From: Stepan Bujnak <stepanbujnak@fastmail.fm>
Date: Wed, 10 Sep 2014 15:44:43 +0000 (+0200)
Subject: ACPI / video: force vendor backlight on Lenovo Ideapad Z570
X-Git-Tag: fixes-against-v3.18-rc2~138^2~12^2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a11d342fb89aedec5003d116e7427d43cbba714d;p=pandora-kernel.git

ACPI / video: force vendor backlight on Lenovo Ideapad Z570

Lenovo Ideapad 570 is a pre-win8 laptop where not using vendor
backlight causes the backlight controls not to work.

Signed-off-by: Stepan Bujnak <stepanbujnak@fastmail.fm>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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