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kernel/linux-rt-4.4.41/sound/soc/codecs/adau1761-i2c.c 1.34 KB
5113f6f70   김현기   kernel add
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  /*
   * Driver for ADAU1761/ADAU1461/ADAU1761/ADAU1961 codec
   *
   * Copyright 2014 Analog Devices Inc.
   *  Author: Lars-Peter Clausen <lars@metafoo.de>
   *
   * Licensed under the GPL-2.
   */
  
  #include <linux/i2c.h>
  #include <linux/mod_devicetable.h>
  #include <linux/module.h>
  #include <linux/regmap.h>
  #include <sound/soc.h>
  
  #include "adau1761.h"
  
  static int adau1761_i2c_probe(struct i2c_client *client,
  	const struct i2c_device_id *id)
  {
  	struct regmap_config config;
  
  	config = adau1761_regmap_config;
  	config.val_bits = 8;
  	config.reg_bits = 16;
  
  	return adau1761_probe(&client->dev,
  		devm_regmap_init_i2c(client, &config),
  		id->driver_data, NULL);
  }
  
  static int adau1761_i2c_remove(struct i2c_client *client)
  {
  	snd_soc_unregister_codec(&client->dev);
  	return 0;
  }
  
  static const struct i2c_device_id adau1761_i2c_ids[] = {
  	{ "adau1361", ADAU1361 },
  	{ "adau1461", ADAU1761 },
  	{ "adau1761", ADAU1761 },
  	{ "adau1961", ADAU1361 },
  	{ }
  };
  MODULE_DEVICE_TABLE(i2c, adau1761_i2c_ids);
  
  static struct i2c_driver adau1761_i2c_driver = {
  	.driver = {
  		.name = "adau1761",
  	},
  	.probe = adau1761_i2c_probe,
  	.remove = adau1761_i2c_remove,
  	.id_table = adau1761_i2c_ids,
  };
  module_i2c_driver(adau1761_i2c_driver);
  
  MODULE_DESCRIPTION("ASoC ADAU1361/ADAU1461/ADAU1761/ADAU1961 CODEC I2C driver");
  MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
  MODULE_LICENSE("GPL");