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Linux/sound/soc/codecs/cs42l51-i2c.c

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  1 /*
  2  * cs42l56.c -- CS42L51 ALSA SoC I2C audio driver
  3  *
  4  * Copyright 2014 CirrusLogic, Inc.
  5  *
  6  * Author: Brian Austin <brian.austin@cirrus.com>
  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 
 14 #include <linux/i2c.h>
 15 #include <linux/module.h>
 16 #include <sound/soc.h>
 17 
 18 #include "cs42l51.h"
 19 
 20 static struct i2c_device_id cs42l51_i2c_id[] = {
 21         {"cs42l51", 0},
 22         {}
 23 };
 24 MODULE_DEVICE_TABLE(i2c, cs42l51_i2c_id);
 25 
 26 static int cs42l51_i2c_probe(struct i2c_client *i2c,
 27                              const struct i2c_device_id *id)
 28 {
 29         struct regmap_config config;
 30 
 31         config = cs42l51_regmap;
 32         config.val_bits = 8;
 33         config.reg_bits = 8;
 34 
 35         return cs42l51_probe(&i2c->dev, devm_regmap_init_i2c(i2c, &config));
 36 }
 37 
 38 static int cs42l51_i2c_remove(struct i2c_client *i2c)
 39 {
 40         snd_soc_unregister_codec(&i2c->dev);
 41 
 42         return 0;
 43 }
 44 
 45 static struct i2c_driver cs42l51_i2c_driver = {
 46         .driver = {
 47                 .name = "cs42l51",
 48                 .of_match_table = cs42l51_of_match,
 49         },
 50         .probe = cs42l51_i2c_probe,
 51         .remove = cs42l51_i2c_remove,
 52         .id_table = cs42l51_i2c_id,
 53 };
 54 
 55 module_i2c_driver(cs42l51_i2c_driver);
 56 
 57 MODULE_DESCRIPTION("ASoC CS42L51 I2C Driver");
 58 MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
 59 MODULE_LICENSE("GPL");
 60 

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