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kernel/linux-rt-4.4.41/sound/soc/txx9/txx9aclc-generic.c 2.19 KB
5113f6f70   김현기   kernel add
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  /*
   * Generic TXx9 ACLC machine driver
   *
   * Copyright (C) 2009 Atsushi Nemoto
   *
   * Based on RBTX49xx patch from CELF patch archive.
   * (C) Copyright TOSHIBA CORPORATION 2004-2006
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   *
   * This is a very generic AC97 sound machine driver for boards which
   * have (AC97) audio at ACLC (e.g. RBTX49XX boards).
   */
  
  #include <linux/module.h>
  #include <linux/platform_device.h>
  #include <sound/core.h>
  #include <sound/pcm.h>
  #include <sound/soc.h>
  #include "txx9aclc.h"
  
  static struct snd_soc_dai_link txx9aclc_generic_dai = {
  	.name = "AC97",
  	.stream_name = "AC97 HiFi",
  	.cpu_dai_name = "txx9aclc-ac97",
  	.codec_dai_name = "ac97-hifi",
  	.platform_name	= "txx9aclc-pcm-audio",
  	.codec_name	= "ac97-codec",
  };
  
  static struct snd_soc_card txx9aclc_generic_card = {
  	.name		= "Generic TXx9 ACLC Audio",
  	.owner		= THIS_MODULE,
  	.dai_link	= &txx9aclc_generic_dai,
  	.num_links	= 1,
  };
  
  static struct platform_device *soc_pdev;
  
  static int __init txx9aclc_generic_probe(struct platform_device *pdev)
  {
  	int ret;
  
  	soc_pdev = platform_device_alloc("soc-audio", -1);
  	if (!soc_pdev)
  		return -ENOMEM;
  	platform_set_drvdata(soc_pdev, &txx9aclc_generic_card);
  	ret = platform_device_add(soc_pdev);
  	if (ret) {
  		platform_device_put(soc_pdev);
  		return ret;
  	}
  
  	return 0;
  }
  
  static int __exit txx9aclc_generic_remove(struct platform_device *pdev)
  {
  	platform_device_unregister(soc_pdev);
  	return 0;
  }
  
  static struct platform_driver txx9aclc_generic_driver = {
  	.remove = __exit_p(txx9aclc_generic_remove),
  	.driver = {
  		.name = "txx9aclc-generic",
  	},
  };
  
  static int __init txx9aclc_generic_init(void)
  {
  	return platform_driver_probe(&txx9aclc_generic_driver,
  				     txx9aclc_generic_probe);
  }
  
  static void __exit txx9aclc_generic_exit(void)
  {
  	platform_driver_unregister(&txx9aclc_generic_driver);
  }
  
  module_init(txx9aclc_generic_init);
  module_exit(txx9aclc_generic_exit);
  
  MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
  MODULE_DESCRIPTION("Generic TXx9 ACLC ALSA SoC audio driver");
  MODULE_LICENSE("GPL");
  MODULE_ALIAS("platform:txx9aclc-generic");