[alsa-devel] [PATCH] ASoC: tlv320aic31xx: Fix master mode clock I2S bus clocks

[Mark Brown]

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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