ALSA: usb-audio: fix delay account during pause

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When a playback stream is paused, the stream isn't actually stopped,
thus we still need to take care of the in-flight data amount for the
delay calculation.  Otherwise the value of subs->last_delay is no
longer reliable and can give a bogus value after resuming from pause.
This will result in "delay: estimated XX, actual YY" error messages.

Also, during pause after all in flight data are processed
(i.e. last_delay = 0), we don't have to calculate the actual delay
from the current frame.  Give a short path in such a case.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Takashi Iwai 2012-11-23 16:00:37 +01:00

parent 3f94fad095

commit 48779a0b8f

1 changed files with 17 additions and 1 deletions

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sound/usb/pcm.c

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