hci_conn_switch_role  333 include/net/bluetooth/hci_core.h int hci_conn_switch_role(struct hci_conn *conn, uint8_t role);
hci_conn_switch_role 1184 net/bluetooth/rfcomm/core.c 		hci_conn_switch_role(l2cap_pi(sk)->conn->hcon, 0x00);