mirror of
https://github.com/torvalds/linux.git
synced 2024-11-08 13:11:45 +00:00
82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
|
/*
|
||
|
|
* dmic.c -- SoC audio for Generic Digital MICs
|
||
|
|
*
|
||
|
|
* Author: Liam Girdwood <lrg@slimlogic.co.uk>
|
||
|
|
*
|
||
|
|
* 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/platform_device.h>
|
||
|
|
#include <linux/slab.h>
|
||
|
|
#include <sound/core.h>
|
||
|
|
#include <sound/pcm.h>
|
||
|
|
#include <sound/soc.h>
|
||
|
|
#include <sound/soc-dapm.h>
|
||
|
|
|
||
|
|
static struct snd_soc_dai_driver dmic_dai = {
|
||
|
|
.name = "dmic-hifi",
|
||
|
|
.capture = {
|
||
|
|
.stream_name = "Capture",
|
||
|
|
.channels_min = 1,
|
||
|
|
.channels_max = 8,
|
||
|
|
.rates = SNDRV_PCM_RATE_CONTINUOUS,
|
||
|
|
.formats = SNDRV_PCM_FMTBIT_S32_LE
|
||
|
|
| SNDRV_PCM_FMTBIT_S24_LE
|
||
|
|
| SNDRV_PCM_FMTBIT_S16_LE,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct snd_soc_codec_driver soc_dmic = {};
|
||
|
|
|
||
|
|
static int __devinit dmic_dev_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
return snd_soc_register_codec(&pdev->dev,
|
||
|
|
&soc_dmic, &dmic_dai, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int __devexit dmic_dev_remove(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
snd_soc_unregister_codec(&pdev->dev);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
MODULE_ALIAS("platform:dmic-codec");
|
||
|
|
|
||
|
|
static struct platform_driver dmic_driver = {
|
||
|
|
.driver = {
|
||
|
|
.name = "dmic-codec",
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
},
|
||
|
|
.probe = dmic_dev_probe,
|
||
|
|
.remove = __devexit_p(dmic_dev_remove),
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init dmic_init(void)
|
||
|
|
{
|
||
|
|
return platform_driver_register(&dmic_driver);
|
||
|
|
}
|
||
|
|
module_init(dmic_init);
|
||
|
|
|
||
|
|
static void __exit dmic_exit(void)
|
||
|
|
{
|
||
|
|
platform_driver_unregister(&dmic_driver);
|
||
|
|
}
|
||
|
|
module_exit(dmic_exit);
|
||
|
|
|
||
|
|
MODULE_DESCRIPTION("Generic DMIC driver");
|
||
|
|
MODULE_AUTHOR("Liam Girdwood <lrg@slimlogic.co.uk>");
|
||
|
|
MODULE_LICENSE("GPL");
|