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>
git-mirror · Sep 24, 2014 · a11d342 · a11d342
1 parent e4d38b5
commit a11d342
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
@@ -174,6 +174,14 @@ static struct dmi_system_id video_detect_dmi_table[] = {
 		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"),
+		},
+	},
 	{ },
 };