HCI_OP_PIN_CODE_REPLY
cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
HCI_CC(HCI_OP_PIN_CODE_REPLY, hci_cc_pin_code_reply,
err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);