On Wed, Jan 16, 2019 at 04:52:53PM +0100, Takashi Iwai wrote: > Mark Brown wrote: > > AFAICT it's just making sure that they're available ASAP so they look > > always on to the rest of the system. > Well, but PM prepare is called before PM suspend call. And the whole > ASoC suspend procedure (including PCM suspend, etc) is performed in > the PM suspend callback; i.e. we stop sysclk before doing anything > else... Ah, got it the wrong way round... in that case I frankly have no idea and would expect it to break if we suspend with active audio - it's possibly a bug.
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