I have NanoPi Neo2 with DietPi and usb-spdif converter HiFace Evo.
But there is no usb converter HiFace in Audio Settings of Roon Server:
and in sound cards:
I have NanoPi Neo2 with DietPi and usb-spdif converter HiFace Evo.
What is the output from lsmod with the HiFace plugged in. The module (SND_USB_HIFACE) needs to be compiled with the kernel.