提交 dcdec639 编写于 作者: M Mark Brown

Merge branch 'ads117x' of...

Merge branch 'ads117x' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound-2.6 into for-2.6.33
......@@ -15,6 +15,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_AD1836 if SPI_MASTER
select SND_SOC_AD1938 if SPI_MASTER
select SND_SOC_AD1980 if SND_SOC_AC97_BUS
select SND_SOC_ADS117X
select SND_SOC_AD73311 if I2C
select SND_SOC_AK4104 if SPI_MASTER
select SND_SOC_AK4535 if I2C
......@@ -91,6 +92,9 @@ config SND_SOC_AD1980
config SND_SOC_AD73311
tristate
config SND_SOC_ADS117X
tristate
config SND_SOC_AK4104
tristate
......
......@@ -3,6 +3,7 @@ snd-soc-ad1836-objs := ad1836.o
snd-soc-ad1938-objs := ad1938.o
snd-soc-ad1980-objs := ad1980.o
snd-soc-ad73311-objs := ad73311.o
snd-soc-ads117x-objs := ads117x.o
snd-soc-ak4104-objs := ak4104.o
snd-soc-ak4535-objs := ak4535.o
snd-soc-ak4642-objs := ak4642.o
......@@ -58,6 +59,7 @@ obj-$(CONFIG_SND_SOC_AD1836) += snd-soc-ad1836.o
obj-$(CONFIG_SND_SOC_AD1938) += snd-soc-ad1938.o
obj-$(CONFIG_SND_SOC_AD1980) += snd-soc-ad1980.o
obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o
obj-$(CONFIG_SND_SOC_ADS117X) += snd-soc-ads117x.o
obj-$(CONFIG_SND_SOC_AK4104) += snd-soc-ak4104.o
obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o
obj-$(CONFIG_SND_SOC_AK4642) += snd-soc-ak4642.o
......
/*
* ads117x.c -- Driver for ads1174/8 ADC chips
*
* Copyright 2009 ShotSpotter Inc.
* Author: Graeme Gregory <gg@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 as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/initval.h>
#include <sound/soc.h>
#include "ads117x.h"
#define ADS117X_RATES (SNDRV_PCM_RATE_8000_48000)
#define ADS117X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
struct snd_soc_dai ads117x_dai = {
/* ADC */
.name = "ADS117X ADC",
.id = 1,
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 32,
.rates = ADS117X_RATES,
.formats = ADS117X_FORMATS,},
};
EXPORT_SYMBOL_GPL(ads117x_dai);
static int ads117x_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec;
int ret;
codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
if (codec == NULL)
return -ENOMEM;
socdev->card->codec = codec;
mutex_init(&codec->mutex);
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
codec->name = "ADS117X";
codec->owner = THIS_MODULE;
codec->dai = &ads117x_dai;
codec->num_dai = 1;
/* register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
printk(KERN_ERR "ads117x: failed to create pcms\n");
kfree(codec);
return ret;
}
return 0;
}
static int ads117x_remove(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
snd_soc_free_pcms(socdev);
kfree(codec);
return 0;
}
struct snd_soc_codec_device soc_codec_dev_ads117x = {
.probe = ads117x_probe,
.remove = ads117x_remove,
};
EXPORT_SYMBOL_GPL(soc_codec_dev_ads117x);
static __devinit int ads117x_platform_probe(struct platform_device *pdev)
{
ads117x_dai.dev = &pdev->dev;
return snd_soc_register_dai(&ads117x_dai);
}
static int __devexit ads117x_platform_remove(struct platform_device *pdev)
{
snd_soc_unregister_dai(&ads117x_dai);
return 0;
}
static struct platform_driver ads117x_codec_driver = {
.driver = {
.name = "ads117x",
.owner = THIS_MODULE,
},
.probe = ads117x_platform_probe,
.remove = __devexit_p(ads117x_platform_remove),
};
static int __init ads117x_init(void)
{
return platform_driver_register(&ads117x_codec_driver);
}
module_init(ads117x_init);
static void __exit ads117x_exit(void)
{
platform_driver_unregister(&ads117x_codec_driver);
}
module_exit(ads117x_exit);
MODULE_DESCRIPTION("ASoC ads117x driver");
MODULE_AUTHOR("Graeme Gregory");
MODULE_LICENSE("GPL");
/*
* ads117x.h -- Driver for ads1174/8 ADC chips
*
* Copyright 2009 ShotSpotter Inc.
* Author: Graeme Gregory <gg@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 as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
extern struct snd_soc_dai ads117x_dai;
extern struct snd_soc_codec_device soc_codec_dev_ads117x;
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