hci_disconn_cfm
hci_disconn_cfm(conn, HCI_ERROR_LOCAL_HOST_TERM);
hci_disconn_cfm(conn, HCI_ERROR_UNSPECIFIED);
hci_disconn_cfm(conn, cp->reason);
hci_disconn_cfm(conn, ev->reason);
hci_disconn_cfm(conn, HCI_ERROR_REMOTE_USER_TERM);
hci_disconn_cfm(bis, ev->reason);
hci_disconn_cfm(conn, reason);