ALSA: PCM - Don't check DMA time-out too shortly
authorTakashi Iwai <tiwai@suse.de>
Thu, 26 May 2011 06:09:38 +0000 (08:09 +0200)
committerTakashi Iwai <tiwai@suse.de>
Thu, 26 May 2011 06:09:38 +0000 (08:09 +0200)
When the PCM period size is set larger than 10 seconds, currently the
PCM core may abort the operation with DMA-error due to the fixed timeout
for 10 seconds.  A similar problem is seen in the drain operation that
has a fixed timeout of 10 seconds, too.

This patch fixes the timeout length depending on the period size and
rate, also including the consideration of no_period_wakeup flag.

Reported-by: Raymond Yau <superquad.vortex2@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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