> > Hi Pierre/Takashi, > > > > The DAPM_STREAM_START event is still there in soc_pcm_prepare() and > > this patch only removed the duplicate call in > > dpcm_fe_dai_prepare(). > > Ah, thanks, I see now. > > But note that the PCM prepare callback may be called multiple times > in > row; i.e. it's not always paired with hw_clean (that is via either > hw_params error path or hw_free). So if the balance really matters, > we need another type of checks, not relying on the call pattern. Hi Takashi, It seems like it is indeed a problem with prepare not being paired with hw_free. Adding the stream_stop() event back to dpcm_fe_dai_shutdown() as it was before seems to resolve the issue. I am running further tests to confirm it doesnt have adverse effects on SOF. Will post the patch shortly. Thanks, Ranjani
