On Thu, 11 Feb 2010, Clemens Ladisch wrote: >> Do you mean that PA only wake up once when configure sound card to use two >> periods per buffer ? > > When using two periods per buffer, ALSA tries to wake up PA two times. > However, PA ignores the sound card's interrupts and is woken up by its > own timer. PA can drive the wake-ups using avail_min sw parameter. If this value is high enough, no userspace wake up is called, only interrupt is processed and internal ring buffer pointers in the driver are updated. Jaroslav ----- Jaroslav Kysela <perex@xxxxxxxx> Linux Kernel Sound Maintainer ALSA Project, Red Hat, Inc. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
