leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ASoC: add phycore-ac97 sound support

Browse Source 
This patch adds sound support for Phytec PhyCORE / PhyCARD
modules in AC97 mode.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2010-02-10 10:42:33 +00:00
parent c50749de02
commit 22313eafe9
2 changed files with 92 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sound/soc/imx/Makefile
View File

@ -8,3 +8,5 @@ endif
obj-$(CONFIG_SND_IMX_SOC) += snd-soc-imx.o
# i.MX Machine Support
snd-soc-phycore-ac97-objs := phycore-ac97.o
obj-$(CONFIG_SND_SOC_PHYCORE_AC97) += snd-soc-phycore-ac97.o

90
sound/soc/imx/phycore-ac97.c Normal file
View File

@ -0,0 +1,90 @@
/*
* phycore-ac97.c -- SoC audio for imx_phycore in AC97 mode
*
* Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.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/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/i2c.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <asm/mach-types.h>
#include "../codecs/wm9712.h"
#include "imx-ssi.h"
static struct snd_soc_card imx_phycore;
static struct snd_soc_ops imx_phycore_hifi_ops = {
};
static struct snd_soc_dai_link imx_phycore_dai_ac97[] = {
{
.name = "HiFi",
.stream_name = "HiFi",
.codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
.ops = &imx_phycore_hifi_ops,
},
};
static struct snd_soc_card imx_phycore = {
.name = "PhyCORE-audio",
.platform = &imx_soc_platform,
.dai_link = imx_phycore_dai_ac97,
.num_links = ARRAY_SIZE(imx_phycore_dai_ac97),
};
static struct snd_soc_device imx_phycore_snd_devdata = {
.card = &imx_phycore,
.codec_dev = &soc_codec_dev_wm9712,
};
static struct platform_device *imx_phycore_snd_device;
static int __init imx_phycore_init(void)
{
int ret;
if (!machine_is_pcm043() && !machine_is_pca100())
/* return happy. We might run on a totally different machine */
return 0;
imx_phycore_snd_device = platform_device_alloc("soc-audio", -1);
if (!imx_phycore_snd_device)
return -ENOMEM;
imx_phycore_dai_ac97[0].cpu_dai = &imx_ssi_pcm_dai[0];
platform_set_drvdata(imx_phycore_snd_device, &imx_phycore_snd_devdata);
imx_phycore_snd_devdata.dev = &imx_phycore_snd_device->dev;
ret = platform_device_add(imx_phycore_snd_device);
if (ret) {
printk(KERN_ERR "ASoC: Platform device allocation failed\n");
platform_device_put(imx_phycore_snd_device);
}
return ret;
}
static void __exit imx_phycore_exit(void)
{
platform_device_unregister(imx_phycore_snd_device);
}
late_initcall(imx_phycore_init);
module_exit(imx_phycore_exit);
MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
MODULE_DESCRIPTION("PhyCORE ALSA SoC driver");
MODULE_LICENSE("GPL");