diff --git a/drivers/staging/greybus/control.c b/drivers/staging/greybus/control.c
index 13c68f3f01de..7a838068c1ad 100644
--- a/drivers/staging/greybus/control.c
+++ b/drivers/staging/greybus/control.c
@@ -177,6 +177,20 @@ int gb_control_timesync_disable(struct gb_control *control)
 				 NULL, 0);
 }
 
+int gb_control_timesync_get_last_event(struct gb_control *control,
+				       u64 *frame_time)
+{
+	struct gb_control_timesync_get_last_event_response response;
+	int ret;
+
+	ret = gb_operation_sync(control->connection,
+				GB_CONTROL_TYPE_TIMESYNC_GET_LAST_EVENT,
+				NULL, 0, &response, sizeof(response));
+	if (!ret)
+		*frame_time = le64_to_cpu(response.frame_time);
+	return ret;
+}
+
 int gb_control_timesync_authoritative(struct gb_control *control,
 				      u64 *frame_time, u8 count)
 {
diff --git a/drivers/staging/greybus/control.h b/drivers/staging/greybus/control.h
index 773cdde4dc44..02b583901029 100644
--- a/drivers/staging/greybus/control.h
+++ b/drivers/staging/greybus/control.h
@@ -43,6 +43,8 @@ int gb_control_get_manifest_operation(struct gb_interface *intf, void *manifest,
 int gb_control_timesync_enable(struct gb_control *control, u8 count,
 			       u64 frame_time, u32 strobe_delay, u32 refclk);
 int gb_control_timesync_disable(struct gb_control *control);
+int gb_control_timesync_get_last_event(struct gb_control *control,
+				       u64 *frame_time);
 int gb_control_timesync_authoritative(struct gb_control *control,
 				      u64 *frame_time, u8 count);
 
diff --git a/drivers/staging/greybus/greybus_protocols.h b/drivers/staging/greybus/greybus_protocols.h
index ca5eb3b580aa..40bd6c0a4a62 100644
--- a/drivers/staging/greybus/greybus_protocols.h
+++ b/drivers/staging/greybus/greybus_protocols.h
@@ -123,6 +123,7 @@ struct gb_protocol_version_response {
 #define GB_CONTROL_TYPE_TIMESYNC_AUTHORITATIVE	0x09
 /*	Unused					0x0a */
 #define GB_CONTROL_TYPE_BUNDLE_VERSION		0x0b
+#define GB_CONTROL_TYPE_TIMESYNC_GET_LAST_EVENT	0x0d
 #define GB_CONTROL_TYPE_MODE_SWITCH		0x0e
 
 struct gb_control_version_request {
@@ -179,6 +180,11 @@ struct gb_control_timesync_authoritative_request {
 } __packed;
 /* timesync authoritative response has no payload */
 
+/* timesync get_last_event_request has no payload */
+struct gb_control_timesync_get_last_event_response {
+	__le64	frame_time;
+} __packed;
+
 /* APBridge protocol */
 
 /* request APB1 log */