[alsa-devel] [PATCH v2 1/2] ASoC: core: Add flag to ignore pmdown_time at pcm_close

[Mark Brown]

On Fri, Oct 21, 2011 at 02:40:04PM +0530, Babu, Ramesh wrote:

> In my device, clock to the codec is coming from modem (for voice call use case).  After voice call termination, application
> Calls snd_pcm_close for voice device and then turns off the modem clock.  Since clock is turned-off while
> Widgets are still on (power down deferred by pmdown_time), I am noticing the glitches.

This clearly isn't something that should be set in the CODEC driver,
it's a system integration issue - on a different board there might be no
such requirement.