HCI_OP_SETUP_SYNC_CONN
if (hci_send_cmd(hdev, HCI_OP_SETUP_SYNC_CONN, sizeof(cp), &cp) < 0)
cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
HCI_CS(HCI_OP_SETUP_SYNC_CONN, hci_cs_setup_sync_conn),