KEVENT: add new uevent for dock

so that userspace can be notified of dock and undock events.

Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>

lib/kobject_uevent.c

@@ -50,6 +50,10 @@ static char *action_to_string(enum kobject_action action)
 		return "offline";
 	case KOBJ_ONLINE:
 		return "online";
+	case KOBJ_DOCK:
+		return "dock";
+	case KOBJ_UNDOCK:
+		return "undock";
 	default:
 		return NULL;
 	}