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ACPIVOUT(4)              BSD Kernel Interfaces 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>.

BSD                              July 16, 2013                             BSD