[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 10:31:40PM +0530, Nallasellan, Singaravelan wrote:

Fix your mailer to word wrap within paragraphs and don't top post when
posting to public mailing lists.

> I think the requirement is to delay the power down the link during the
> music playback. There is a possibility that next song will start
> playing sooner. In this case, try to avoid power down and power up the
> DAI immediately. In case of voice call, it is not expected to have
> voice call immediately after a call. It can be closed. Phone stack can
> go ahead and close the modem path but codec path will still be open.
> This will cause glitches.

You can't decide this on the basis of the DAI, though - the system
integrator may have thought of another use for the DAI.