l2cap_get_chan_by_scid
chan = l2cap_get_chan_by_scid(conn, dcid);
chan = l2cap_get_chan_by_scid(conn, scid);
chan = l2cap_get_chan_by_scid(conn, dcid);
chan = l2cap_get_chan_by_scid(conn, scid);
chan = l2cap_get_chan_by_scid(conn, cid);