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It is possible to manage display brightness for monitors that support DDC/CI via ddcutil. However, every implementation I've seen of this has significant latency when compared to the way KDE Plasma implements it in their powerdevil Doing something like this results in a 5-10s delay in changing monitor brightness, which makes the user experience awful. The experience is similar when using ddcutil-daemon, which basically just serves to debounce inputs. If anyone knows how to achieve consistent, sub 1s DDC brightness changes with a bind/waybar module like KDE, I would be grateful. |
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Replies: 2 comments
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I think ddcutil-server has a similar implementation to the kde daemon (it also works via dbus). By my impression, it changes the brightness in about 1 second (slightly faster, though). You can bind it directly to the waybar/keybindings. There is also a GUI VDU controls, which can sit in the tray and uses ddcutil-server as a backend |
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I think i have a solution for the latency: use --skip-ddc-checks , for more info check |
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I think ddcutil-server has a similar implementation to the kde daemon (it also works via dbus). By my impression, it changes the brightness in about 1 second (slightly faster, though). You can bind it directly to the waybar/keybindings.
There is also a GUI VDU controls, which can sit in the tray and uses ddcutil-server as a backend