST1 Switch", "BST1"},
1484         {"SPOR MIX", "DAC R1 Switch", "DAC R1"},
1485         {"SPOR MIX", "SPKVOL R Switch", "SPKVOL R"},
1486         {"SPOR MIX", "BST1 Switch", "BST1"},
1487 
1488         {"HPO MIX L", "HPO MIX DAC2 Switch", "DAC L2"},
1489         {"HPO MIX L", "HPO MIX DAC1 Switch", "DAC L1"},
1490         {"HPO MIX L", "HPO MIX HPVOL Switch", "HPOVOL L"},
1491         {"HPO MIX L", NULL, "HP L Amp"},
1492         {"HPO MIX R", "HPO MIX DAC2 Switch", "DAC R2"},
1493         {"HPO MIX R", "HPO MIX DAC1 Switch", "DAC R1"},
1494         {"HPO MIX R", "HPO MIX HPVOL Switch", "HPOVOL R"},
1495         {"HPO MIX R", NULL, "HP R Amp"},
1496 
1497         {"LOUT MIX", "DAC L1 Switch", "DAC L1"},
1498         {"LOUT MIX", "DAC R1 Switch", "DAC R1"},
1499         {"LOUT MIX", "OUTVOL L Switch", "OUTVOL L"},
1500         {"LOUT MIX", "OUTVOL R Switch", "OUTVOL R"},
1501 
1502         {"Mono MIX", "DAC R2 Switch", "DAC R2"},
1503         {"Mono MIX", "DAC L2 Switch", "DAC L2"},
1504         {"Mono MIX", "OUTVOL R Switch", "OUTVOL R"},
1505         {"Mono MIX", "OUTVOL L Switch", "OUTVOL L"},
1506         {"Mono MIX", "BST1 Switch", "BST1"},
1507 
1508         {"HP Amp", NULL, "HPO MIX L"},
1509         {"HP Amp", NULL, "HPO MIX R"},
1510 
1511         {"Speaker L Playback", "Switch", "SPOL MIX"},
1512         {"Speaker R Playback", "Switch", "SPOR MIX"},
1513         {"SPOLP", NULL, "Speaker L Playback"},
1514         {"SPOLN", NULL, "Speaker L Playback"},
1515         {"SPORP", NULL, "Speaker R Playback"},
1516         {"SPORN", NULL, "Speaker R Playback"},
1517 
1518         {"SPOLP", NULL, "Improve SPK Amp Drv"},
1519         {"SPOLN", NULL, "Improve SPK Amp Drv"},
1520         {"SPORP", NULL, "Improve SPK Amp Drv"},
1521         {"SPORN", NULL, "Improve SPK Amp Drv"},
1522 
1523         {"HPOL", NULL, "Improve HP Amp Drv"},
1524         {"HPOR", NULL, "Improve HP Amp Drv"},
1525 
1526         {"HP L Playback", "Switch", "HP Amp"},
1527         {"HP R Playback", "Switch", "HP Amp"},
1528         {"HPOL", NULL, "HP L Playback"},
1529         {"HPOR", NULL, "HP R Playback"},
1530         {"LOUTL", NULL, "LOUT MIX"},
1531         {"LOUTR", NULL, "LOUT MIX"},
1532         {"MONOP", NULL, "Mono MIX"},
1533         {"MONON", NULL, "Mono MIX"},
1534         {"MONOP", NULL, "Improve MONO Amp Drv"},
1535 };
1536 
1537 static int get_sdp_info(struct snd_soc_codec *codec, int dai_id)
1538 {
1539         int ret = 0, val;
1540 
1541         if (codec == NULL)
1542                 return -EINVAL;
1543 
1544         val = snd_soc_read(codec, RT5640_I2S1_SDP);
1545         val = (val & RT5640_I2S_IF_MASK) >> RT5640_I2S_IF_SFT;
1546         switch (dai_id) {
1547         case RT5640_AIF1:
1548                 switch (val) {
1549                 case RT5640_IF_123:
1550                 case RT5640_IF_132:
1551                         ret |= RT5640_U_IF1;
1552                         break;
1553                 case RT5640_IF_113:
1554                         ret |= RT5640_U_IF1;
1555                 case RT5640_IF_312:
1556                 case RT5640_IF_213:
1557                         ret |= RT5640_U_IF2;
1558                         break;
1559                 }
1560                 break;
1561 
1562         case RT5640_AIF2:
1563                 switch (val) {
1564                 case RT5640_IF_231:
1565                 case RT5640_IF_213:
1566                         ret |= RT5640_U_IF1;
1567                         break;
1568                 case RT5640_IF_223:
1569                         ret |= RT5640_U_IF1;
1570                 case RT5640_IF_123:
1571                 case RT5640_IF_321:
1572                         ret |= RT5640_U_IF2;
1573                         break;
1574                 }
1575                 break;
1576 
