On Wed, 09 Dec 2020 13:10:17 +0100, meschi@xxxxxxxxx wrote: > > > Then try to pass implicit_fb=1 option to snd-usb-audio module. > > It's a new option that was added recently. > > > > > > Takashi > > Nice, that did the trick. there was a small glitch on first playback > but I can not reproduce it now. Playback seems glitch-free now. I will > test it with pulseaudio in the gui if I can. It's not quite easy to > test, because the system locks up after a while with the new kernel > and gnome 3. I will also test concurrent playback and recording, > too. Thank you very much, that was a huge help! Good to hear. If the implicit_fb option works, we can add a static quirk table entry easily. Just add IMPLICIT_FB_GENERIC_DEV() with the device ID to playback_implicit_fb_quirks[] table in sound/usb/implicit.c. Takashi
