From: Daniel Mack <daniel@caiaq.de>
Date: Tue, 10 Mar 2009 15:41:00 +0000 (+0100)
Subject: ASoC: don't touch pxa-ssp registers when stream is running
X-Git-Tag: v2.6.30-rc1~8^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cbf1146d5ee113152c5cdeb54ff9d4b2f0c91736;p=pandora-kernel.git

ASoC: don't touch pxa-ssp registers when stream is running

In pxa_ssp_set_dai_fmt(), check whether there is anything to do at all.
If there would be but the SSP port is in use already, bail out.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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