tree e4a90a134de790626c6da706bda1379eef7b89a6
parent 59ff878ffb26bc0be812ca8295799164f413ae88
author Clemens Ladisch <clemens@ladisch.de> 1290070387 +0100
committer Takashi Iwai <tiwai@suse.de> 1290410057 +0100

ALSA: pcm: optimize xrun detection in no-period-wakeup mode

Add a lightweight condition on top of the xrun checking so that we can
avoid the division when the application is calling the update function
often enough.

Suggested-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>