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Linux/sound/soc/codecs/pcm186x-i2c.c

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  1 // SPDX-License-Identifier: GPL-2.0
  2 /*
  3  * Texas Instruments PCM186x Universal Audio ADC - I2C
  4  *
  5  * Copyright (C) 2015-2017 Texas Instruments Incorporated - http://www.ti.com
  6  *      Andreas Dannenberg <dannenberg@ti.com>
  7  *      Andrew F. Davis <afd@ti.com>
  8  */
  9 
 10 #include <linux/init.h>
 11 #include <linux/module.h>
 12 #include <linux/i2c.h>
 13 
 14 #include "pcm186x.h"
 15 
 16 static const struct of_device_id pcm186x_of_match[] = {
 17         { .compatible = "ti,pcm1862", .data = (void *)PCM1862 },
 18         { .compatible = "ti,pcm1863", .data = (void *)PCM1863 },
 19         { .compatible = "ti,pcm1864", .data = (void *)PCM1864 },
 20         { .compatible = "ti,pcm1865", .data = (void *)PCM1865 },
 21         { }
 22 };
 23 MODULE_DEVICE_TABLE(of, pcm186x_of_match);
 24 
 25 static int pcm186x_i2c_probe(struct i2c_client *i2c,
 26                              const struct i2c_device_id *id)
 27 {
 28         const enum pcm186x_type type = (enum pcm186x_type)id->driver_data;
 29         int irq = i2c->irq;
 30         struct regmap *regmap;
 31 
 32         regmap = devm_regmap_init_i2c(i2c, &pcm186x_regmap);
 33         if (IS_ERR(regmap))
 34                 return PTR_ERR(regmap);
 35 
 36         return pcm186x_probe(&i2c->dev, type, irq, regmap);
 37 }
 38 
 39 static const struct i2c_device_id pcm186x_i2c_id[] = {
 40         { "pcm1862", PCM1862 },
 41         { "pcm1863", PCM1863 },
 42         { "pcm1864", PCM1864 },
 43         { "pcm1865", PCM1865 },
 44         { }
 45 };
 46 MODULE_DEVICE_TABLE(i2c, pcm186x_i2c_id);
 47 
 48 static struct i2c_driver pcm186x_i2c_driver = {
 49         .probe          = pcm186x_i2c_probe,
 50         .id_table       = pcm186x_i2c_id,
 51         .driver         = {
 52                 .name   = "pcm186x",
 53                 .of_match_table = pcm186x_of_match,
 54         },
 55 };
 56 module_i2c_driver(pcm186x_i2c_driver);
 57 
 58 MODULE_AUTHOR("Andreas Dannenberg <dannenberg@ti.com>");
 59 MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
 60 MODULE_DESCRIPTION("PCM186x Universal Audio ADC I2C Interface Driver");
 61 MODULE_LICENSE("GPL v2");
 62 

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