ASoC: S3C: I2Sv2: Unify clock source IDs

Rather than having the multiple definitions of the same clocks,
define them in one common place and refer by SoC specific names.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/s3c24xx/s3c-i2s-v2.h

@@ -25,6 +25,10 @@
 #define S3C_I2SV2_DIV_RCLK	(2)
 #define S3C_I2SV2_DIV_PRESCALER	(3)
 
+#define S3C_I2SV2_CLKSRC_PCLK		0
+#define S3C_I2SV2_CLKSRC_AUDIOBUS	1
+#define S3C_I2SV2_CLKSRC_CDCLK		2
+
 /**
  * struct s3c_i2sv2_info - S3C I2S-V2 information
  * @dev: The parent device passed to use from the probe.