Bug#577809: gnome-power-manager: Birghtness applet no longer works

[Alexander Kurtz]

# change title since the automatic adjustments don't work either
retitle 577809 gnome-power-manager: Brightness control no longer works
# for more info see below
tags 577809 patch
# for reasons see below
severity 577809 serious
thanks

Am Dienstag, den 20.04.2010, 13:02 +0200 schrieb Alexander Kurtz: 
> The issue might be related to g-p-m no longer being built with with
> support for HAL.

That seems to be it, since the attached patch fixes the issue at least
for me on my HP Compaq 615. 

I'm raising the severity because of two reasons:

* on this machine the Fn-keys for adjusting the brightness don't work, 
  so with g-p-m not working either I have no way to adjust the display 
  brightness.
  Combined with the fact that the brightness is set to minimal after   
  suspending this makes the machine unusable until a reboot.

* the Archlinux bug report[1] mentions two laptops with
  broken brightness control - so I think we have at least four *very*
  different machines where brightness control doesn't work without hal:
  ThinkPads, Macbooks, Toshiba Notebooks and HP Compaq Notebooks. 

Like Brian Johnson[2] I think that more or less all laptops have lost
brightness functionality in g-p-m. However, if the maintainer disagrees,
don't hesitate to lower the severity.

Best Regards

Alexander Kurtz 

[1] http://bugs.archlinux.org/task/19093
[2] http://bugs.archlinux.org/task/19093#comment60548



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