diff --git a/include/hardware/bluetooth.h b/include/hardware/bluetooth.h
index c00a8f7..5e100ec 100644
--- a/include/hardware/bluetooth.h
+++ b/include/hardware/bluetooth.h
@@ -324,6 +324,10 @@
 /** TODO: Add callbacks for Link Up/Down and other generic
   *  notifications/callbacks */
 
+/** Wakelock callback */
+/* Called to take/release wakelock to allow timers to work (temporary kluge) */
+typedef void (*bt_wakelock_callback)(int acquire);
+
 /** Bluetooth DM callback structure. */
 typedef struct {
     /** set to sizeof(bt_callbacks_t) */
@@ -340,6 +344,7 @@
     callback_thread_event thread_evt_cb;
     dut_mode_recv_callback dut_mode_recv_cb;
     le_test_mode_callback le_test_mode_cb;
+    bt_wakelock_callback bt_wakelock_cb;
 } bt_callbacks_t;
 
 /** NOTE: By default, no profiles are initialized at the time of init/enable.