#!/bin/sh

set -eu

export DISPLAY=:0

mode=${1:-}

case "$mode" in
  off)
    xset dpms force standby
    ;;
  on)
    xset s reset
    xset s 0 0
    xset s off
    xset s noblank
    xset dpms 0 0 0
    xset -dpms
    xset dpms force on
    ;;
  *)
    echo 'Usage: puavo-tv-display on|off' >&2
    exit 1
    ;;
esac
