Ubuntu
gnome-power-manager package

  1. Bug #406515
  2. Comment #63

Comment 63 for bug 406515

Revision history for this message
Paul Dufresne (paulduf) wrote : Re: [Karmic] Brightness fn keys lost functionality (multiple laptops)

From bug #503577, on a Dell mini 10, 'apci_backlight=vendor' kernel parameter seems to make it work.
"acpi_backlight= [HW,ACPI]
acpi_backlight=vendor
acpi_backlight=video
If set to vendor, prefer vendor specific driver
(e.g. thinkpad_acpi, sony_acpi, etc.) instead
of the ACPI video.ko driver."