Bug#506644: [Pkg-utopia-maintainers] Bug#506644: gnome-power-manager: Brightness applet does not change brightness

Julien Cristau jcristau at debian.org
Fri Dec 5 14:23:58 UTC 2008

On Fri, Dec  5, 2008 at 14:37:35 +0100, Josselin Mouette wrote:

> Le vendredi 05 décembre 2008 à 14:26 +0100, Michael Biebl a écrit :
> > Josselin Mouette wrote:
> > > X & Utopia people: do you know what it means when neither g-p-m (through
> > > HAL) nor xbacklight (through XRandR) work to change the backlight of a
> > > display? Is it a problem in the kernel?
> > I can't control my backlight either (never could). Afaik it's because this
> > function is hard wired and not controllable by software on my laptop.
> > 
> > But if you say, that it worked for you before, than this is something different.
> The original report was about a regression for a Sony model, yes.
> On my laptop (a Fujitsu-Siemens one), this never worked with HAL but
> used to work with XRandR. Which is why I’m suspecting some change in the
> kernel, but I’m not sure how this is done in the X server.
What's the value of the BACKLIGHT_CONTROL randr property in the
working/non-working cases?  (xrandr --prop will list it)


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