1577         default:
1578                 ret = -EINVAL;
1579                 break;
1580         }
1581 
1582         return ret;
1583 }
1584 
1585 static int get_clk_info(int sclk, int rate)
1586 {
1587         int i, pd[] = {1, 2, 3, 4, 6, 8, 12, 16};
1588 
1589         if (sclk <= 0 || rate <= 0)
1590                 return -EINVAL;
1591 
1592         rate = rate << 8;
1593         for (i = 0; i < ARRAY_SIZE(pd); i++)
1594                 if (sclk == rate * pd[i])
1595                         return i;
1596 
1597         return -EINVAL;
1598 }
1599 
1600 static int rt5640_hw_params(struct snd_pcm_substream *substream,
1601         struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
1602 {
1603         struct snd_soc_pcm_runtime *rtd = substream->private_data;
1604         struct snd_soc_codec *codec = rtd->codec;
1605         struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
1606         unsigned int val_len = 0, val_clk, mask_clk, dai_sel;
1607         int pre_div, bclk_ms, frame_size;
1608 
1609         rt5640->lrck[dai->id] = params_rate(params);
1610         pre_div = get_clk_info(rt5640->sysclk, rt5640->lrck[dai->id]);
1611         if (pre_div < 0) {
1612                 dev_err(codec->dev, "Unsupported clock setting\n");
1613                 return -EINVAL;
1614         }
1615         frame_size = snd_soc_params_to_frame_size(params);
1616         if (frame_size < 0) {
1617                 dev_err(codec->dev, "Unsupported frame size: %d\n", frame_size);
1618                 return frame_size;
1619         }
1620         if (frame_size > 32)
1621                 bclk_ms = 1;
1622         else
1623                 bclk_ms = 0;
1624         rt5640->bclk[dai->id] = rt5640->lrck[dai->id] * (32 << bclk_ms);
1625 
1626         dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n",
1627                 rt5640->bclk[dai->id], rt5640->lrck[dai->id]);
1628         dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
1629                                 bclk_ms, pre_div, dai->id);
1630 
1631         switch (params_format(params)) {
1632         case SNDRV_PCM_FORMAT_S16_LE:
1633                 break;
1634         case SNDRV_PCM_FORMAT_S20_3LE:
1635                 val_len |= RT5640_I2S_DL_20;
1636                 break;
1637         case SNDRV_PCM_FORMAT_S24_LE:
1638                 val_len |= RT5640_I2S_DL_24;
1639                 break;
1640         case SNDRV_PCM_FORMAT_S8:
1641                 val_len |= RT5640_I2S_DL_8;
1642                 break;
1643         default:
1644                 return -EINVAL;
1645         }
1646 
1647         dai_sel = get_sdp_info(codec, dai->id);
1648         if (dai_sel < 0) {
1649                 dev_err(codec->dev, "Failed to get sdp info: %d\n", dai_sel);
1650                 return -EINVAL;
1651         }
1652         if (dai_sel & RT5640_U_IF1) {
1653                 mask_clk = RT5640_I2S_BCLK_MS1_MASK | RT5640_I2S_PD1_MASK;
1654                 val_clk = bclk_ms << RT5640_I2S_BCLK_MS1_SFT |
1655                         pre_div << RT5640_I2S_PD1_SFT;
1656                 snd_soc_update_bits(codec, RT5640_I2S1_SDP,
1657                         RT5640_I2S_DL_MASK, val_len);
1658                 snd_soc_update_bits(codec, RT5640_ADDA_CLK1, mask_clk, val_clk);
1659         }
1660         if (dai_sel & RT5640_U_IF2) {
1661                 mask_clk = RT5640_I2S_BCLK_MS2_MASK | RT5640_I2S_PD2_MASK;
1662                 val_clk = bclk_ms << RT5640_I2S_BCLK_MS2_SFT |
1663                         pre_div << RT5640_I2S_PD2_SFT;
1664                 snd_soc_update_bits(codec, RT5640_I2S2_SDP,
1665                         RT5640_I2S_DL_MASK, val_len);
1666                 snd_soc_update_bits(codec, RT5640_ADDA_CLK1, mask_clk, val_clk);
1667         }
1668 
1669         return 0;
1670 }
1671 
