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Diffstat (limited to 'sound/soc/sh/fsi-ak4642.c')
-rw-r--r--sound/soc/sh/fsi-ak4642.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/sound/soc/sh/fsi-ak4642.c b/sound/soc/sh/fsi-ak4642.c
new file mode 100644
index 00000000..97f540aa
--- /dev/null
+++ b/sound/soc/sh/fsi-ak4642.c
@@ -0,0 +1,108 @@
+/*
+ * 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/platform_device.h>
+#include <linux/module.h>
+#include <sound/sh_fsi.h>
+
+struct fsi_ak4642_data {
+ const char *name;
+ const char *card;
+ const char *cpu_dai;
+ const char *codec;
+ const char *platform;
+ int id;
+};
+
+static int fsi_ak4642_dai_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai *codec = rtd->codec_dai;
+ struct snd_soc_dai *cpu = rtd->cpu_dai;
+ int ret;
+
+ ret = snd_soc_dai_set_fmt(codec, SND_SOC_DAIFMT_LEFT_J |
+ SND_SOC_DAIFMT_CBM_CFM);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_sysclk(codec, 0, 11289600, 0);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_LEFT_J |
+ SND_SOC_DAIFMT_CBS_CFS);
+
+ return ret;
+}
+
+static struct snd_soc_dai_link fsi_dai_link = {
+ .codec_dai_name = "ak4642-hifi",
+ .init = fsi_ak4642_dai_init,
+};
+
+static struct snd_soc_card fsi_soc_card = {
+ .owner = THIS_MODULE,
+ .dai_link = &fsi_dai_link,
+ .num_links = 1,
+};
+
+static struct platform_device *fsi_snd_device;
+
+static int fsi_ak4642_probe(struct platform_device *pdev)
+{
+ int ret = -ENOMEM;
+ struct fsi_ak4642_info *pinfo = pdev->dev.platform_data;
+
+ if (!pinfo) {
+ dev_err(&pdev->dev, "no info for fsi ak4642\n");
+ goto out;
+ }
+
+ fsi_snd_device = platform_device_alloc("soc-audio", pinfo->id);
+ if (!fsi_snd_device)
+ goto out;
+
+ fsi_dai_link.name = pinfo->name;
+ fsi_dai_link.stream_name = pinfo->name;
+ fsi_dai_link.cpu_dai_name = pinfo->cpu_dai;
+ fsi_dai_link.platform_name = pinfo->platform;
+ fsi_dai_link.codec_name = pinfo->codec;
+ fsi_soc_card.name = pinfo->card;
+
+ platform_set_drvdata(fsi_snd_device, &fsi_soc_card);
+ ret = platform_device_add(fsi_snd_device);
+
+ if (ret)
+ platform_device_put(fsi_snd_device);
+
+out:
+ return ret;
+}
+
+static int fsi_ak4642_remove(struct platform_device *pdev)
+{
+ platform_device_unregister(fsi_snd_device);
+ return 0;
+}
+
+static struct platform_driver fsi_ak4642 = {
+ .driver = {
+ .name = "fsi-ak4642-audio",
+ },
+ .probe = fsi_ak4642_probe,
+ .remove = fsi_ak4642_remove,
+};
+
+module_platform_driver(fsi_ak4642);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Generic SH4 FSI-AK4642 sound card");
+MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");