On Tue, Feb 13, 2018 at 01:19:05PM +0200, Peter Ujfalusi wrote: > On 2018-02-12 19:27, Andrew F. Davis wrote: > > Is there no way to communicate the device is muted back to the I2S data > > master to not try to push data? > Not sure I follow you... > If the codec is clock master on the I2S bus, it must provide the clocks > during audio playback/capture. If the codec is muted, it still needs to > provide the clocks as w/o the clocks the CPU will not shift out data, > DMA will stall and the audio will be aborted with timeout. Right, and if userspace finds that audio is paused instead of muted that will really confuse it - A/V sync will be broken, sync with song progress will be broken...
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