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Brightness not working #1

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MrMarnic opened this issue Dec 6, 2020 · 1 comment
Open

Brightness not working #1

MrMarnic opened this issue Dec 6, 2020 · 1 comment

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@MrMarnic
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MrMarnic commented Dec 6, 2020

I have tried your library successfully on one external monitor with a Intel GPU. Then I switched to another Mac with a AMD gpu and the brightness change isn’t working although setVPC feature returns a success.
The problem is that it is working with this library https://github.com/reitermarkus/DDC.swift .
If you need more info, inform me. I will try to help.
@aleksey-mashanov
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What is about ddc command line tool? Does it work with your AMD GPU?

Output of ioreg -c IOFramebuffer -r -t -i and ioreg -c IOFramebufferI2CInterface -r -t -i can help.

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@aleksey-mashanov @MrMarnic