1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2
3.. _FE_READ_BER:
4
5***********
6FE_READ_BER
7***********
8
9Name
10====
11
12FE_READ_BER
13
14.. attention:: This ioctl is deprecated.
15
16Synopsis
17========
18
19.. c:function:: int  ioctl(int fd, FE_READ_BER, uint32_t *ber)
20    :name: FE_READ_BER
21
22
23Arguments
24=========
25
26``fd``
27    File descriptor returned by :c:func:`open() <dvb-fe-open>`.
28
29``ber``
30    The bit error rate is stored into \*ber.
31
32
33Description
34===========
35
36This ioctl call returns the bit error rate for the signal currently
37received/demodulated by the front-end. For this command, read-only
38access to the device is sufficient.
39
40
41Return Value
42============
43
44On success 0 is returned.
45
46On error -1 is returned, and the ``errno`` variable is set
47appropriately.
48
49Generic error codes are described at the
50:ref:`Generic Error Codes <gen-errors>` chapter.
51