This week’s PlayStation LifeStyle Help Desk is a simple but fun and time saving trick. It’s something I’ve had set up on my PS4 for ages. It’s actually possible to use your DualShock 4 to turn on your TV when you power on your PlayStation 4. Don’t worry about scouring for the remote anymore. Just find your controller and you’ll be good to go. How does this little trick work"
There are a few technical bits we need to get out of the way before we can get this functionality up and running.
Enable HDMI Device Link on PS4
HDMI is an interesting cable because it can send more than just the audio and video signal along it. HDMI device link allows your devices to communicate with each other via the HDMI cable. In this case, it will be your PS4 and TV communicating, as long as that’s where the HDMI cable is running.
Go to Settings > System > Enable HDMI Device Link and make sure the box is checked. 

Congratulations! It’s that simple. Now you’re ready to enjoy one less step to get into gaming.
What Does HDMI Device Link Do"
HDMI Device Link will now turn on your TV after your PS4 powers on, as well as swapping the selected HDMI input to the one the PS4 is on. This isn’t just limited to your controller. You can tap the power button on the console itself and it will turn on your TV and switch to the proper input, ready to go. This can also work in reverse, powering the TV off when the console powers down...