From: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Date: Fri, 25 Mar 2011 02:25:47 +0000 (+1300)
Subject: ALSA: asihpi - Improve non-busmaster adapter operation
X-Git-Tag: v2.6.39-rc1~32^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26aebef420f8036213419b8a46e3a07db51439cd;p=pandora-kernel.git

ALSA: asihpi - Improve non-busmaster adapter operation

Make playback silence callback a no-op, card automatically outputs
silence when written data runs out.
Increasing update interval and thus minimum period avoids xrun on startup
or because of timer jitter.

Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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