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ASoC: Add driver for the dfbmcs320 bluetooth module

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This patch adds a codec driver for the dfbmcs320 bluetooth module, which is used
on the neo1973 boards.

The patch also modifies the neo1937_wm8753 sound board driver to use the new
driver instead of registering the bluetooth DAI manually.
Previously there was a name mismatch between the bluetooth DAI and the bluetooth
DAI link and the sound card was not instantiated, with this patch the issue is
no longer present and sound support works again.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Lars-Peter Clausen
2011-03-07 08:04:59 +01:00
committed by Mark Brown
parent f5c4ffbd65
commit a077ff9034
5 changed files with 86 additions and 29 deletions
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72
sound/soc/codecs/dfbmcs320.c Normal file
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/*
* Driver for the DFBM-CS320 bluetooth module
* Copyright 2011 Lars-Peter Clausen <lars@metafoo.de>
*
* 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; either version 2 of the License, or (at your
* option) any later version.
*
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/soc.h>
static struct snd_soc_dai_driver dfbmcs320_dai = {
.name = "dfbmcs320-pcm",
.playback = {
.channels_min = 1,
.channels_max = 1,
.rates = SNDRV_PCM_RATE_8000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.capture = {
.channels_min = 1,
.channels_max = 1,
.rates = SNDRV_PCM_RATE_8000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
};
static struct snd_soc_codec_driver soc_codec_dev_dfbmcs320;
static int __devinit dfbmcs320_probe(struct platform_device *pdev)
{
return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_dfbmcs320,
&dfbmcs320_dai, 1);
}
static int __devexit dfbmcs320_remove(struct platform_device *pdev)
{
snd_soc_unregister_codec(&pdev->dev);
return 0;
}
static struct platform_driver dfmcs320_driver = {
.driver = {
.name = "dfbmcs320",
.owner = THIS_MODULE,
},
.probe = dfbmcs320_probe,
.remove = __devexit_p(dfbmcs320_remove),
};
static int __init dfbmcs320_init(void)
{
return platform_driver_register(&dfmcs320_driver);
}
module_init(dfbmcs320_init);
static void __exit dfbmcs320_exit(void)
{
platform_driver_unregister(&dfmcs320_driver);
}
module_exit(dfbmcs320_exit);
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_DESCRIPTION("ASoC DFBM-CS320 bluethooth module driver");
MODULE_LICENSE("GPL");