From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 16 Jan 2015 12:03:28 +0000 (+0100)
Subject: ALSA: ak411x: Fix race of reinit() calls
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~130^2~29^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1781e78c63317c04e6ae6a076acfd53236f420bc;p=pandora-kernel.git

ALSA: ak411x: Fix race of reinit() calls

Protect the call with a mutex, as this may be called in parallel
(either from the PCM rate change and the clock change).

Acked-by: Jaroslav Kysela <perex@perex.cz>
Tested-by: Pavel Hofman <pavel.hofman@ivitera.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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