Brightness controls not working within openSUSE KDE

[dosssman]

Greetings.

Do the other keys work ? Like Volume Uo / Down for example ?

Also had the same problem, this fix might help:

[SOLVED-GUIDE] 12th gen not sending XF86MonBrightnessUp / Down

this is a linux kernel problem that is kind of tricky to solve. As the way the linux kernel is written devices can be either registered as a hid-sensor or libinput device, but we have a compound device that is both. If you look at dmesg on boot you will see the ec hid endpoint is registered as a libinput device and then taken over by the hid-sensor-hub driver. I have a thread with some of the linux hid subsystem maintainers, and the conclusion is the way the Linux Kernel is currently written, …