From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 12 Jan 2009 09:09:24 +0000 (+0100)
Subject: ALSA: hda - Use own workqueue
X-Git-Tag: v2.6.29-rc2~112^2~1^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6acaed38a32e8571e92cfc832b971f9e4450c207;p=pandora-kernel.git

ALSA: hda - Use own workqueue

snd-hda-intel driver used schedule_work() fot the delayed DMA pointer
updates, but this has several potential problems:
- it may block other eventsd works longer
- it may deadlock when probing fails and flush_scheduled_work() is
  called during probe callback (as probe callback itself could be
  invoked from eventd)

This patch adds an own workq for each driver instance to solve these
problems.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
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