Currently I am using following to control external monitor brightness
xrandr --output HDMI-1-2 --brightness 0.65
which is handles brightness from software not from hardware.
Problem with xrandr
- Does not persist the changes
- Changes get reverted after some time
- Just software level brightness control
- Not supported in Wayland
Is there any better way to control external monitor/s brightness in Fedora while mitigating these issues?