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[ALSA] snd-hda-intel: Improve azx_position_ok()
author
Jaroslav Kysela
<perex@perex.cz>
Tue, 11 May 2010 10:10:47 +0000
(12:10 +0200)
committer
Jaroslav Kysela
<perex@perex.cz>
Tue, 11 May 2010 10:17:55 +0000
(12:17 +0200)
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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