[Bug 205501] x11/xorg fails to handle Logitech Illuminated Keyboard multimedia uhid.

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205501

--- Comment #8 from Jan Beich <jbeich at FreeBSD.org> ---
(In reply to Jan Beich from comment #5)
> ...doesn't support USB HID devices at all.
                   ^^^
"generic" is the missing word. Multimedia keys on USB keyboards, USB joysticks,
etc. are handled by uhid driver on both Linux and FreeBSD. However, FreeBSD
doesn't recognize many HID report descriptors thus usbhidaction(1) rarely
works. webcamd can fill this gap but requires porting effort. OTOH, evdev in
kernel is limited in what it supports: kbdmux, atkbd (x86), ukbd, ums, ti_adc
(arm), rpi_ft5406 (arm). Of note, uhid(4) is not supported by evdev but can be
emulated[1].

[1] https://github.com/jiixyj/evdevfbsd/blob/master/backend-uhid.c

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