[alsa-devel] [PATCH 1/3] ASoC: omap-mcpdm: Replace legacy driver

Péter Ujfalusi peter.ujfalusi at ti.com
Thu Jul 7 19:19:09 CEST 2011

On Thursday 07 July 2011 18:53:29 Mark Brown wrote:
> Sounds like runtime PM ought to be able to handle this, though?  If you
> need to sync with the ABE can the ABE take PM references to the DAIs
> it's talking to?

It is not (just?) the ABE, but rather the twl6040 codec, which needs this 
deferred stopping of the PDM interface. AFAIK.

> I guess the ABE will be happier if everything it's
> talking to runs for longer than it does.  Or the DAI could switch into
> autosuspend mode when it goes idle to do the delay.


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