clight : A C daemon that turns your webcam into a light sensor ( https://github.com/FedeDP/Clight )
clightd : A linux bus interface for screen settings (brightness, gamma, etc.) ( https://github.com/FedeDP/Clightd )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a ferki
For Paludis use this rsync : rsync://gentoo.zugaina.org/ferki-portage
If you have a problem : ycarus(-at-)zugaina.org