Add support for /sys/class/backlight

[David Zeuthen]

On Fri, 2006-10-06 at 17:07 +0200, Holger Macht wrote:
> The kernel drivers will most likely keep the old /proc system for some
> time because of the same reasons as we do, backward compatibility ;-)

Well... then we probably need some more code to make sure we only add
one laptop_panel object (preferably the one from /sys/class/backlight).
Can you do this?

> No, not yet, at least I didn't get any notifictation and a git clone with
> my account name does not work.

I'll try to poke some people about this.

     David