ACPI: video: DMI workaround another broken Acer BIOS enabling display brightness

http://bugzilla.kernel.org/show_bug.cgi?id=13121

Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 7e8ee49..3a3d156 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -562,6 +562,14 @@
 		DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
 		},
 	},
+	{
+	 .callback = video_set_bqc_offset,
+	 .ident = "Acer Aspire 5710Z",
+	 .matches = {
+		DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710Z"),
+		},
+	},
 	{}
 };