This is a very unusual device for LE, because LE is made for playing media, not recording. I would guess the driver is missing. Most people with unusual hardware try to make it work on Raspbian first, because, unlike LE, Raspbian is made for all types of input devices.
Take into account that cameras are time-critical (latency issues). It's very likely that RPi's camera-over-USB is too slow. RPi's have an own port for cameras, so using USB is generally a bad idea.