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Linux/sound/soc/codecs/tlv320aic32x4-spi.c

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  1 /* SPDX-License-Identifier: GPL-2.0
  2  *
  3  * Copyright 2011-2019 NW Digital Radio
  4  *
  5  * Author: Annaliese McDermond <nh6z@nh6z.net>
  6  *
  7  * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
  8  *
  9  */
 10 
 11 #include <linux/spi/spi.h>
 12 #include <linux/module.h>
 13 #include <linux/of.h>
 14 #include <linux/regmap.h>
 15 #include <sound/soc.h>
 16 
 17 #include "tlv320aic32x4.h"
 18 
 19 static int aic32x4_spi_probe(struct spi_device *spi)
 20 {
 21         struct regmap *regmap;
 22         struct regmap_config config;
 23 
 24         config = aic32x4_regmap_config;
 25         config.reg_bits = 7;
 26         config.pad_bits = 1;
 27         config.val_bits = 8;
 28         config.read_flag_mask = 0x01;
 29 
 30         regmap = devm_regmap_init_spi(spi, &config);
 31         return aic32x4_probe(&spi->dev, regmap);
 32 }
 33 
 34 static int aic32x4_spi_remove(struct spi_device *spi)
 35 {
 36         return aic32x4_remove(&spi->dev);
 37 }
 38 
 39 static const struct spi_device_id aic32x4_spi_id[] = {
 40         { "tlv320aic32x4", 0 },
 41         { "tlv320aic32x6", 1 },
 42         { /* sentinel */ }
 43 };
 44 MODULE_DEVICE_TABLE(spi, aic32x4_spi_id);
 45 
 46 static const struct of_device_id aic32x4_of_id[] = {
 47         { .compatible = "ti,tlv320aic32x4", },
 48         { .compatible = "ti,tlv320aic32x6", },
 49         { /* senitel */ }
 50 };
 51 MODULE_DEVICE_TABLE(of, aic32x4_of_id);
 52 
 53 static struct spi_driver aic32x4_spi_driver = {
 54         .driver = {
 55                 .name = "tlv320aic32x4",
 56                 .owner = THIS_MODULE,
 57                 .of_match_table = aic32x4_of_id,
 58         },
 59         .probe =    aic32x4_spi_probe,
 60         .remove =   aic32x4_spi_remove,
 61         .id_table = aic32x4_spi_id,
 62 };
 63 
 64 module_spi_driver(aic32x4_spi_driver);
 65 
 66 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI");
 67 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
 68 MODULE_LICENSE("GPL");
 69 

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