Comments (7)
Are you sure it is possible in Lunar? Power control via DDC is possible but rarely implemented correctly and most of the time you can't turn the display back afterwards.
If you mean Lunar's blackout feature, it is not actually turning the display off, just hides it behind a mirror and turns brightness down as much as possible.
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I mean turning off using DDC, which works just as expected on my monitor: it turns off like the power button was pressed.
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I saw a comment in Lunar on this feature, which says that it might not work, and it's impossible to turn on after that. But I still believe that turning on might work, because as i stated in the first comment, my monitor responds to DDC commands when it turned off. Looks like it is actually in some standby mode. When I disconnect it from the power source, m1ddc is not able to get any response from it and prints some corresponding error.
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Do you still see the display in the display layout? If so, then indeed it must be in some kind of low power mode but show itself as connected.
You can easily add it to m1ddc, it should work like the mute command (just duplicate everything that is mute
related but give it a new name like standby
and of course change the control code. If it works, you can add a PR.
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but... power control is highly manufacturer specific so I am not sure if it is a good idea to make it generally available. :)
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Wow! It is already here but just not reflected in the help. standby
worked for me as expected. I can turn on the display with m1ddc set s 1
and turn it off with m1ddc set s 5
commands. Thank you for your help! 🙇
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Oh yes, forgot about that lol. :) Now that you mention it, indeed I did experiment with this. 🤣
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Related Issues (20)
- Can DisplayLink connected monitors work? HOT 1
- get luminance doesn't always return the correct number HOT 2
- Add this to homebrew HOT 9
- Issues Setting/Getting Values with macOS 13 HOT 2
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- Support DDC control via HDMI port of Apple Silicon Macs HOT 3
- No recognized display on Mac Mini M2 Pro HOT 2
- Request: add turn off display or other monitor power options HOT 2
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- Standby Values
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