diff options
| author |   Padmavathi Venna <padma.v@samsung.com> | 2013-01-24 18:05:31 +0530 |
|---|---|---|
| committer |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-26 15:24:51 +0800 |
| commit | 2d77828d9904494d3c7424189ee38cc07950df5e (patch) | |
| tree | 8aec784777f02ba7f1f23f799a7b279d8eb94b19 | |
| parent | ASoC: samsung: Rename samsung i2s secondary device name (diff) | |
| download | linux-dev-2d77828d9904494d3c7424189ee38cc07950df5e.tar.xz linux-dev-2d77828d9904494d3c7424189ee38cc07950df5e.zip | |
ASoC: Samsung: Add I2S S/W RST in startup function
I2S module need to be reset after S2R. Keeping the S/W rst
control part in resume didn't help in playing audio after resume.
So this patch adds S/W RST control part in startup function which
gets triggered for every new audio stream playback.
Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: R. Chandrasekar <rcsekar@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| -rw-r--r-- | sound/soc/samsung/i2s.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index ed5eeae6a48f..808df74c3248 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -656,6 +656,9 @@ static int i2s_startup(struct snd_pcm_substream *substream, /* Enforce set_sysclk in Master mode */ i2s->rclk_srcrate = 0; + if (!any_active(i2s) && (i2s->quirks & QUIRK_NEED_RSTCLR)) + writel(CON_RSTCLR, i2s->addr + I2SCON); + spin_unlock_irqrestore(&lock, flags); return 0; |