ALSA: usb-audio: process pending stop at PCM hw_free and close
authorTakashi Iwai <tiwai@suse.de>
Wed, 21 Nov 2012 07:35:42 +0000 (08:35 +0100)
committerTakashi Iwai <tiwai@suse.de>
Wed, 21 Nov 2012 10:43:58 +0000 (11:43 +0100)
commitb0db6063dba4ee02dfda7411ec3aaf8f0fbda0f7
treebf19151e8c414745c8df3684e2a71b12fdeec2ce
parentb2eb950de2f09435d5156f4dc6d5dbf284cd97f3
ALSA: usb-audio: process pending stop at PCM hw_free and close

PCM hw_free and close should wait until all the pending stop
operations have been finished.  Basically only PCM trigger callback
should use non-wait calls.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/pcm.c