[Bug 76276] Backlight control broken on Dell XPS13 w/ kernel 3.14-rc7

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76276

--- Comment #32 from Mike C <mike.cloaked at gmail.com> ---
An additional symptom that I have is that after setting the brightness to max
using Fn+up arrow after logging in, if I go to the KDE settings then under
Power Management, and move the brightness slider a small amount from full to a
little less than full brightness and then click "Apply" the screen dims to an
unusable level immediately.

I can recover to full brightness again by click Fn+up arrow once and the screen
is back to full brightness.

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