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kernel/linux-imx6_3.14.28/sound/soc/nuc900/nuc900-audio.c 1.68 KB
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  /*
   * Copyright (c) 2010 Nuvoton technology corporation.
   *
   * Wan ZongShun <mcuos.com@gmail.com>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation;version 2 of the License.
   *
   */
  
  #include <linux/module.h>
  #include <linux/moduleparam.h>
  #include <linux/timer.h>
  #include <linux/interrupt.h>
  #include <linux/platform_device.h>
  
  #include <sound/core.h>
  #include <sound/pcm.h>
  #include <sound/soc.h>
  
  #include "nuc900-audio.h"
  
  static struct snd_soc_dai_link nuc900evb_ac97_dai = {
  	.name		= "AC97",
  	.stream_name	= "AC97 HiFi",
  	.cpu_dai_name	= "nuc900-ac97",
  	.codec_dai_name	= "ac97-hifi",
  	.codec_name	= "ac97-codec",
  	.platform_name	= "nuc900-pcm-audio",
  };
  
  static struct snd_soc_card nuc900evb_audio_machine = {
  	.name		= "NUC900EVB_AC97",
  	.owner		= THIS_MODULE,
  	.dai_link	= &nuc900evb_ac97_dai,
  	.num_links	= 1,
  };
  
  static struct platform_device *nuc900evb_asoc_dev;
  
  static int __init nuc900evb_audio_init(void)
  {
  	int ret;
  
  	ret = -ENOMEM;
  	nuc900evb_asoc_dev = platform_device_alloc("soc-audio", -1);
  	if (!nuc900evb_asoc_dev)
  		goto out;
  
  	/* nuc900 board audio device */
  	platform_set_drvdata(nuc900evb_asoc_dev, &nuc900evb_audio_machine);
  
  	ret = platform_device_add(nuc900evb_asoc_dev);
  
  	if (ret) {
  		platform_device_put(nuc900evb_asoc_dev);
  		nuc900evb_asoc_dev = NULL;
  	}
  
  out:
  	return ret;
  }
  
  static void __exit nuc900evb_audio_exit(void)
  {
  	platform_device_unregister(nuc900evb_asoc_dev);
  }
  
  module_init(nuc900evb_audio_init);
  module_exit(nuc900evb_audio_exit);
  
  MODULE_LICENSE("GPL");
  MODULE_DESCRIPTION("NUC900 Series ASoC audio support");
  MODULE_AUTHOR("Wan ZongShun");