From: Clemens Ladisch <clemens@ladisch.de>
Date: Tue, 25 May 2010 07:03:40 +0000 (+0200)
Subject: ALSA: hda_intel: fix handling of non-completion stream interrupts
X-Git-Tag: v2.6.35-rc1~253^2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9ef04066b3e7c51ed7edc6010ac039f18f9f3617;p=pandora-kernel.git

ALSA: hda_intel: fix handling of non-completion stream interrupts

Check that the interrupt raised for a stream is actually a buffer
completion interrupt before handling it as one.  Otherwise, memory
errors or FIFO xruns would be interpreted as a pointer update and could
break the stream timing.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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