[Unit]
Description=Run CEC actions for sleep
DefaultDependencies=no
Before=systemd-suspend.service systemd-hibernate.service systemd-hybrid-sleep.service systemd-suspend-then-hibernate.service sleep.target

[Service]
Type=oneshot
ExecStart=-/usr/bin/cec-control onsleep

[Install]
WantedBy=suspend.target hibernate.target hybrid-sleep.target suspend-then-hibernate.target