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nuc900-audio.c

/*
 * 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",
      .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");

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