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

   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                 .owner = THIS_MODULE,
  49                 .of_match_table = cs42l51_of_match,
  50         },
  51         .probe = cs42l51_i2c_probe,
  52         .remove = cs42l51_i2c_remove,
  53         .id_table = cs42l51_i2c_id,
  54 };
  55
  56 module_i2c_driver(cs42l51_i2c_driver);
  57
  58 MODULE_DESCRIPTION("ASoC CS42L51 I2C Driver");
  59 MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
  60 MODULE_LICENSE("GPL");