Bluetooth: A2MP: Process A2MP Change Notify

Placeholder for A2MP Change Notify handler.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

net/bluetooth/a2mp.c

@@ -161,6 +161,22 @@ static int a2mp_discover_req(struct amp_mgr *mgr, struct sk_buff *skb,
 	return 0;
 }
 
+static int a2mp_change_notify(struct amp_mgr *mgr, struct sk_buff *skb,
+			      struct a2mp_cmd *hdr)
+{
+	struct a2mp_cl *cl = (void *) skb->data;
+
+	while (skb->len >= sizeof(*cl)) {
+		BT_DBG("Controller id %d type %d status %d", cl->id, cl->type,
+		       cl->status);
+		cl = (struct a2mp_cl *) skb_pull(skb, sizeof(*cl));
+	}
+
+	/* TODO send A2MP_CHANGE_RSP */
+
+	return 0;
+}
+
 /* Handle A2MP signalling */
 static int a2mp_chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb)
 {
@@ -195,6 +211,9 @@ static int a2mp_chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb)
 			break;
 
 		case A2MP_CHANGE_NOTIFY:
+			err = a2mp_change_notify(mgr, skb, hdr);
+			break;
+
 		case A2MP_GETINFO_REQ:
 		case A2MP_GETAMPASSOC_REQ:
 		case A2MP_CREATEPHYSLINK_REQ: