On Mon, Jun 10, 2024 at 05:45:52PM -0700, Lars-Peter Clausen wrote: > On 6/10/24 03:56, Jai Luthra wrote: > > Sometimes the stream may be stopped due to XRUN events, in which case > > the userspace can call snd_pcm_drop() and snd_pcm_prepare() to stop and > > start the stream again. > > In these cases, we must wait for the DMA channel to synchronize before > > marking the stream as prepared for playback, as the DMA channel gets > > stopped by snd_pcm_drop() without any synchronization. > We should really implement the sync_stop() PCM callback and let the ALSA > core let care of the sync. Good point, that's a better idea.
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