1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 42d3d72dae8..5af3479714f 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -82,6 +82,11 @@ long acpi_is_video_device(struct acpi_device *device)
         if (!device)
                 return 0;
 
+        /* Is this device able to support video switching ? */
+        if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy)) ||
+            ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy)))
+                video_caps |= ACPI_VIDEO_OUTPUT_SWITCHING;
+
         /* Is this device able to retrieve a video ROM ? */
         if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy)))
                 video_caps |= ACPI_VIDEO_ROM_AVAILABLE;