LXR linux/sound/soc/omap/omap-hdmi-card.c

   1/*
   2 * omap-hdmi-card.c
   3 *
   4 * OMAP ALSA SoC machine driver for TI OMAP HDMI
   5 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
   6 * Author: Ricardo Neri <ricardo.neri@ti.com>
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License
  10 * version 2 as published by the Free Software Foundation.
  11 *
  12 * This program is distributed in the hope that it will be useful, but
  13 * WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 * General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program; if not, write to the Free Software
  19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  20 * 02110-1301 USA
  21 *
  22 */
  23
  24#include <linux/module.h>
  25#include <sound/pcm.h>
  26#include <sound/soc.h>
  27#include <asm/mach-types.h>
  28#include <video/omapdss.h>
  29
  30#define DRV_NAME "omap-hdmi-audio"
  31
  32static struct snd_soc_dai_link omap_hdmi_dai = {
  33        .name = "HDMI",
  34        .stream_name = "HDMI",
  35        .cpu_dai_name = "omap-hdmi-audio-dai",
  36        .platform_name = "omap-pcm-audio",
  37        .codec_name = "hdmi-audio-codec",
  38        .codec_dai_name = "hdmi-hifi",
  39};
  40
  41static struct snd_soc_card snd_soc_omap_hdmi = {
  42        .name = "OMAPHDMI",
  43        .owner = THIS_MODULE,
  44        .dai_link = &omap_hdmi_dai,
  45        .num_links = 1,
  46};
  47
  48static int omap_hdmi_probe(struct platform_device *pdev)
  49{
  50        struct snd_soc_card *card = &snd_soc_omap_hdmi;
  51        int ret;
  52
  53        card->dev = &pdev->dev;
  54
  55        ret = snd_soc_register_card(card);
  56        if (ret) {
  57                dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
  58                card->dev = NULL;
  59                return ret;
  60        }
  61        return 0;
  62}
  63
  64static int omap_hdmi_remove(struct platform_device *pdev)
  65{
  66        struct snd_soc_card *card = platform_get_drvdata(pdev);
  67
  68        snd_soc_unregister_card(card);
  69        card->dev = NULL;
  70        return 0;
  71}
  72
  73static struct platform_driver omap_hdmi_driver = {
  74        .driver = {
  75                .name = DRV_NAME,
  76                .owner = THIS_MODULE,
  77        },
  78        .probe = omap_hdmi_probe,
  79        .remove = omap_hdmi_remove,
  80};
  81
  82module_platform_driver(omap_hdmi_driver);
  83
  84MODULE_AUTHOR("Ricardo Neri <ricardo.neri@ti.com>");
  85MODULE_DESCRIPTION("OMAP HDMI machine ASoC driver");
  86MODULE_LICENSE("GPL");
  87MODULE_ALIAS("platform:" DRV_NAME);
  88