[ALSA] ASoC S3C24xx machine drivers - SMDK 2443

This patch adds ALSA support for the SMDK2443 reference board.
Signed-off-by: Graeme Gregory <gg@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/soc/s3c24xx/smdk2443_wm9710.c

+/*
+ * smdk2443_wm9710.c  --  SoC audio for smdk2443
+ *
+ * Copyright 2007 Wolfson Microelectronics PLC.
+ * Author: Graeme Gregory
+ *         graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ *  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.
+ *
+ *  Revision history
+ *    8th Mar 2007   Initial version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include "../codecs/ac97.h"
+#include "s3c24xx-pcm.h"
+#include "s3c24xx-ac97.h"
+
+static struct snd_soc_machine smdk2443;
+
+static struct snd_soc_dai_link smdk2443_dai[] = {
+{
+	.name = "AC97",
+	.stream_name = "AC97 HiFi",
+	.cpu_dai = &s3c2443_ac97_dai[0],
+	.codec_dai = &ac97_dai,
+},
+};
+
+static struct snd_soc_machine smdk2443 = {
+	.name = "SMDK2443",
+	.dai_link = smdk2443_dai,
+	.num_links = ARRAY_SIZE(smdk2443_dai),
+};
+
+static struct snd_soc_device smdk2443_snd_ac97_devdata = {
+	.machine = &smdk2443,
+	.platform = &s3c24xx_soc_platform,
+	.codec_dev = &soc_codec_dev_ac97,
+};
+
+static struct platform_device *smdk2443_snd_ac97_device;
+
+static int __init smdk2443_init(void)
+{
+	int ret;
+
+	smdk2443_snd_ac97_device = platform_device_alloc("soc-audio", -1);
+	if (!smdk2443_snd_ac97_device)
+		return -ENOMEM;
+
+	platform_set_drvdata(smdk2443_snd_ac97_device,
+				&smdk2443_snd_ac97_devdata);
+	smdk2443_snd_ac97_devdata.dev = &smdk2443_snd_ac97_device->dev;
+	ret = platform_device_add(smdk2443_snd_ac97_device);
+
+	if (ret)
+		platform_device_put(smdk2443_snd_ac97_device);
+
+	return ret;
+}
+
+static void __exit smdk2443_exit(void)
+{
+	platform_device_unregister(smdk2443_snd_ac97_device);
+}
+
+module_init(smdk2443_init);
+module_exit(smdk2443_exit);
+
+/* Module information */
+MODULE_AUTHOR("Graeme Gregory, graeme.gregory@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("ALSA SoC WM9710 SMDK2443");
+MODULE_LICENSE("GPL");