app-misc/ddccontrol
Control monitor parameters, like brightness, contrast, RGB color levels via DDC
USE Flags
doc
Global: Adds extra documentation (API, Javadoc, etc)
gui
Global: Build some GUI components (inside the guest window).
nls
Global: Adds Native Language Support (using gettext - GNU locale utilities)
+pci
* This flag is undocumented *
gtk
Global: Adds support for x11-libs/gtk+ (The GIMP Toolkit)
static-libs
Global: Build static libraries