sound/soc/codecs/ad193x-i2c.c

   1 /*
   2  * AD1936/AD1937 audio driver
   3  *
   4  * Copyright 2014 Analog Devices Inc.
   5  *
   6  * Licensed under the GPL-2.
   7  */
   8
   9 #include <linux/module.h>
  10 #include <linux/i2c.h>
  11 #include <linux/regmap.h>
  12
  13 #include <sound/soc.h>
  14
  15 #include "ad193x.h"
  16
  17 static const struct i2c_device_id ad193x_id[] = {
  18         { "ad1936", AD193X },
  19         { "ad1937", AD193X },
  20         { }
  21 };
  22 MODULE_DEVICE_TABLE(i2c, ad193x_id);
  23
  24 static int ad193x_i2c_probe(struct i2c_client *client,
  25                             const struct i2c_device_id *id)
  26 {
  27         struct regmap_config config;
  28
  29         config = ad193x_regmap_config;
  30         config.val_bits = 8;
  31         config.reg_bits = 8;
  32
  33         return ad193x_probe(&client->dev,
  34                             devm_regmap_init_i2c(client, &config),
  35                             (enum ad193x_type)id->driver_data);
  36 }
  37
  38 static int ad193x_i2c_remove(struct i2c_client *client)
  39 {
  40         snd_soc_unregister_codec(&client->dev);
  41         return 0;
  42 }
  43
  44 static struct i2c_driver ad193x_i2c_driver = {
  45         .driver = {
  46                 .name = "ad193x",
  47         },
  48         .probe    = ad193x_i2c_probe,
  49         .remove   = ad193x_i2c_remove,
  50         .id_table = ad193x_id,
  51 };
  52 module_i2c_driver(ad193x_i2c_driver);
  53
  54 MODULE_DESCRIPTION("ASoC AD1936/AD1937 audio CODEC driver");
  55 MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
  56 MODULE_LICENSE("GPL");