I use the smart TV app… One trigger I made is, when I say “Ok Homey, Playstation”, my tv comes to life, displays the message “GAME TIME” and I have the input switch to the HDMI port of my PS4 which switches on due to that… No controller needed…
For more info about devicelink: https://manuals.playstation.net/document/nl/ps4/settings/devicelink.html
