powerdevil

USE flags

• brightness-control - Enable screen brightness control using app-misc/ddcutil
• caps - Use Linux capabilities library to control privilege
• debug - Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
• handbook - Enable handbooks generation for packages by KDE
• wireless - Enable wireless energy saving actions via kde-frameworks/bluez-qt and kde-frameworks/networkmanager-qt