[Bug 311436] Re: Backlight can't be set, although possible using "xbacklight"

[Adam]

KDE4 probably tries to detect acpi method of brightess control, kpowersave on KDE3.5 do the same I think.
On Samsung NC10 there is no acpi method for brightness control, but Gnome uses xrandr to communicate with hal to control display. Kpowersave says there is no brightness control, and it's the same with powerdevil on KDE4. Adding xrandr support to powerdevil would do the trick.

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Backlight can't be set, although possible using "xbacklight"
https://bugs.launchpad.net/bugs/311436
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