[Bug 65601] Lenovo T440s backlight step too large on kernel v3.13 with intel_backlight

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=65601

--- Comment #18 from tomasi <tomas.ivanek at gmail.com> ---
(In reply to Daniel Vetter from comment #17)
> (In reply to tomasi from comment #16)
> > There is no issue with settings brightness via commandline.
> > Issue is, when using FN+brighness up/down butttons. From kernel 3.13 (kernel
> > 3.12 was ok) there are only 6 steps of brightness.
> > i915_opregion is attached, I'm not very familiar with debugfs.
> 
> That sounds more like a regression somewhere else than in the i915.ko
> driver. Have you attempted to bisect where this regression was introduced?

No, i haven't tried. What should I attach - logs/debugs?

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