ACPI / video: Add disable_native_backlight quirk for Samsung 730U3E/740U3E
The Samsung 730U3E/740U3E has integrated ATI Radeon graphics, and backlight
control does not work properly when using the native interfaces.
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1094948
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 032db45..497d986 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -522,6 +522,15 @@
DMI_MATCH(DMI_PRODUCT_NAME, "370R4E/370R4V/370R5E/3570RE/370R5V"),
},
},
+ {
+ /* https://bugzilla.redhat.com/show_bug.cgi?id=1094948 */
+ .callback = video_disable_native_backlight,
+ .ident = "SAMSUNG 730U3E/740U3E",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "730U3E/740U3E"),
+ },
+ },
{
/* https://bugzilla.redhat.com/show_bug.cgi?id=1163574 */