77 строки
1.8 KiB
C
77 строки
1.8 KiB
C
/*
|
|
* ALSA SoC SPDIF DIT driver
|
|
*
|
|
* This driver is used by controllers which can operate in DIT (SPDI/F) where
|
|
* no codec is needed. This file provides stub codec that can be used
|
|
* in these configurations. TI DaVinci Audio controller uses this driver.
|
|
*
|
|
* Author: Steve Chen, <schen@mvista.com>
|
|
* Copyright: (C) 2009 MontaVista Software, Inc., <source@mvista.com>
|
|
* Copyright: (C) 2009 Texas Instruments, India
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/slab.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/initval.h>
|
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
#define STUB_RATES SNDRV_PCM_RATE_8000_96000
|
|
#define STUB_FORMATS SNDRV_PCM_FMTBIT_S16_LE
|
|
|
|
|
|
static struct snd_soc_codec_driver soc_codec_spdif_dit;
|
|
|
|
static struct snd_soc_dai_driver dit_stub_dai = {
|
|
.name = "dit-hifi",
|
|
.playback = {
|
|
.stream_name = "Playback",
|
|
.channels_min = 1,
|
|
.channels_max = 384,
|
|
.rates = STUB_RATES,
|
|
.formats = STUB_FORMATS,
|
|
},
|
|
};
|
|
|
|
static int spdif_dit_probe(struct platform_device *pdev)
|
|
{
|
|
return snd_soc_register_codec(&pdev->dev, &soc_codec_spdif_dit,
|
|
&dit_stub_dai, 1);
|
|
}
|
|
|
|
static int spdif_dit_remove(struct platform_device *pdev)
|
|
{
|
|
snd_soc_unregister_codec(&pdev->dev);
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver spdif_dit_driver = {
|
|
.probe = spdif_dit_probe,
|
|
.remove = spdif_dit_remove,
|
|
.driver = {
|
|
.name = "spdif-dit",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
};
|
|
|
|
static int __init dit_modinit(void)
|
|
{
|
|
return platform_driver_register(&spdif_dit_driver);
|
|
}
|
|
|
|
static void __exit dit_exit(void)
|
|
{
|
|
platform_driver_unregister(&spdif_dit_driver);
|
|
}
|
|
|
|
module_init(dit_modinit);
|
|
module_exit(dit_exit);
|
|
|