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Diffstat (limited to 'drivers/acpi/video_detect.c')
-rw-r--r--drivers/acpi/video_detect.c5
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;