1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/wmi.h b/include/linux/wmi.h
index 0ab254019488..a283768afb7e 100644
--- a/include/linux/wmi.h
+++ b/include/linux/wmi.h
@@ -33,6 +33,10 @@ struct wmi_device {
 extern union acpi_object *wmidev_block_query(struct wmi_device *wdev,
                                              u8 instance);
 
+/* Gets another device on the same bus.  Caller must put_device the result. */
+extern struct wmi_device *wmidev_get_other_guid(struct wmi_device *wdev,
+                                                const char *guid_string);
+
 struct wmi_device_id {
         const char *guid_string;
 };