From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Date: Fri, 21 Sep 2012 23:39:05 +0000 (-0500)
Subject: ALSA: hda - force use of SSYNC bits
X-Git-Tag: v3.7-rc1~81^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=172d3b209622785ce7c4f4104319df06d9814b62;p=pandora-kernel.git

ALSA: hda - force use of SSYNC bits

SSYNC bits are typically used to start multiple
streams synchronously. It makes sense to use them
for a single stream for a more predictable startup
sequence. The transfers only start once the DMA and
FIFOs are ready. This results in a better correlation
between timestamps and number of samples played.

Credits to Kar Leong Wang for suggesting this
improvement.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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