[Unit]
Description=Give ownership of backlight level to 'backlight' group

[Service]
ExecStartPre=sudo chown root:backlight /sys/class/backlight/intel_backlight/brightness
ExecStart=sudo chmod 664 /sys/class/backlight/intel_backlight/brightness
#ExecStart=/var/home/jpm/scripts/sway/blc.pl -d

[Install]
WantedBy=default.target