From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 8 Jan 2008 17:00:04 +0000 (+0100)
Subject: [ALSA] Fix PCM write blocking
X-Git-Tag: v2.6.25-rc1~1127^2~152
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa5717f2099aadb2083d5df4d19af8f9685fa03e;p=pandora-kernel.git

[ALSA] Fix PCM write blocking

The snd_pcm_lib_write1() may block in some weird condition:
  - the stream isn't started
  - avail_min is big (e.g. period size)
  - partial write up to buffer_size - avail_min
The patch fixes this invalid blocking problem.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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