tree e29308f48514ace17116085c76044a8c4308ed2a
parent e4d38b55504f5675703244fa45491d74cbf183ee
author Stepan Bujnak <stepanbujnak@fastmail.fm> 1410363883 +0200
committer Rafael J. Wysocki <rafael.j.wysocki@intel.com> 1411592981 +0200

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>