[Powerdevil] [Bug 304696] Display is dimmed in half the time you configure to dim

Chris Holland bugzilla_noreply at kde.org
Thu Oct 25 02:52:20 BST 2018


https://bugs.kde.org/show_bug.cgi?id=304696

Chris Holland <zrenfire at gmail.com> changed:

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                 CC|                            |zrenfire at gmail.com

--- Comment #14 from Chris Holland <zrenfire at gmail.com> ---
As Oliver said in 2013, it looks like this is the intended behaviour since it
was first written (8 years ago?).

https://github.com/KDE/powerdevil/blame/master/daemon/actions/bundled/dimdisplay.cpp#L64

At 50% the set idle duration, it dims to 50% brightness.
At 75% the set idle duration, it dims to 12.5% brightness.
At 100% the set idle duration, it dims to 0% brightness.

We could maybe use different values, say 90% brightness, then 70% brightness,
before dropping to 0% at the specified time.

I wonder if there'd be issues with changing it to 5/4 (125% idle duration) and
3/2 (150% idle duration) so that it doesn't start dimming before the user's
explicitly defined value.

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