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kernel/linux-rt-4.4.41/sound/soc/codecs/ad193x-spi.c 1.3 KB
5113f6f70   김현기   kernel add
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  /*
   * AD1938/AD1939 audio driver
   *
   * Copyright 2014 Analog Devices Inc.
   *
   * Licensed under the GPL-2.
   */
  
  #include <linux/module.h>
  #include <linux/spi/spi.h>
  #include <linux/regmap.h>
  
  #include <sound/soc.h>
  
  #include "ad193x.h"
  
  static int ad193x_spi_probe(struct spi_device *spi)
  {
  	const struct spi_device_id *id = spi_get_device_id(spi);
  	struct regmap_config config;
  
  	config = ad193x_regmap_config;
  	config.val_bits = 8;
  	config.reg_bits = 16;
  	config.read_flag_mask = 0x09;
  	config.write_flag_mask = 0x08;
  
  	return ad193x_probe(&spi->dev, devm_regmap_init_spi(spi, &config),
  			    (enum ad193x_type)id->driver_data);
  }
  
  static int ad193x_spi_remove(struct spi_device *spi)
  {
  	snd_soc_unregister_codec(&spi->dev);
  	return 0;
  }
  
  static const struct spi_device_id ad193x_spi_id[] = {
  	{ "ad193x", AD193X },
  	{ "ad1933", AD1933 },
  	{ "ad1934", AD1934 },
  	{ "ad1938", AD193X },
  	{ "ad1939", AD193X },
  	{ "adau1328", AD193X },
  	{ }
  };
  MODULE_DEVICE_TABLE(spi, ad193x_spi_id);
  
  static struct spi_driver ad193x_spi_driver = {
  	.driver = {
  		.name	= "ad193x",
  	},
  	.probe		= ad193x_spi_probe,
  	.remove		= ad193x_spi_remove,
  	.id_table	= ad193x_spi_id,
  };
  module_spi_driver(ad193x_spi_driver);
  
  MODULE_DESCRIPTION("ASoC AD1938/AD1939 audio CODEC driver");
  MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
  MODULE_LICENSE("GPL");