ACPIVOUT(4) BSD Kernel Interfaces Manual ACPIVOUT(4)
acpivout -- ACPI video output
acpivout* at acpivideo?
The acpivout driver supports brightness adjustment. It allows brightness
to be adjusted either using a brightness hotkey or the wsconsctl(8) vari-
acpi(4), acpivideo(4), intro(4), wsconsctl(8)
The acpivout driver first appeared in OpenBSD 4.6.
The acpivout driver was written by Paul Irofti <email@example.com>.
BSD July 16, 2013 BSD