[Bug 70791] [HSW ULT]eDP brightness is zero after the computer start

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70791

--- Comment #11 from Qingshuai Tian <qingshuai.tian at intel.com> ---
Sorry that I don't know how to get the acpidump. Can you please tell how to get
it? Thanks.
And when I get the acpidump, shall I use the kernel with the with the patch
applied and video.use_native_backlight=1 set or without?

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