Hi > [...] > > I have a laptop with dedicated brighness keys (HP Pavilion > > 15-cx0598na). I believe these keys are handled by hp_wmi. > > > > Whenever I press (and release) one of the brightness keys, this message > > appears in the journal: > > ``` > > [50761.461630] atkbd serio0: Unknown key pressed (translated set 2, > > code 0xab on isa0060/serio0). > > [50761.461637] atkbd serio0: Use 'setkeycodes e02b <keycode>' to make > > it known. > > [50761.492161] atkbd serio0: Unknown key released (translated set 2, > > code 0xab on isa0060/serio0). > > [50761.492168] atkbd serio0: Use 'setkeycodes e02b <keycode>' to make > > it known. > > ``` Can you see any messages generated by the hp-wmi driver when these key presses occur? > > Now, this is not that interesting at first, I obviously just need to > > map a keycode. The confusing part is that for both the brightness up > > AND the brightness down key I get the same code (e02b). I am not to > > sure how to debug this behavior but I would appreciate if someone > > helped investigate this issue. > > > > I am not sure if this is relevant, but my RFKILL key does not work > > either (but does not show anything in journal). > > Could you please run `evtest` and see if you have a "HP WMI hotkeys" input device? If so, please select it, and then press the function keys and see if any events appear. Furthermore, you could install `acpid`, start it (something along the lines of `sudo systemctl start acpid`), then run `acpi_listen` and see if you get anything when you press the keys. > > Here is a link to acpidump: > > https://www.dropbox.com/s/ulyltq0gz35s79l/acpidump?dl=0 > > > > ::: Rhys Perry ::: > > Sorry if this is breaking kernel mailing list etiquette, but I am > posting this question again as I did not get a response last time. > Regards, Barnabás Pőcze
