diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 8851315..f9efeb8 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1083,7 +1083,7 @@ static int acpi_video_bus_check(struct acpi_video_bus *video)
 	 */
 
 	/* Does this device support video switching? */
-	if (video->cap._DOS) {
+	if (video->cap._DOS || video->cap._DOD) {
 		video->flags.multihead = 1;
 		status = 0;
 	}