> Intel should spec "to change screen brightness, write a value from 0 to 0xFF to this register" There is already (mostly Intel made) spec for this kind of thi

> Intel should spec "to change screen brightness, write a value from 0 to 0xFF to this register" There is already (mostly Intel made) spec for this kind of things. It's called ACPI. Which by the way Samsung started (partially) using not so long time a ago. Reason for that was that Microsoft was going to stop selling them Windows 7 OEM licenses unless Samsung starts using ACPI.