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Commit b8e583f6 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

ASoC: Add FSI-AK4642 sound support for SuperH



This patch is tested by ms7724se

Signed-off-by: default avatarKuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent a3a83d9a
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+8 −0
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@@ -40,4 +40,12 @@ config SND_SH7760_AC97
	  This option enables generic sound support for the first
	  This option enables generic sound support for the first
	  AC97 unit of the SH7760.
	  AC97 unit of the SH7760.


config SND_FSI_AK4642
	bool "FSI-AK4642 sound support"
	depends on SND_SOC_SH4_FSI
	select SND_SOC_AK4642
	help
	  This option enables generic sound support for the
	  FSI - AK4642 unit

endmenu
endmenu
+2 −0
Original line number Original line Diff line number Diff line
@@ -12,5 +12,7 @@ obj-$(CONFIG_SND_SOC_SH4_FSI) += snd-soc-fsi.o


## boards
## boards
snd-soc-sh7760-ac97-objs	:= sh7760-ac97.o
snd-soc-sh7760-ac97-objs	:= sh7760-ac97.o
snd-soc-fsi-ak4642-objs		:= fsi-ak4642.o


obj-$(CONFIG_SND_SH7760_AC97)	+= snd-soc-sh7760-ac97.o
obj-$(CONFIG_SND_SH7760_AC97)	+= snd-soc-sh7760-ac97.o
obj-$(CONFIG_SND_FSI_AK4642)	+= snd-soc-fsi-ak4642.o
+107 −0
Original line number Original line Diff line number Diff line
/*
 * FSI-AK464x sound support for ms7724se
 *
 * Copyright (C) 2009 Renesas Solutions Corp.
 * Kuninori Morimoto <morimoto.kuninori@renesas.com>
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/io.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>

#include <sound/sh_fsi.h>
#include <../sound/soc/codecs/ak4642.h>

static struct snd_soc_dai_link fsi_dai_link = {
	.name		= "AK4642",
	.stream_name	= "AK4642",
	.cpu_dai	= &fsi_soc_dai[0], /* fsi */
	.codec_dai	= &ak4642_dai,
	.ops		= NULL,
};

static struct snd_soc_card fsi_soc_card  = {
	.name		= "FSI",
	.platform	= &fsi_soc_platform,
	.dai_link	= &fsi_dai_link,
	.num_links	= 1,
};

static struct snd_soc_device fsi_snd_devdata = {
	.card		= &fsi_soc_card,
	.codec_dev	= &soc_codec_dev_ak4642,
};

#define AK4642_BUS 0
#define AK4642_ADR 0x12
static int ak4642_add_i2c_device(void)
{
	struct i2c_board_info info;
	struct i2c_adapter *adapter;
	struct i2c_client *client;

	memset(&info, 0, sizeof(struct i2c_board_info));
	info.addr = AK4642_ADR;
	strlcpy(info.type, "ak4642", I2C_NAME_SIZE);

	adapter = i2c_get_adapter(AK4642_BUS);
	if (!adapter) {
		printk(KERN_DEBUG "can't get i2c adapter\n");
		return -ENODEV;
	}

	client = i2c_new_device(adapter, &info);
	i2c_put_adapter(adapter);
	if (!client) {
		printk(KERN_DEBUG "can't add i2c device\n");
		return -ENODEV;
	}

	return 0;
}

static struct platform_device *fsi_snd_device;

static int __init fsi_ak4642_init(void)
{
	int ret = -ENOMEM;

	ak4642_add_i2c_device();

	fsi_snd_device = platform_device_alloc("soc-audio", -1);
	if (!fsi_snd_device)
		goto out;

	platform_set_drvdata(fsi_snd_device,
			     &fsi_snd_devdata);
	fsi_snd_devdata.dev = &fsi_snd_device->dev;
	ret = platform_device_add(fsi_snd_device);

	if (ret)
		platform_device_put(fsi_snd_device);

out:
	return ret;
}

static void __exit fsi_ak4642_exit(void)
{
	platform_device_unregister(fsi_snd_device);
}

module_init(fsi_ak4642_init);
module_exit(fsi_ak4642_exit);

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Generic SH4 FSI-AK4642 sound card");
MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");