From: Jaroslav Kysela <perex@perex.cz>
Date: Tue, 11 May 2010 10:10:47 +0000 (+0200)
Subject: [ALSA] snd-hda-intel: Improve azx_position_ok()
X-Git-Tag: v2.6.35-rc1~478^2~1^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f48f606d9f85a8b25c716082c73c36e9ff6f0cde;p=pandora-kernel.git

[ALSA] snd-hda-intel: Improve azx_position_ok()

Add back the zero return value (activate workqueue) when
bdl_pos_adj is nonzero for position check.

Do the position related check only for first next period
using wallclk counter.

Return -1 value (ignore interrupt) when period_bytes
variable is zero.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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