Comment 5 for bug 606547

I can confirm this issue also affects the Toshiba R700. If this should be filed upstream can someone recommed where?

It seems the hardware power cycle (shutdown or suspend to disk) is the only way to regain brightness control. The toshest util enables changing the brightness and turning off the backlight before a suspend to ram, but after resuming turning the backlight off and on give odd results dimming and undimming at steps untill the intensity doesn't alter.

 http://ubuntuforums.org/showthread.php?p=9710352