Hello Iñaki,
I don't know what caused your issue but I had screen brightness issues in
the past and started using a tool called `light` as an alternative to
`xbacklight`.
It is in Fedora https://src.fedoraproject.org/rpms/light. Maybe you want to
try it as a temporary workaround until you find a proper fix.
light -A 10
light -U 10
On Thu, Jul 11, 2024 at 1:09 PM Iñaki Ucar <iu...@fedoraproject.org> wrote:
> Hi all,
>
> The Fn keys to increase/decrease the screen brightness always worked, but
> have stopped working at some point, and the problem is that I have no clue
> what may have caused it, because I don't remember when was the last time I
> used them.
>
> It's an LG Gram running an up-to-date F40 KDE. Not sure if this may be a
> kernel issue, or a Plasma issue, or... Does anyone know how to debug this?
> I see:
>
> $ ls /sys/class/backlight/
> intel_backlight
>
> Other Fn keys work ok, such as volume keys, backlight for the keyboard,
> airplane mode... And I can change the brightness just fine via the Plasma
> "Display brightness" slider. It's just these Fn keys that do not work.
>
> Best,
> --
> Iñaki Úcar
> --
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