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>
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index c42feb2..27c4349 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -174,6 +174,14 @@
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5737"),
},
},
+ {
+ .callback = video_detect_force_vendor,
+ .ident = "Lenovo IdeaPad Z570",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Ideapad Z570"),
+ },
+ },
{ },
};