Re: [alsa-devel] DPCM: skip DAPM_STREAM_STOP event to BE, if still used by other FE
On Mon, Jul 04, 2016 at 10:26:54AM +0800, KaiChieh Chuang wrote:
On Thu, 2016-06-30 at 03:08 +0800, Mark Brown wrote:
On Sun, Jun 05, 2016 at 02:58:59PM +0800, Kai Chieh Chuang wrote:
The BE receiving SND_SOC_DAPM_STREAM_STOP event, while still used by a FE who is in STREAM_START state. The DAPM will just inactive BE related widget/dai without checking. This just doesn't seems right.
Why not? The backend is still active and running, why would it expect to be stopped unless it's supposed to actually stop?
Yes, I don't expect it to stop. But at this situation, the BE change to state STREAM_STOP while still used by a FE in STREAM_START state.
Shouldn't the BE stay in the STREAM_START state?
Yes, but that sounded like the situation you were describing? It's really hard to follow what you're trying to say here, perhaps just send the fix you're proposing?
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Mark Brown