On Mon, 15 Jul 2024 at 10:34, Samuel Sieb <samuel@xxxxxxxx> wrote:
On 7/15/24 1:23 AM, Iñaki Ucar wrote:
>
>
> On Mon, 15 Jul 2024 at 09:56, Samuel Sieb <samuel@xxxxxxxx
> <mailto:samuel@xxxxxxxx>> wrote:
>
> On 7/11/24 4:08 AM, Iñaki Ucar wrote:
> > 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
>
> You will need to find out what the keys trigger.
> Do you see any messages in the journal when you press the keys?
>
>
> Nothing in the journal.
>
> Install "evtest" and try watching various sources to see if you get a
> reaction when pressing the keys.
>
>
> Nothing either. I tried monitoring the keyboard as well as the event fd
> called "LG WMI hotkeys", and those keys trigger nothing. :( Does this
> mean that it's a kernel issue?
Probably. Do you have the "lg-laptop" kernel module loaded?
I do:
$ lsmod | grep lglg_laptop 32768 0
sparse_keymap 12288 1 lg_laptop
i2c_algo_bit 20480 2 xe,i915
wmi 36864 3 video,lg_laptop,wmi_bmof
Iñaki Úcar
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