Update on DeviceKit
daniel.stone at nokia.com
Wed May 7 09:23:18 PDT 2008
On Wed, May 07, 2008 at 05:03:30PM +0200, ext Lennart Poettering wrote:
> I think it would be best if backlight control is left to X. For some
> graphics cards its already properly exported in XRANDR. XRANDR knows
> about multiple screens, hotplug and stuff, is network transparent and
> so on. It's also much easier for normal desktop apps like cheese to
> use the backlight as a flash if its exported via XRANDR.
> For those devices where backlight control cannot be done via the
> graphics hardware the kernel interfaces should be hooked up to X. And
> there are already many cases were brightness can be controlled via the
> gfx hw (i.e. X) but not via the kernel interfaces.
I fully agree. This is one of the parts of X that I'm not actually
embarassed to recommend people use.
> (Oh, and I'd love to see someone taking
> http://ddccontrol.sourceforge.net/ and making a module for X of it, so
> that we could control the backlight of external LCD screens via XRANDR
> too ;-))
Yeah, we're working on that one, though the usual lack of developers
thing applies. IIRC ajax already has something mostly working.
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