Chris Caudle wrote: > I just saw that this is probably going in the 5.14 kernel: > https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?h=for-next&id=9ce650a75a3b262c90789b42aedee8fc2ee04d53 > > "USB-audio driver behaves a bit strangely for the playback stream -- > namely, it starts sending silent packets at PCM prepare state while > the actual data is submitted at first when the trigger START is kicked > off. [...] > This patch tries to revert the workaround and lets the URB submission > starting at PCM trigger for the playback again. Please note that this reduces only the time between the stream being started and the first sample actually being played. It does _not_ reduce the latency in the steady state, because the USB queue length does not change. Regards, Clemens _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user
