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authorInha Song <ideal.song@samsung.com>2014-10-13 10:04:01 +0900
committerInha Song <ideal.song@samsung.com>2014-10-15 17:17:31 +0900
commitd4e0c02ded93c433f1744afe58e6530b836795a8 (patch)
tree3dd928fdabe77df679a6af85f022481b5710c85a
parent9a48d69368c423620dc265352fe10aac0ca9b8eb (diff)
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ASoC: samsung: dma: reduce period_bytes value for playback stability
This patch reduce period_bytes_min to 128 bytes and period_bytes_max to 1K bytes. If period_bytes values is too large, underrun error occures in PULSEAUDIO. I/PULSEAUDIO( 1619): alsa-sink.c: Underrun! Change-Id: I33fd95d4748b2016740dd673108377181726df66 Signed-off-by: Inha Song <ideal.song@samsung.com>
-rw-r--r--sound/soc/samsung/dma.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c
index 156e234f1d6..fa31d1784f4 100644
--- a/sound/soc/samsung/dma.c
+++ b/sound/soc/samsung/dma.c
@@ -44,10 +44,11 @@ static const struct snd_pcm_hardware dma_hardware = {
.channels_min = 2,
.channels_max = 2,
.buffer_bytes_max = 128*1024,
- .period_bytes_min = PAGE_SIZE,
#ifdef CONFIG_SND_SOC_RINATO_YMU831
- .period_bytes_max = 20*1024,
+ .period_bytes_min = 128,
+ .period_bytes_max = 1024,
#else
+ .period_bytes_min = PAGE_SIZE,
.period_bytes_max = PAGE_SIZE*2,
#endif
.periods_min = 2,