1672 static int rt5640_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1673 {
1674         struct snd_soc_codec *codec = dai->codec;
1675         struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
1676         unsigned int reg_val = 0, dai_sel;
1677 
1678         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1679         case SND_SOC_DAIFMT_CBM_CFM:
1680                 rt5640->master[dai->id] = 1;
1681                 break;
1682         case SND_SOC_DAIFMT_CBS_CFS:
1683                 reg_val |= RT5640_I2S_MS_S;
1684                 rt5640->master[dai->id] = 0;
1685                 break;
1686         default:
1687                 return -EINVAL;
1688         }
1689 
1690         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1691         case SND_SOC_DAIFMT_NB_NF:
1692                 break;
1693         case SND_SOC_DAIFMT_IB_NF:
1694                 reg_val |= RT5640_I2S_BP_INV;
1695                 break;
1696         default:
1697                 return -EINVAL;
1698         }
1699 
1700         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1701         case SND_SOC_DAIFMT_I2S:
1702                 break;
1703         case SND_SOC_DAIFMT_LEFT_J:
1704                 reg_val |= RT5640_I2S_DF_LEFT;
1705                 break;
1706         case SND_SOC_DAIFMT_DSP_A:
1707                 reg_val |= RT5640_I2S_DF_PCM_A;
1708                 break;
1709         case SND_SOC_DAIFMT_DSP_B:
1710                 reg_val  |= RT5640_I2S_DF_PCM_B;
1711                 break;
1712         default:
1713                 return -EINVAL;
1714         }
1715 
1716         dai_sel = get_sdp_info(codec, dai->id);
1717         if (dai_sel < 0) {
1718                 dev_err(codec->dev, "Failed to get sdp info: %d\n", dai_sel);
1719                 return -EINVAL;
1720         }
1721         if (dai_sel & RT5640_U_IF1) {
1722                 snd_soc_update_bits(codec, RT5640_I2S1_SDP,
1723                         RT5640_I2S_MS_MASK | RT5640_I2S_BP_MASK |
1724                         RT5640_I2S_DF_MASK, reg_val);
1725         }
1726         if (dai_sel & RT5640_U_IF2) {
1727                 snd_soc_update_bits(codec, RT5640_I2S2_SDP,
1728                         RT5640_I2S_MS_MASK | RT5640_I2S_BP_MASK |
1729                         RT5640_I2S_DF_MASK, reg_val);
1730         }
1731 
1732         return 0;
1733 }
1734 
1735 static int rt5640_set_dai_sysclk(struct snd_soc_dai *dai,
1736                 int clk_id, unsigned int freq, int dir)
1737 {
1738         struct snd_soc_codec *codec = dai->codec;
1739         struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
1740         unsigned int reg_val = 0;
1741 
1742         if (freq == rt5640->sysclk && clk_id == rt5640->sysclk_src)
1743                 return 0;
1744 
1745         switch (clk_id) {
1746         case RT5640_SCLK_S_MCLK:
1747                 reg_val |= RT5640_SCLK_SRC_MCLK;
1748                 break;
1749         case RT5640_SCLK_S_PLL1:
1750                 reg_val |= RT5640_SCLK_SRC_PLL1;
1751                 break;
1752         case RT5640_SCLK_S_PLL1_TK:
1753                 reg_val |= RT5640_SCLK_SRC_PLL1T;
1754                 break;
1755         case RT5640_SCLK_S_RCCLK:
1756                 reg_val |= RT5640_SCLK_SRC_RCCLK;
1757                 break;
1758         default:
1759                 dev_err(codec->dev, "Invalid clock id (%d)\n", clk_id);
1760                 return -EINVAL;
1761         }
1762         snd_soc_update_bits(codec, RT5640_GLB_CLK,
1763                 RT5640_SCLK_SRC_MASK, reg_val);
1764         rt5640->sysclk = freq;
1765         rt5640->sysclk_src = clk_id;
1766 
1767         dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id);
1768         return 0;
1769 }
1770 
1771 /**
1772  * rt5640_pll_calc - Calculate PLL M/N/K code.
