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- .. -*- coding: utf-8; mode: rst -*-
- .. _FE_READ_BER:
- ***********
- FE_READ_BER
- ***********
- Name
- ====
- FE_READ_BER
- .. attention:: This ioctl is deprecated.
- Synopsis
- ========
- .. c:function:: int ioctl(int fd, FE_READ_BER, uint32_t *ber)
- :name: FE_READ_BER
- Arguments
- =========
- ``fd``
- File descriptor returned by :c:func:`open() <dvb-fe-open>`.
- ``ber``
- The bit error rate is stored into \*ber.
- Description
- ===========
- This ioctl call returns the bit error rate for the signal currently
- received/demodulated by the front-end. For this command, read-only
- access to the device is sufficient.
- Return Value
- ============
- On success 0 is returned, on error -1 and the ``errno`` variable is set
- appropriately. The generic error codes are described at the
- :ref:`Generic Error Codes <gen-errors>` chapter.
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