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I use a 4K HDTV as my monitor, which I highly recommend. The one issue is that unlike most monitors, it does not power on when it detects a signal appearing on the HDMI. So if I forget to power on the monitor before resuming/booting, X gets upset and goes into 640x480 mode after I turn it on manually. I hope to make it work like a typical monitor and power on when I boot. The TV supports CEC (Samsung calls it Anynet and I have just enabled that) but cec-client finds no devices when I have it query.

I presume I also should insert the desired resolution data into an X.org configuration so that it doesn't do the wrong resolution, but that still would not have it turn on when I resume from sleep, which I would like. What's the best path to fixing that.

Brad Templeton
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Samsung's implementation of CEC, called Anynet, is proprietary (think MotionRate 120 is still 60hz or QLED is not OLED). It works with other Samsung products such as a TV & Soundbar or Surround Sound Receiver. Does NOT work so great with other manufacturer products. Spent several hours with horrible Samsung customer service until a level 2 engineer disclosed Anynet is for Samsung products only and not a full implementation of CEC standard.

Steven
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