1773  * @freq_in: external clock provided to codec.
1774  * @freq_out: target clock which codec works on.
1775  * @pll_code: Pointer to structure with M, N, K and bypass flag.
1776  *
1777  * Calculate M/N/K code to configure PLL for codec. And K is assigned to 2
1778  * which make calculation more efficiently.
1779  *
1780  * Returns 0 for success or negative error code.
1781  */
1782 static int rt5640_pll_calc(const unsigned int freq_in,
1783         const unsigned int freq_out, struct rt5640_pll_code *pll_code)
1784 {
1785         int max_n = RT5640_PLL_N_MAX, max_m = RT5640_PLL_M_MAX;
1786         int n = 0, m = 0, red, n_t, m_t, in_t, out_t;
1787         int red_t = abs(freq_out - freq_in);
1788         bool bypass = false;
1789 
1790         if (RT5640_PLL_INP_MAX < freq_in || RT5640_PLL_INP_MIN > freq_in)
1791                 return -EINVAL;
1792 
1793         for (n_t = 0; n_t <= max_n; n_t++) {
1794                 in_t = (freq_in >> 1) + (freq_in >> 2) * n_t;
1795                 if (in_t < 0)
1796                         continue;
1797                 if (in_t == freq_out) {
1798                         bypass = true;
1799                         n = n_t;
1800                         goto code_find;
1801                 }
1802                 for (m_t = 0; m_t <= max_m; m_t++) {
1803                         out_t = in_t / (m_t + 2);
1804                         red = abs(out_t - freq_out);
1805                         if (red < red_t) {
1806                                 n = n_t;
1807                                 m = m_t;
1808                                 if (red == 0)
1809                                         goto code_find;
1810                                 red_t = red;
1811                         }
1812                 }
1813         }
1814         pr_debug("Only get approximation about PLL\n");
1815 
1816 code_find:
1817         pll_code->m_bp = bypass;
1818         pll_code->m_code = m;
1819         pll_code->n_code = n;
1820         pll_code->k_code = 2;
1821         return 0;
1822 }
1823 
1824 static int rt5640_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
1825                         unsigned int freq_in, unsigned int freq_out)
1826 {
1827         struct snd_soc_codec *codec = dai->codec;
1828         struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
1829         struct rt5640_pll_code *pll_code = &rt5640->pll_code;
1830         int ret, dai_sel;
1831 
1832         if (source == rt5640->pll_src && freq_in == rt5640->pll_in &&
1833             freq_out == rt5640->pll_out)
1834                 return 0;
1835 
1836         if (!freq_in || !freq_out) {
1837                 dev_dbg(codec->dev, "PLL disabled\n");
1838 
1839                 rt5640->pll_in = 0;
1840                 rt5640->pll_out = 0;
1841                 snd_soc_update_bits(codec, RT5640_GLB_CLK,
1842                         RT5640_SCLK_SRC_MASK, RT5640_SCLK_SRC_MCLK);
1843                 return 0;
1844         }
1845 
1846         switch (source) {
1847         case RT5640_PLL1_S_MCLK:
1848                 snd_soc_update_bits(codec, RT5640_GLB_CLK,
1849                         RT5640_PLL1_SRC_MASK, RT5640_PLL1_SRC_MCLK);
1850                 break;
1851         case RT5640_PLL1_S_BCLK1:
1852         case RT5640_PLL1_S_BCLK2:
1853                 dai_sel = get_sdp_info(codec, dai->id);
1854                 if (dai_sel < 0) {
1855                         dev_err(codec->dev,
1856                                 "Failed to get sdp info: %d\n", dai_sel);
1857                         return -EINVAL;
1858                 }
1859                 if (dai_sel & RT5640_U_IF1) {
1860                         snd_soc_update_bits(codec, RT5640_GLB_CLK,
