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?
Install "evtest" and try watching various sources to see if you get a
reaction when pressing the keys.
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