hci_write_fast_connectable_sync
int hci_write_fast_connectable_sync(struct hci_dev *hdev, bool enable);
hci_write_fast_connectable_sync(hdev, true);
hci_write_fast_connectable_sync(hdev, false);
return hci_write_fast_connectable_sync(hdev, cp->val);
status = hci_write_fast_connectable_sync(hdev, false);