@ctuffli I can confirm that my Logitech 920 does work fine with #FreeBSD webcamd including the microphone. I haven't received my 922 yet. I tested it with the #BSDNow studio platform and it was detected without issues in Ungoogled Chromium. Here is what it looks like in dmesg:

uaudio0 on uhub0
uaudio0: <vendor 0x046d HD Pro Webcam C920, class 239/2, rev 2.00/0.11, addr 5> on usbus0
uaudio0: No playback.
uaudio0: Record[0]: 32000 Hz, 2 ch, 16-bit S-LE PCM format, 2x4ms buffer. (selected)
uaudio0: Record[0]: 24000 Hz, 2 ch, 16-bit S-LE PCM format, 2x4ms buffer.
uaudio0: Record[0]: 16000 Hz, 2 ch, 16-bit S-LE PCM format, 2x4ms buffer.
uaudio0: No MIDI sequencer.
pcm3 on uaudio0
uaudio0: No HID volume keys found.