Public bug reported:
Using Ubuntu 13.04, gnome-settings-daemon 3.6.4-0ubuntu8.
Different hardware have different brightness scales, for example :
- ranges are different ('max_brightness' value)
- some hardware turns backlight off when brightness is 0
- some hardware have a linear scale, some do not
For example, on an EeePC 1215N, the brightness ranges from 0 to 8 and
changes are nearly linear (the increase between 0 and 1 seems similar to
the increase between 7 and 8). On a Zenbook UX32VD, the brightness
ranges from 0 to 100, with 0 turning the backlight completely off, and
changes are a lot less linear (the increase between 1 and 2 seems
similar to the increase between 90 and 100).
It would be nice to allow configuring a different scale on different
hardware so that brightness changes seem more linear.
** Affects: gnome-settings-daemon (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1175069
Title:
Enable brightness scaling on different hardware models
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