Can only set 0% or 100% display brightness using keyboard

Bug #64708 reported by Alexander Hunziker on 2006-10-08
Affects Status Importance Assigned to Milestone
gnome-power-manager (Ubuntu)

Bug Description

This is on Edgy Beta, using a Thinkpad T60.

I can set the display brightness using the Fn keys on the keyboard, however, as soon as I press the button to lower the brightness, it goes down to 0%, not just down a bit. Same thing with the up key: it goes all the way up instead of increasing a little only.

Using the power-manager GUI i can set any brightness, even though the gauge shows up when dragging the sliders and shows strange values sometimes.

Just skimmed through the ChangeLog of gnome-power-manager on CVS:

Probably this commit fixes that? Not sure whether this is going into 2.16.x or in 2.18? If 2.18, maybe Ubuntu can patch that?

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