GNOME brightness control worked in 2.6.28-4.10 but is no longer functional in 2.6.28-5.15.
Just two brightness settings are left and both are quite unusable.
This seems to be the corresponding changelog entry:
linux (2.6.28-5.13) jaunty; urgency=low
[ Andy Whitcroft ]
* Revert "SAUCE: don't use buggy _BCL/_BCM/_BQC for backlight control"
GNOME brightness control worked in 2.6.28-4.10 but is no longer functional in 2.6.28-5.15.
Just two brightness settings are left and both are quite unusable.
This seems to be the corresponding changelog entry:
linux (2.6.28-5.13) jaunty; urgency=low
[ Andy Whitcroft ]
* Revert "SAUCE: don't use buggy _BCL/_BCM/_BQC for backlight control"