debian/etc/udev/scripts/hdmi_hotplug.sh - weston-mtk-debian - Git at Google

 #!/bin/bash

 HDMIStatus=$(cat /sys/class/drm/card0-HDMI-A-1/status)

 if [ $HDMIStatus == 'connected' ]; then
 	systemctl restart weston
 else
 	systemctl stop weston
 fi
	#!/bin/bash

	HDMIStatus=$(cat /sys/class/drm/card0-HDMI-A-1/status)

	if [ $HDMIStatus == 'connected' ]; then
	systemctl restart weston
	else
	systemctl stop weston
	fi