my DAC supports DSD native instead of DoP. The following lines should be written to quirk.c to make it compatible. Unfortenutaly I do not find “…/sound/usb/quirks.c” in my DietPi to write this two lines:
case USB_ID(0x0644, 0x806b):
case USB_ID(0x0644, 0x806c):
Is there a chance to to it by myself or must I kindky ask the developer for a kernel update?