D19678: Feature: Add an option to adjust screen brightness by quadratic curve instead of linear when using brightness keys

[Thomas Surrel]

thsurrel added a comment.


  I would love to see something like this getting in somehow, but as Nate described, we run into a problem with literally the first person that tested the patch. That sounds statistically bad.
  
  I did not find a way to ensure that a given minimal step would turn on the screen when starting from 0. My guess is that there are some graphical cards out there that will behave weird and turn on the screen at an arbitrary level. Unless testing this first on a LOT of hardware, it seems difficult to find a value suitable for all.

REVISION DETAIL
  https://phabricator.kde.org/D19678

To: vishaw, #plasma, ngraham
Cc: thsurrel, plasma-devel, jraleigh, GB_2, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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