Function enable_le_scan

Enable LE passive scan (with filtering of duplicate packets enabled). :param sock: A bluetooth HCI socket (retrieved using the ``hci_open_dev`` PyBluez function). :param interval: Scan interval. :param window: Scan window (must be less or equal than given interval). :pa

(sock, interval=0x0800, window=0x0800,
                   filter_policy=FILTER_POLICY_NO_WHITELIST,
                   filter_duplicates=True)