Karsten Wiese wrote: > snd-usb-audio uses number_of_packets equalling multiples of 8 currently > when transfering over USB 2.0, no? > If so, with above patch that "multiples of 8"-thing could go away and > snd-usb-audio could achieve up to 8 times less userspace-activation-jitter > in low latency setups like 128 frames/period, 2 periods. I'm using the 8-microframes alignment because ehci-hcd configures the controller to interrupt at most every 1 ms. It has a module option to change this, but as long as snd-usb-audio cannot detect a lower setting, it would not make sense to allow shorter periods. Regards, Clemens _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
