In case anyone reads this, I fixed it myself:
1., I upgraded to kernel 4.18.5 (has probably nothing to do with it).
2., I updated the Firmware on the PX headphones.
3. Then I commented out the complete quirk for the PX in
"quirks-table.h", recompiled the snd-usb-audio module and loaded it.
4. C
On Tue, 28 Aug 2018 18:28:06 +0200,
Philipp Ludwig wrote:
>
> In case anyone reads this, I fixed it myself:
>
> 1., I upgraded to kernel 4.18.5 (has probably nothing to do with it).
>
> 2., I updated the Firmware on the PX headphones.
>
> 3. Then I commented out the complete quirk for the PX in
