Playback or capture errors are seen when clock is reset during an active stage of DAI. Presently this scenario happens when DAI has both playback and capture sessions running and one of these finishes first which will be followed by clock rate reset. The remaining active session will be affected in such case.

Address this problem by allowing clock rate reset to happen only when the DAI is no more active.

Signed-off-by: Sameer Pujar spujar@nvidia.com --- sound/soc/generic/simple-card-utils.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index a4babfb..6a5faaf 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -272,15 +272,19 @@ void asoc_simple_shutdown(struct snd_pcm_substream *substream) int i;

for_each_prop_dai_cpu(props, i, dai) { - if (props->mclk_fs && !dai->clk_fixed) - snd_soc_dai_set_sysclk(asoc_rtd_to_cpu(rtd, i), + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, i); + + if (props->mclk_fs && !dai->clk_fixed && !snd_soc_dai_active(cpu_dai)) + snd_soc_dai_set_sysclk(cpu_dai, 0, 0, SND_SOC_CLOCK_IN);

asoc_simple_clk_disable(dai); } for_each_prop_dai_codec(props, i, dai) { - if (props->mclk_fs && !dai->clk_fixed) - snd_soc_dai_set_sysclk(asoc_rtd_to_codec(rtd, i), + struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, i); + + if (props->mclk_fs && !dai->clk_fixed && !snd_soc_dai_active(codec_dai)) + snd_soc_dai_set_sysclk(codec_dai, 0, 0, SND_SOC_CLOCK_IN);

asoc_simple_clk_disable(dai);