1861                                 RT5640_PLL1_SRC_MASK, RT5640_PLL1_SRC_BCLK1);
1862                 }
1863                 if (dai_sel & RT5640_U_IF2) {
1864                         snd_soc_update_bits(codec, RT5640_GLB_CLK,
1865                                 RT5640_PLL1_SRC_MASK, RT5640_PLL1_SRC_BCLK2);
1866                 }
1867                 break;
1868         default:
1869                 dev_err(codec->dev, "Unknown PLL source %d\n", source);
1870                 return -EINVAL;
1871         }
1872 
1873         ret = rt5640_pll_calc(freq_in, freq_out, pll_code);
1874         if (ret < 0) {
1875                 dev_err(codec->dev, "Unsupport input clock %d\n", freq_in);
1876                 return ret;
1877         }
1878 
1879         dev_dbg(codec->dev, "bypass=%d m=%d n=%d k=2\n", pll_code->m_bp,
1880                 (pll_code->m_bp ? 0 : pll_code->m_code), pll_code->n_code);
1881 
1882         snd_soc_write(codec, RT5640_PLL_CTRL1,
1883                 pll_code->n_code << RT5640_PLL_N_SFT | pll_code->k_code);
1884         snd_soc_write(codec, RT5640_PLL_CTRL2,
1885                 (pll_code->m_bp ? 0 : pll_code->m_code) << RT5640_PLL_M_SFT |
1886                 pll_code->m_bp << RT5640_PLL_M_BP_SFT);
1887 
1888         rt5640->pll_in = freq_in;
1889         rt5640->pll_out = freq_out;
1890         rt5640->pll_src = source;
1891 
1892         return 0;
1893 }
1894 
1895 static int rt5640_set_bias_level(struct snd_soc_codec *codec,
1896                         enum snd_soc_bias_level level)
1897 {
1898         struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
1899         switch (level) {
1900         case SND_SOC_BIAS_STANDBY:
1901                 if (SND_SOC_BIAS_OFF == codec->dapm.bias_level) {
1902                         regcache_cache_only(rt5640->regmap, false);
1903                         snd_soc_update_bits(codec, RT5640_PWR_ANLG1,
1904                                 RT5640_PWR_VREF1 | RT5640_PWR_MB |
1905                                 RT5640_PWR_BG | RT5640_PWR_VREF2,
1906                                 RT5640_PWR_VREF1 | RT5640_PWR_MB |
1907                                 RT5640_PWR_BG | RT5640_PWR_VREF2);
1908                         usleep_range(10000, 15000);
1909                         snd_soc_update_bits(codec, RT5640_PWR_ANLG1,
1910                                 RT5640_PWR_FV1 | RT5640_PWR_FV2,
1911                                 RT5640_PWR_FV1 | RT5640_PWR_FV2);
1912                         regcache_sync(rt5640->regmap);
1913                         snd_soc_update_bits(codec, RT5640_DUMMY1,
1914                                                 0x0301, 0x0301);
1915                         snd_soc_update_bits(codec, RT5640_MICBIAS,
1916                                                 0x0030, 0x0030);
1917                 }
1918                 break;
1919 
1920         case SND_SOC_BIAS_OFF:
1921                 snd_soc_write(codec, RT5640_DEPOP_M1, 0x0004);
1922                 snd_soc_write(codec, RT5640_DEPOP_M2, 0x1100);
1923                 snd_soc_update_bits(codec, RT5640_DUMMY1, 0x1, 0);
1924                 snd_soc_write(codec, RT5640_PWR_DIG1, 0x0000);
1925                 snd_soc_write(codec, RT5640_PWR_DIG2, 0x0000);
1926                 snd_soc_write(codec, RT5640_PWR_VOL, 0x0000);
1927                 snd_soc_write(codec, RT5640_PWR_MIXER, 0x0000);
1928                 snd_soc_write(codec, RT5640_PWR_ANLG1, 0x0000);
1929                 snd_soc_write(codec, RT5640_PWR_ANLG2, 0x0000);
1930                 break;
1931 
1932         default:
1933                 break;
1934         }
1935         codec->dapm.bias_level = level;
1936 
1937         return 0;
