Ubuntu
xserver-xorg-video-intel package

  1. Bug #381461
  2. Comment #11

Comment 11 for bug 381461

Revision history for this message
Kieran Hogg (xerosis) wrote :

Before and after changing the brightness:

        BACKLIGHT_CONTROL: native
        supported: native legacy combination kernel
        BACKLIGHT: 296 (0x00000128) range: (0,296)

        BACKLIGHT_CONTROL: native
        supported: native legacy combination kernel
        BACKLIGHT: 272 (0x00000110) range: (0,296)

All the files called brightness contain <not supported>.

This bug has the particularly annoying side-effect of turning the brightness all the way down leaving the computer unusable without a reboot.