[Bug 84561] [ivb] Intel backlight does not adjust, but only turns on/off in kernel 3.16 on Samsung 880Z5E laptop

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=84561

--- Comment #11 from Vitaliy Filippov <vitalif at yourcmc.ru> ---
(In reply to Laszlo KREKACS from comment #7)
> What is your bios version? (sudo dmidecode -s bios-version)

Mine is P02ADH.008.130604.SK

(In reply to Laszlo KREKACS from comment #8)

Yeah, "video.use_native_backlight=0" works for me. Check if you have
acpi_video* in /sys/class/backlight...

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