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ASoC: Add support for Rpi-DAC

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This commit is contained in:
Florian Meier
2016-01-25 15:48:59 +00:00
committed by popcornmix
parent da46f6e538
commit e016d050ce
3 changed files with 76 additions and 0 deletions
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5
sound/soc/codecs/Kconfig
View File

@@ -128,6 +128,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_PCM179X_SPI if SPI_MASTER
select SND_SOC_PCM186X_I2C if I2C
select SND_SOC_PCM186X_SPI if SPI_MASTER
select SND_SOC_PCM1794A if I2C
select SND_SOC_PCM3008
select SND_SOC_PCM3060_I2C if I2C
select SND_SOC_PCM3060_SPI if SPI_MASTER
@@ -924,6 +925,10 @@ config SND_SOC_RT5616
tristate "Realtek RT5616 CODEC"
depends on I2C
config SND_SOC_PCM1794A
tristate
depends on I2C
config SND_SOC_RT5631
tristate "Realtek ALC5631/RT5631 CODEC"
depends on I2C

2
sound/soc/codecs/Makefile
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@@ -127,6 +127,7 @@ snd-soc-pcm179x-spi-objs := pcm179x-spi.o
snd-soc-pcm186x-objs := pcm186x.o
snd-soc-pcm186x-i2c-objs := pcm186x-i2c.o
snd-soc-pcm186x-spi-objs := pcm186x-spi.o
snd-soc-pcm1794a-objs := pcm1794a.o
snd-soc-pcm3008-objs := pcm3008.o
snd-soc-pcm3060-objs := pcm3060.o
snd-soc-pcm3060-i2c-objs := pcm3060-i2c.o
@@ -413,6 +414,7 @@ obj-$(CONFIG_SND_SOC_PCM512x) += snd-soc-pcm512x.o
obj-$(CONFIG_SND_SOC_PCM512x_I2C) += snd-soc-pcm512x-i2c.o
obj-$(CONFIG_SND_SOC_PCM512x_SPI) += snd-soc-pcm512x-spi.o
obj-$(CONFIG_SND_SOC_RK3328) += snd-soc-rk3328.o
obj-$(CONFIG_SND_SOC_PCM1794A) += snd-soc-pcm1794a.o
obj-$(CONFIG_SND_SOC_RL6231) += snd-soc-rl6231.o
obj-$(CONFIG_SND_SOC_RL6347A) += snd-soc-rl6347a.o
obj-$(CONFIG_SND_SOC_RT1305) += snd-soc-rt1305.o

69
sound/soc/codecs/pcm1794a.c Normal file
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@@ -0,0 +1,69 @@
/*
* Driver for the PCM1794A codec
*
* Author: Florian Meier <florian.meier@koalo.de>
* Copyright 2013
*
* 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.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/soc.h>
static struct snd_soc_dai_driver pcm1794a_dai = {
.name = "pcm1794a-hifi",
.playback = {
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE
},
};
static struct snd_soc_component_driver soc_component_dev_pcm1794a;
static int pcm1794a_probe(struct platform_device *pdev)
{
return snd_soc_register_component(&pdev->dev, &soc_component_dev_pcm1794a,
&pcm1794a_dai, 1);
}
static int pcm1794a_remove(struct platform_device *pdev)
{
snd_soc_unregister_component(&pdev->dev);
return 0;
}
static const struct of_device_id pcm1794a_of_match[] = {
{ .compatible = "ti,pcm1794a", },
{ }
};
MODULE_DEVICE_TABLE(of, pcm1794a_of_match);
static struct platform_driver pcm1794a_component_driver = {
.probe = pcm1794a_probe,
.remove = pcm1794a_remove,
.driver = {
.name = "pcm1794a-codec",
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(pcm1794a_of_match),
},
};
module_platform_driver(pcm1794a_component_driver);
MODULE_DESCRIPTION("ASoC PCM1794A codec driver");
MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
MODULE_LICENSE("GPL v2");