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@xxxxxxxxxxx>
---
drivers/acpi/video_detect.c | 8 ++++++++
1 file changed, 8 insertions(+)
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 @@ 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"),
+ },
+ },
{ },
};
--
1.9.3
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