From: Andy Green <andy@openmoko.com>
Date: Fri, 13 Jun 2008 15:24:05 +0000 (+0100)
Subject: ALSA: ASoC: Don't block system resume
X-Git-Tag: v2.6.27-rc1~1111^2~78
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6ed2597883b1b03ca94f62f0cfe908314cba6d6b;p=pandora-kernel.git

ALSA: ASoC: Don't block system resume

On OpenMoko soc-audio resume is taking 700ms of the whole resume time of
1.3s, dominated by writes to the codec over I2C.  This patch shunts the
resume guts into a workqueue which then is done asynchronously.

The "card" is locked using the ALSA power state APIs as suggested by
Mark Brown.

[Added fix for race with resume to suspend and fixed a couple of nits
from checkpatch -- broonie.]

Signed-off-by: Andy Green <andy@openmoko.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---

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