1938 }
1939 
1940 static int rt5640_probe(struct snd_soc_codec *codec)
1941 {
1942         struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
1943         int ret;
1944 
1945         rt5640->codec = codec;
1946         codec->control_data = rt5640->regmap;
1947 
1948         ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_REGMAP);
1949         if (ret != 0) {
1950                 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
1951                 return ret;
1952         }
1953 
1954         codec->dapm.idle_bias_off = 1;
1955         rt5640_set_bias_level(codec, SND_SOC_BIAS_OFF);
1956 
1957         snd_soc_update_bits(codec, RT5640_DUMMY1, 0x0301, 0x0301);
1958         snd_soc_update_bits(codec, RT5640_MICBIAS, 0x0030, 0x0030);
1959         snd_soc_update_bits(codec, RT5640_DSP_PATH2, 0xfc00, 0x0c00);
1960 
1961         return 0;
1962 }
1963 
1964 static int rt5640_remove(struct snd_soc_codec *codec)
1965 {
1966         rt5640_reset(codec);
1967 
1968         return 0;
1969 }
1970 
1971 #ifdef CONFIG_PM
1972 static int rt5640_suspend(struct snd_soc_codec *codec)
1973 {
1974         struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
1975 
1976         rt5640_set_bias_level(codec, SND_SOC_BIAS_OFF);
1977         rt5640_reset(codec);
1978         regcache_cache_only(rt5640->regmap, true);
1979         regcache_mark_dirty(rt5640->regmap);
1980 
1981         return 0;
1982 }
1983 
1984 static int rt5640_resume(struct snd_soc_codec *codec)
1985 {
1986         rt5640_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1987 
1988         return 0;
1989 }
1990 #else
1991 #define rt5640_suspend NULL
1992 #define rt5640_resume NULL
1993 #endif
1994 
1995 #define RT5640_STEREO_RATES SNDRV_PCM_RATE_8000_96000
1996 #define RT5640_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1997                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1998 
1999 static const struct snd_soc_dai_ops rt5640_aif_dai_ops = {
2000         .hw_params = rt5640_hw_params,
2001         .set_fmt = rt5640_set_dai_fmt,
2002         .set_sysclk = rt5640_set_dai_sysclk,
2003         .set_pll = rt5640_set_dai_pll,
2004 };
2005 
2006 static struct snd_soc_dai_driver rt5640_dai[] = {
2007         {
2008                 .name = "rt5640-aif1",
2009                 .id = RT5640_AIF1,
2010                 .playback = {
2011                         .stream_name = "AIF1 Playback",
2012                         .channels_min = 1,
2013                         .channels_max = 2,
2014                         .rates = RT5640_STEREO_RATES,
2015                         .formats = RT5640_FORMATS,
2016                 },
2017                 .capture = {
2018                         .stream_name = "AIF1 Capture",
2019                         .channels_min = 1,
2020                         .channels_max = 2,
2021                         .rates = RT5640_STEREO_RATES,
2022                         .formats = RT5640_FORMATS,
2023                 },
2024                 .ops = &rt5640_aif_dai_ops,
2025         },
2026         {
2027                 .name = "rt5640-aif2",
2028                 .id = RT5640_AIF2,
2029                 .playback = {
2030                         .stream_name = "AIF2 Playback",
2031                         .channels_min = 1,
2032                         .channels_max = 2,
2033                         .rates = RT5640_STEREO_RATES,
2034                         .formats = RT5640_FORMATS,
2035                 },
2036                 .capture = {
2037                         .stream_name = "AIF2 Capture",
2038                         .channels_min = 1,
2039                         .channels_max = 2,
