Ubuntu
gnome-power-manager package

  1. Bug #762670
  2. Comment #14

Comment 14 for bug 762670

Revision history for this message
Olivier (olagache) wrote :

The value in files
  - /sys/class/backlight/acpi_video0/brightness
  - /sys/class/backlight/acpi_video0/actual_brightness

changes (from 0 to 15) when using Fn Keys but not the brightness of screen. The OSD appear only when value is equals to 15.