[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

--- Comment #23 from Hohahiu <rakothedin at gmail.com> ---
Hello, Hans,

Thank you for your effort!
I applied your patches (1-4) on top of my distro kernel 3.16.1 (OpenSUSE
kernel:stable repository just for reference). First 3 patches applied cleanly,
the fourth one had two hunks and finally failed. So I compiled the kernel with
first 3 patches only. The backlight now works as in kernel 3.15.x (it has
acpi_videox entries in /sys/class/backlight). So for the first 3 patches you
can use my Tested-by.

Is there a chance that these patches can go to 3.17?

Thanks

PS. If you need additional testing just let me know.

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