[ALSA] ASoC Samsung S3C24xx updates - i2s

This patch adds DMA size fields to the S3C24xx audio DMA params and
exports the S3C24xx I2S digital audio interface.

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/s3c24xx-i2s.c

@@ -61,13 +61,15 @@ static struct s3c2410_dma_client s3c24xx_dma_client_in = {
 static struct s3c24xx_pcm_dma_params s3c24xx_i2s_pcm_stereo_out = {
 	.client		= &s3c24xx_dma_client_out,
 	.channel	= DMACH_I2S_OUT,
-	.dma_addr	= S3C2410_PA_IIS + S3C2410_IISFIFO
+	.dma_addr	= S3C2410_PA_IIS + S3C2410_IISFIFO,
+	.dma_size	= 2,
 };
 
 static struct s3c24xx_pcm_dma_params s3c24xx_i2s_pcm_stereo_in = {
 	.client		= &s3c24xx_dma_client_in,
 	.channel	= DMACH_I2S_IN,
-	.dma_addr	= S3C2410_PA_IIS + S3C2410_IISFIFO
+	.dma_addr	= S3C2410_PA_IIS + S3C2410_IISFIFO,
+	.dma_size	= 2,
 };
 
 struct s3c24xx_i2s_info {

sound/soc/s3c24xx/s3c24xx-i2s.h

@@ -32,4 +32,6 @@
 
 u32 s3c24xx_i2s_get_clockrate(void);
 
+extern struct snd_soc_cpu_dai s3c24xx_i2s_dai;
+
 #endif /*S3C24XXI2S_H_*/