I only wish that my GT1 Ultimate box worked in this manner... When I turn on the TV and It's trying to connect to video source which is my Beelink last, it doesn't wake up the Beelink box. I've tried multiple times, to no avail.
Yes.., I do have HDMI CEC enabled.
Beelink GT1 Mini (95X2) w/CoreELEC & Android 9 (Pie)