2040                         .rates = RT5640_STEREO_RATES,
2041                         .formats = RT5640_FORMATS,
2042                 },
2043                 .ops = &rt5640_aif_dai_ops,
2044         },
2045 };
2046 
2047 static struct snd_soc_codec_driver soc_codec_dev_rt5640 = {
2048         .probe = rt5640_probe,
2049         .remove = rt5640_remove,
2050         .suspend = rt5640_suspend,
2051         .resume = rt5640_resume,
2052         .set_bias_level = rt5640_set_bias_level,
2053         .controls = rt5640_snd_controls,
2054         .num_controls = ARRAY_SIZE(rt5640_snd_controls),
2055         .dapm_widgets = rt5640_dapm_widgets,
2056         .num_dapm_widgets = ARRAY_SIZE(rt5640_dapm_widgets),
2057         .dapm_routes = rt5640_dapm_routes,
2058         .num_dapm_routes = ARRAY_SIZE(rt5640_dapm_routes),
2059 };
2060 
2061 static const struct regmap_config rt5640_regmap = {
2062         .reg_bits = 8,
2063         .val_bits = 16,
2064         .use_single_rw = true,
2065 
2066         .max_register = RT5640_VENDOR_ID2 + 1 + (ARRAY_SIZE(rt5640_ranges) *
2067                                                RT5640_PR_SPACING),
2068         .volatile_reg = rt5640_volatile_register,
2069         .readable_reg = rt5640_readable_register,
2070 
2071         .cache_type = REGCACHE_RBTREE,
2072         .reg_defaults = rt5640_reg,
2073         .num_reg_defaults = ARRAY_SIZE(rt5640_reg),
2074         .ranges = rt5640_ranges,
2075         .num_ranges = ARRAY_SIZE(rt5640_ranges),
2076 };
2077 
2078 static const struct i2c_device_id rt5640_i2c_id[] = {
2079         { "rt5640", 0 },
2080         { }
2081 };
2082 MODULE_DEVICE_TABLE(i2c, rt5640_i2c_id);
2083 
2084 static int rt5640_parse_dt(struct rt5640_priv *rt5640, struct device_node *np)
2085 {
2086         rt5640->pdata.in1_diff = of_property_read_bool(np,
2087                                         "realtek,in1-differential");
2088         rt5640->pdata.in2_diff = of_property_read_bool(np,
2089                                         "realtek,in2-differential");
2090 
2091         rt5640->pdata.ldo1_en = of_get_named_gpio(np,
2092                                         "realtek,ldo1-en-gpios", 0);
2093         /*
2094          * LDO1_EN is optional (it may be statically tied on the board).
2095          * -ENOENT means that the property doesn't exist, i.e. there is no
2096          * GPIO, so is not an error. Any other error code means the property
2097          * exists, but could not be parsed.
2098          */
2099         if (!gpio_is_valid(rt5640->pdata.ldo1_en) &&
2100                         (rt5640->pdata.ldo1_en != -ENOENT))
2101                 return rt5640->pdata.ldo1_en;
2102 
2103         return 0;
2104 }
2105 
2106 static int rt5640_i2c_probe(struct i2c_client *i2c,
2107                     const struct i2c_device_id *id)
2108 {
2109         struct rt5640_platform_data *pdata = dev_get_platdata(&i2c->dev);
2110         struct rt5640_priv *rt5640;
2111         int ret;
2112         unsigned int val;
2113 
2114         rt5640 = devm_kzalloc(&i2c->dev,
2115                                 sizeof(struct rt5640_priv),
2116                                 GFP_KERNEL);
2117         if (NULL == rt5640)
2118                 return -ENOMEM;
2119         i2c_set_clientdata(i2c, rt5640);
2120 
2121         if (pdata) {
2122                 rt5640->pdata = *pdata;
2123                 /*
2124                  * Translate zero'd out (default) pdata value to an invalid
2125                  * GPIO ID. This makes the pdata and DT paths consistent in
2126                  * terms of the value left in this field when no GPIO is
2127                  * specified, but means we can't actually use GPIO 0.
