I've got a B550 GIGABYTE Aorus Elite AX V2 Motherboard. My OS is Ubuntu 22.04, OpenRGB is 0.9 installed from deb.
lsusb
output:
Bus 001 Device 004: ID 048d:5702 Integrated Technology Express, Inc. ITE Device
Looking at the Fusion 2 USB detector, it should be picked up by OpenRGB. Latest udev rules are installed and my mouse is picked up, but nothing else.