ACPI video output
acpivout* at acpivideo?
acpivout driver supports brightness
adjustment. It allows brightness to be adjusted either using a brightness
hotkey or the
wsconsctl(8) variable “display.brightness”.
acpi(4), acpivideo(4), intro(4), wsconsctl(8)
acpivout driver first appeared in
acpivout driver was written by