Like the feature that gives you a chance to diminish the light on your PS4’s DualShock controller, your Playstation 4 is loaded up with useful traps that you may not think about, particularly when all you need to do is get and play. One of these useful tricks is the ability to power on or turn your TV on using the PS4 controller.

This feature will just work if your TV and console are connected using HDMI. Furthermore, your TV should have CEC-support, which most more current TVs have. To confirm if your TV has this capability, look at this article from HDMI-CEC Standard.

On the off chance that you’ve at any point seen your Chromecast or Fire TV turning your TV on, at that point your PS4 controller will be no exemption.

To Read More visit: https://techramadan.com/2018/12/16/how-to-use-ps4-controller-to-power-on-tv/

Lol at diminish, lots of words could be used but u had to dig up diminish..

Turn on your HDMI Control/CEC on on both your TV and PS4. End of story.