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kernel/linux-rt-4.4.41/sound/soc/codecs/ad193x-i2c.c 1.14 KB
5113f6f70   김현기   kernel add
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  /*
   * AD1936/AD1937 audio driver
   *
   * Copyright 2014 Analog Devices Inc.
   *
   * Licensed under the GPL-2.
   */
  
  #include <linux/module.h>
  #include <linux/i2c.h>
  #include <linux/regmap.h>
  
  #include <sound/soc.h>
  
  #include "ad193x.h"
  
  static const struct i2c_device_id ad193x_id[] = {
  	{ "ad1936", AD193X },
  	{ "ad1937", AD193X },
  	{ }
  };
  MODULE_DEVICE_TABLE(i2c, ad193x_id);
  
  static int ad193x_i2c_probe(struct i2c_client *client,
  			    const struct i2c_device_id *id)
  {
  	struct regmap_config config;
  
  	config = ad193x_regmap_config;
  	config.val_bits = 8;
  	config.reg_bits = 8;
  
  	return ad193x_probe(&client->dev,
  			    devm_regmap_init_i2c(client, &config),
  			    (enum ad193x_type)id->driver_data);
  }
  
  static int ad193x_i2c_remove(struct i2c_client *client)
  {
  	snd_soc_unregister_codec(&client->dev);
  	return 0;
  }
  
  static struct i2c_driver ad193x_i2c_driver = {
  	.driver = {
  		.name = "ad193x",
  	},
  	.probe    = ad193x_i2c_probe,
  	.remove   = ad193x_i2c_remove,
  	.id_table = ad193x_id,
  };
  module_i2c_driver(ad193x_i2c_driver);
  
  MODULE_DESCRIPTION("ASoC AD1936/AD1937 audio CODEC driver");
  MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
  MODULE_LICENSE("GPL");