Public bug reported:
Apple PowerBook G4 (5,4)
Ubuntu 7.04 (PPC) updated as of 06/02/07
This is a regression in performance Edgy --> Feisty.
Brightness controls (on F1 & F2) behave extremely erratically. One press of the
brightness down key turns off the display even when at maximum brightness
instead of stepping it down by one.
The brightness up key only works if it is held down - it does not step
up brightness when pressed once.
None of the brightness controls register properly in GNOME - although
the brightness indicator overlay appears, the brightness bar is empty
and is not used at all.
Both of these things worked fine in Edgy - they have been broken in the
transition to Feisty.
In addition, there is no smoothness of brightness change at all, when
turning off the display or changing of brightness levels.
** Affects: Ubuntu
Importance: Undecided
Status: Unconfirmed
--
LCD brightness control very poor
https://launchpad.net/bugs/83577
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