ACPI: video: DMI workaround broken eMachines E510 BIOS enabling display brightness

http://bugzilla.kernel.org/show_bug.cgi?id=13376

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 810cca9..ee45e76 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -570,6 +570,14 @@
 		DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710Z"),
 		},
 	},
+	{
+	 .callback = video_set_bqc_offset,
+	 .ident = "eMachines E510",
+	 .matches = {
+		DMI_MATCH(DMI_BOARD_VENDOR, "EMACHINES"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "eMachines E510"),
+		},
+	},
 	{}
 };