2128                  */
2129                 if (!rt5640->pdata.ldo1_en)
2130                         rt5640->pdata.ldo1_en = -EINVAL;
2131         } else if (i2c->dev.of_node) {
2132                 ret = rt5640_parse_dt(rt5640, i2c->dev.of_node);
2133                 if (ret)
2134                         return ret;
2135         } else
2136                 rt5640->pdata.ldo1_en = -EINVAL;
2137 
2138         rt5640->regmap = devm_regmap_init_i2c(i2c, &rt5640_regmap);
2139         if (IS_ERR(rt5640->regmap)) {
2140                 ret = PTR_ERR(rt5640->regmap);
2141                 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
2142                         ret);
2143                 return ret;
2144         }
2145 
2146         if (gpio_is_valid(rt5640->pdata.ldo1_en)) {
2147                 ret = devm_gpio_request_one(&i2c->dev, rt5640->pdata.ldo1_en,
2148                                             GPIOF_OUT_INIT_HIGH,
2149                                             "RT5640 LDO1_EN");
2150                 if (ret < 0) {
2151                         dev_err(&i2c->dev, "Failed to request LDO1_EN %d: %d\n",
2152                                 rt5640->pdata.ldo1_en, ret);
2153                         return ret;
2154                 }
2155                 msleep(400);
2156         }
2157 
2158         regmap_read(rt5640->regmap, RT5640_VENDOR_ID2, &val);
2159         if ((val != RT5640_DEVICE_ID)) {
2160                 dev_err(&i2c->dev,
2161                         "Device with ID register %x is not rt5640/39\n", val);
2162                 return -ENODEV;
2163         }
2164 
2165         regmap_write(rt5640->regmap, RT5640_RESET, 0);
2166 
2167         ret = regmap_register_patch(rt5640->regmap, init_list,
2168                                     ARRAY_SIZE(init_list));
2169         if (ret != 0)
2170                 dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);
2171 
2172         if (rt5640->pdata.in1_diff)
2173                 regmap_update_bits(rt5640->regmap, RT5640_IN1_IN2,
2174                                         RT5640_IN_DF1, RT5640_IN_DF1);
2175 
2176         if (rt5640->pdata.in2_diff)
2177                 regmap_update_bits(rt5640->regmap, RT5640_IN3_IN4,
2178                                         RT5640_IN_DF2, RT5640_IN_DF2);
2179 
2180         rt5640->hp_mute = 1;
2181 
2182         ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5640,
2183                         rt5640_dai, ARRAY_SIZE(rt5640_dai));
2184         if (ret < 0)
2185                 goto err;
2186 
2187         return 0;
2188 err:
2189         return ret;
2190 }
2191 
2192 static int rt5640_i2c_remove(struct i2c_client *i2c)
2193 {
2194         snd_soc_unregister_codec(&i2c->dev);
2195 
2196         return 0;
2197 }
2198 
2199 static struct i2c_driver rt5640_i2c_driver = {
2200         .driver = {
2201                 .name = "rt5640",
2202                 .owner = THIS_MODULE,
2203         },
2204         .probe = rt5640_i2c_probe,
2205         .remove   = rt5640_i2c_remove,
2206         .id_table = rt5640_i2c_id,
2207 };
2208 module_i2c_driver(rt5640_i2c_driver);
2209 
2210 MODULE_DESCRIPTION("ASoC RT5640 driver");
2211 MODULE_AUTHOR("Johnny Hsu <johnnyhsu@realtek.com>");
2212 MODULE_LICENSE("GPL v2");
2213 

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