[Bug 81515] [IVB Regression] Backlight is not adjustable and set at maximum level in kernels 3.16-rcX on HD 4000

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81515

Aaron Lu <aaron.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #12 from Aaron Lu <aaron.lu at intel.com> ---
Do we understand why the intel_backlight interface do not work for this
machine?

BTW, please attach your acpidump:
# acpidump > acpidump.txt

Thanks.

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