+static int
+acpi_video_bus_match(struct acpi_device *device)
+{
+ acpi_handle h_dummy1;
+ acpi_handle h_dummy2;
+ acpi_handle h_dummy3;
+
+
+ if (!device)
+ return -EINVAL;
+
+ /* Since there is no HID, CID for ACPI Video drivers, we have
+ * to check well known required nodes for each feature we support.
+ */
+
+ /* Does this device able to support video switching ? */
+ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy1)) &&
+ ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy2)))
+ return 0;
+
+ /* Does this device able to retrieve a video ROM ? */
+ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy1)))
+ return 0;
+
+ /* Does this device able to configure which video head to be POSTed ? */
+ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_VPO", &h_dummy1)) &&
+ ACPI_SUCCESS(acpi_get_handle(device->handle, "_GPD", &h_dummy2)) &&
+ ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy3)))
+ return 0;
+
+ return -ENODEV;
+}
+
+static int acpi_pci_bridge_match(struct acpi_device *device)
+{
+ acpi_status status;
+ acpi_handle handle;
+
+ /* pci bridge has _PRT but isn't PNP0A03 */
+ status = acpi_get_handle(device->handle, METHOD_NAME__PRT, &handle);
+ if (ACPI_FAILURE(status))
+ return -ENODEV;
+ if (!acpi_match_ids(device, "PNP0A03"))
+ return -ENODEV;
+ return 0;
+}
+