diff options
author | Kuninori Morimoto <morimoto.kuninori@renesas.com> | 2009-08-21 09:42:59 +0900 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-08-21 11:02:03 +0100 |
commit | b8e583f6012d618fb93bb38a302b63c3c6d2bfbc (patch) | |
tree | b766926ab822d02441d1ed77033896945e02d35b /sound/soc/sh/fsi-ak4642.c | |
parent | a3a83d9a7cb0ce3b1d100060d5ad777e7480b4f2 (diff) |
ASoC: Add FSI-AK4642 sound support for SuperH
This patch is tested by ms7724se
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/sh/fsi-ak4642.c')
-rw-r--r-- | sound/soc/sh/fsi-ak4642.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/sound/soc/sh/fsi-ak4642.c b/sound/soc/sh/fsi-ak4642.c new file mode 100644 index 00000000000..c7af09729c6 --- /dev/null +++ b/sound/soc/sh/fsi-ak4642.c @@ -0,0 +1,107 @@ +/* + * 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>"); |