Now from Ubuntu 24.04 can change brightness using
- From Ubuntu Desktop session (wayland): `sudo ddcutil setvcp 10 5 --display 1`.
- From Xorg session: `xrandr --output HDMI-1 --brightness 0.5`.
The idea is that the brightness change could be done in a friendly way
from the gnome screen
** Package changed: ubuntu => gnome-control-center (Ubuntu)
** Changed in: gnome-control-center (Ubuntu)
Importance: Undecided => Low
** Changed in: gnome-control-center (Ubuntu)
Status: New => Triaged
** Bug watch added: gitlab.gnome.org/GNOME/gnome-control-center/-/issues #1209
Now, from wyland can not change brightness.
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https://bugs.launchpad.net/bugs/1967335
Title:
Brightness is not show in desktop mode
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