ASoC: SAMSUNG: Add S/PDIF CPU driver

This patch adds S/PDIF CPU driver for various Samsung SoCs.
Signed-off-by: Seungwhan Youn <sw.youn@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/s3c24xx/Kconfig

@@ -36,6 +36,10 @@ config SND_S3C_SOC_AC97
 	tristate
 	select SND_SOC_AC97_BUS
 
+config SND_S5P_SOC_SPDIF
+	tristate
+	select SND_SOC_SPDIF
+
 config SND_S3C24XX_SOC_NEO1973_WM8753
 	tristate "SoC I2S Audio support for NEO1973 - WM8753"
 	depends on SND_S3C24XX_SOC && MACH_NEO1973_GTA01

sound/soc/s3c24xx/Makefile

@@ -7,6 +7,7 @@ snd-soc-s3c-ac97-objs := s3c-ac97.o
 snd-soc-s3c64xx-i2s-v4-objs := s3c64xx-i2s-v4.o
 snd-soc-s3c-i2s-v2-objs := s3c-i2s-v2.o
 snd-soc-s3c-pcm-objs := s3c-pcm.o
+snd-soc-samsung-spdif-objs := spdif.o
 
 obj-$(CONFIG_SND_S3C24XX_SOC) += snd-soc-s3c24xx.o
 obj-$(CONFIG_SND_S3C24XX_SOC_I2S) += snd-soc-s3c24xx-i2s.o
@@ -16,6 +17,7 @@ obj-$(CONFIG_SND_S3C64XX_SOC_I2S) += snd-soc-s3c64xx-i2s.o
 obj-$(CONFIG_SND_S3C64XX_SOC_I2S_V4) += snd-soc-s3c64xx-i2s-v4.o
 obj-$(CONFIG_SND_S3C_I2SV2_SOC) += snd-soc-s3c-i2s-v2.o
 obj-$(CONFIG_SND_S3C_SOC_PCM) += snd-soc-s3c-pcm.o
+obj-$(CONFIG_SND_S5P_SOC_SPDIF) += snd-soc-samsung-spdif.o
 
 # S3C24XX Machine Support
 snd-soc-jive-wm8750-objs := jive_wm8750.o

sound/soc/s3c24xx/spdif.h

+/* sound/soc/s3c24xx/spdif.h
+ *
+ * ALSA SoC Audio Layer - Samsung S/PDIF Controller driver
+ *
+ * Copyright (c) 2010 Samsung Electronics Co. Ltd
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __SND_SOC_SAMSUNG_SPDIF_H
+#define __SND_SOC_SAMSUNG_SPDIF_H	__FILE__
+
+#define SND_SOC_SPDIF_INT_MCLK		0
+#define SND_SOC_SPDIF_EXT_MCLK		1
+
+#endif	/* __SND_SOC_SAMSUNG_SPDIF_H */