ACPIVOUT(4)               OpenBSD Programmer's Manual              ACPIVOUT(4)

NAME
     acpivout - ACPI video output

SYNOPSIS
     acpivout* at acpivideo?

DESCRIPTION
     The acpivout driver supports brightness adjustment.  It allows brightness
     to be adjusted either using a brightness hotkey or the wsconsctl(8) vari-
     able ``display.brightness''.

SEE ALSO
     acpi(4), acpivideo(4), intro(4), wsconsctl(8)

HISTORY
     The acpivout driver first appeared in OpenBSD 4.6.

AUTHORS
     The acpivout driver was written by Paul Irofti <pirofti@openbsd.org>.

OpenBSD 4.7                      July 14, 2009                               1
