USB-Audio regression on behringer UMC404HD

[Takashi Iwai]

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@suse.de


Takashi