[alsa-devel] [PATCH] ASoC: S3C: Fix PCM RX FIFO settings

[Seungwhan Youn]

When PCM capture, sound recorded abnormally because of RX FIFO
threshold settings are missing. So, This patch modify PCM RX FIFO
setting codes same as TX.

Signed-off-by: Seungwhan Youn <sw.youn at samsung.com>
---
 sound/soc/s3c24xx/s3c-pcm.c |    3 +++
 sound/soc/s3c24xx/s3c-pcm.h |    3 ++-
 2 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/sound/soc/s3c24xx/s3c-pcm.c b/sound/soc/s3c24xx/s3c-pcm.c
index 43dcc6b..deaa3f2 100644
--- a/sound/soc/s3c24xx/s3c-pcm.c
+++ b/sound/soc/s3c24xx/s3c-pcm.c
@@ -107,11 +107,14 @@ static void s3c_pcm_snd_rxctrl(struct s3c_pcm_info *pcm, int on)
 
 	ctl = readl(regs + S3C_PCM_CTL);
 	clkctl = readl(regs + S3C_PCM_CLKCTL);
+	ctl &= ~(S3C_PCM_CTL_RXDIPSTICK_MASK
+			 << S3C_PCM_CTL_RXDIPSTICK_SHIFT);
 
 	if (on) {
 		ctl |= S3C_PCM_CTL_RXDMA_EN;
 		ctl |= S3C_PCM_CTL_RXFIFO_EN;
 		ctl |= S3C_PCM_CTL_ENABLE;
+		ctl |= (0x20<<S3C_PCM_CTL_RXDIPSTICK_SHIFT);
 		clkctl |= S3C_PCM_CLKCTL_SERCLK_EN;
 	} else {
 		ctl &= ~S3C_PCM_CTL_RXDMA_EN;
diff --git a/sound/soc/s3c24xx/s3c-pcm.h b/sound/soc/s3c24xx/s3c-pcm.h
index 3e9bfc9..b85eaf2 100644
--- a/sound/soc/s3c24xx/s3c-pcm.h
+++ b/sound/soc/s3c24xx/s3c-pcm.h
@@ -22,7 +22,8 @@
 /* PCM_CTL Bit-Fields */
 #define S3C_PCM_CTL_TXDIPSTICK_MASK		(0x3f)
 #define S3C_PCM_CTL_TXDIPSTICK_SHIFT	(13)
-#define S3C_PCM_CTL_RXDIPSTICK_MSK		(0x3f<<7)
+#define S3C_PCM_CTL_RXDIPSTICK_MASK		(0x3f)
+#define S3C_PCM_CTL_RXDIPSTICK_SHIFT	(7)
 #define S3C_PCM_CTL_TXDMA_EN		(0x1<<6)
 #define S3C_PCM_CTL_RXDMA_EN		(0x1<<5)
 #define S3C_PCM_CTL_TXMSB_AFTER_FSYNC	(0x1<<4)
-- 
1.6.2.5