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authorSeungwhan Youn <sw.youn@samsung.com>2010-09-10 10:20:00 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-09-11 13:12:20 +0200
commit0cca9012527b77df1491f1b8422c7aae16e17ae0 (patch)
tree24bfa617495e3bee4da3a81fe696532b4566f285 /sound/soc/s3c24xx/s3c-pcm.c
parentASoC: Fix off-by-one bug in WM8962 register cache size configuration (diff)
downloadlinux-0cca9012527b77df1491f1b8422c7aae16e17ae0.tar.xz
linux-0cca9012527b77df1491f1b8422c7aae16e17ae0.zip
ASoC: S3C: Fix PCM RX FIFO settings
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. And for DMA, if PCM RXFIFO_DIPSTICK is not '0', it doesn't effect to DMA request, because DMA refer RX_FIFO_EMPTY flag as the DMA request. Signed-off-by: Seungwhan Youn <sw.youn@samsung.com> Acked-by: Jassi Brar <jassi.brar@samsung.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/s3c24xx/s3c-pcm.c')
-rw-r--r--sound/soc/s3c24xx/s3c-pcm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/s3c24xx/s3c-pcm.c b/sound/soc/s3c24xx/s3c-pcm.c
index 825645fbe4de..eadd1bebfe83 100644
--- a/sound/soc/s3c24xx/s3c-pcm.c
+++ b/sound/soc/s3c24xx/s3c-pcm.c
@@ -102,11 +102,14 @@ 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;