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>

diff --git a/sound/soc/sh/Kconfig b/sound/soc/sh/Kconfig
index 01943a1..9154b43 100644 (file)
--- a/sound/soc/sh/Kconfig
+++ b/sound/soc/sh/Kconfig
@@ -40,4 +40,12 @@ config SND_SH7760_AC97
          This option enables generic sound support for the first
          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

diff --git a/sound/soc/sh/Makefile b/sound/soc/sh/Makefile
index 9fbcc4a..a699787 100644 (file)
--- a/sound/soc/sh/Makefile
+++ b/sound/soc/sh/Makefile
@@ -12,5 +12,7 @@ obj-$(CONFIG_SND_SOC_SH4_FSI) += snd-soc-fsi.o
 
 ## boards
 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_FSI_AK4642)   += snd-soc-fsi-ak4642.o

diff --git a/sound/soc/sh/fsi-ak4642.c b/sound/soc/sh/fsi-ak4642.c
new file mode 100644 (file)
index 0000000..c7af097
--- /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>");