On Tue, 03 Jan 2023 14:10:46 +0100, Michael Ralston wrote: > > Working, 6.0.16-lqx1 > https://hastebin.com/omoqasiqek.apache > > Not working, 6.1.1-arch1-1.1 > https://hastebin.com/itasefinaz.apache > > I built the working kernel myself with patched sources. Let me know if > you'd like me to run a test with any particular kernel build or > version. Thanks, that's helpful. Could you try to revert the commit 9902b303b5ade208b58f0dd38a09831813582211 ALSA: usb-audio: Avoid unnecessary interface change at EP close as a blind shot? Also, there has been a series of fixes for other issues, and it might be worth to try as well: https://lore.kernel.org/r/20230102170759.29610-1-tiwai@xxxxxxx Takashi