On Mon, 2009-12-28 at 15:59 +0100, Sylvain Defresne wrote: > Hello, > > In 2006 a property laptop_panel.brightness_in_hardware was added to > HAL [1] to inform client of different handling of the bightness > control key by the BIOS (some BIOSes forward the event to the > userspace, some handle them directly, some both handle them and > forward them to userspace).
We've never used the HAL property for brightness control in X. > However, now that HAL is currently deprecated in favor of DeviceKit, > and XRandR for controlling the brightness, the difference of handling > of the brightness control key is once more causing bug in userspace > (see [2], [3] but it is not specific to gnome-power-manager, it also > affect kde user). So there is a need to one more time address this > issue by using a database to inform daemon of how the brightness event > is handled by the BIOS. > > I'm willing to help with this issue as I've got one of the affected > BIOS (MSI Wind U100). However I'm not familiar with DeviceKit nor > XRandR, and don't know in which project I need to add this > caracterisation of the BIOS and exposition of the equivalent of the > laptop_panel.brightness_in_hardware property ? The brightness control should be internally routed in the kernel to be a DRM output property, which the X server then proxies through as a RANDR output property. DeviceKit doesn't get involved here, just make the kernel do the right thing. - ajax
signature.asc
Description: This is a digitally signed message part
_______________________________________________ xorg-devel mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-devel
