hal & xbacklight

Jesse Barnes jbarnes at virtuousgeek.org
Sat Mar 1 14:36:20 PST 2008

On Saturday, March 01, 2008 5:43 am Khashayar Naderehvandi wrote:
> Hi,
> I'm suffering some issues with hal and backlight setting on a
> fujitsu-siemens laptop. There is a /sys/class/backlight interface, but it
> doesn't seem to be handled correctly (could it be because the
> fujitsu-laptop module is very new?). However, after adding the
> fujitsu-laptop directory to the list of available interfaces to the intel
> driver, xbacklight works just fine.
> Now, my questions are, why doesn't hal use the xbacklight utility? Are
> there any plans to add it? Is any such change by any chance trivial (read:
> can I go about changing this myself, without coding skills?)

xbacklight depends on X (since it uses the Randr protocol), so making HAL 
depend on it probably isn't a good idea...  As long as HAL and X both use 
sysfs for backlight control though, things should work ok.


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