From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: Re: [PATCH v2 1/2] ASoC: core: Add flag to ignore
 pmdown_time at pcm_close
Date: Fri, 21 Oct 2011 20:41:31 +0100
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To: "Nallasellan, Singaravelan" <singaravelan.nallasellan@intel.com>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>, "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>, Liam Girdwood <lrg@ti.com>, "Babu, Ramesh" <ramesh.babu@intel.com>, Misael Lopez Cruz <misael.lopez@ti.com>
List-Id: alsa-devel@alsa-project.org

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.