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kernel/linux-imx6_3.14.28/sound/soc/omap/omap-hdmi-card.c 2.22 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * omap-hdmi-card.c
   *
   * OMAP ALSA SoC machine driver for TI OMAP HDMI
   * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
   * Author: Ricardo Neri <ricardo.neri@ti.com>
   *
   * 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 program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
   * 02110-1301 USA
   *
   */
  
  #include <linux/module.h>
  #include <sound/pcm.h>
  #include <sound/soc.h>
  #include <asm/mach-types.h>
  #include <video/omapdss.h>
  
  #define DRV_NAME "omap-hdmi-audio"
  
  static struct snd_soc_dai_link omap_hdmi_dai = {
  	.name = "HDMI",
  	.stream_name = "HDMI",
  	.cpu_dai_name = "omap-hdmi-audio-dai",
  	.platform_name = "omap-pcm-audio",
  	.codec_name = "hdmi-audio-codec",
  	.codec_dai_name = "hdmi-hifi",
  };
  
  static struct snd_soc_card snd_soc_omap_hdmi = {
  	.name = "OMAPHDMI",
  	.owner = THIS_MODULE,
  	.dai_link = &omap_hdmi_dai,
  	.num_links = 1,
  };
  
  static int omap_hdmi_probe(struct platform_device *pdev)
  {
  	struct snd_soc_card *card = &snd_soc_omap_hdmi;
  	int ret;
  
  	card->dev = &pdev->dev;
  
  	ret = snd_soc_register_card(card);
  	if (ret) {
  		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)
  ", ret);
  		card->dev = NULL;
  		return ret;
  	}
  	return 0;
  }
  
  static int omap_hdmi_remove(struct platform_device *pdev)
  {
  	struct snd_soc_card *card = platform_get_drvdata(pdev);
  
  	snd_soc_unregister_card(card);
  	card->dev = NULL;
  	return 0;
  }
  
  static struct platform_driver omap_hdmi_driver = {
  	.driver = {
  		.name = DRV_NAME,
  		.owner = THIS_MODULE,
  	},
  	.probe = omap_hdmi_probe,
  	.remove = omap_hdmi_remove,
  };
  
  module_platform_driver(omap_hdmi_driver);
  
  MODULE_AUTHOR("Ricardo Neri <ricardo.neri@ti.com>");
  MODULE_DESCRIPTION("OMAP HDMI machine ASoC driver");
  MODULE_LICENSE("GPL");
  MODULE_ALIAS("platform:" DRV_NAME);