PCM audio ops may be called when the stream is not supported. We should not call the ops in that case to avoid unexpected behavior.

hw_params is handled already in soc-pcm.c

[0] https://lore.kernel.org/alsa-devel/ae06b00a-f3f7-f9d1-0b58-4d71f3394416@linu...

Signed-off-by: Peter Suti peter.suti@streamunlimited.com --- Tested on 6.1 Compile tested on next/master sound/soc/soc-dai.c | 11 +++++++++++ 1 file changed, 11 insertions(+)

diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c index 02dd64dea179..73a97ac6ccb8 100644 --- a/sound/soc/soc-dai.c +++ b/sound/soc/soc-dai.c @@ -424,6 +424,9 @@ int snd_soc_dai_startup(struct snd_soc_dai *dai, { int ret = 0;

+ if (!snd_soc_dai_stream_valid(dai, substream->stream)) + return 0; + if (dai->driver->ops && dai->driver->ops->startup) ret = dai->driver->ops->startup(substream, dai); @@ -439,6 +442,9 @@ void snd_soc_dai_shutdown(struct snd_soc_dai *dai, struct snd_pcm_substream *substream, int rollback) { + if (!snd_soc_dai_stream_valid(dai, substream->stream)) + return; + if (rollback && !soc_dai_mark_match(dai, substream, startup)) return;

@@ -603,6 +609,8 @@ int snd_soc_pcm_dai_prepare(struct snd_pcm_substream *substream) int i, ret;

for_each_rtd_dais(rtd, i, dai) { + if (!snd_soc_dai_stream_valid(dai, substream->stream)) + continue; if (dai->driver->ops && dai->driver->ops->prepare) { ret = dai->driver->ops->prepare(substream, dai); @@ -619,6 +627,9 @@ static int soc_dai_trigger(struct snd_soc_dai *dai, { int ret = 0;

+ if (!snd_soc_dai_stream_valid(dai, substream->stream)) + return 0; + if (dai->driver->ops && dai->driver->ops->trigger) ret = dai->driver->ops->trigger(substream, cmd, dai);