.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later .. c:namespace:: DTV.fe

.. _FE_GET_FRONTEND:

FE_GET_FRONTEND

Name

FE_GET_FRONTEND

.. attention:: This ioctl is deprecated.

Synopsis

.. c:macro:: FE_GET_FRONTEND

int ioctl(int fd, FE_GET_FRONTEND, struct dvb_frontend_parameters *p)

Arguments

fd File descriptor returned by :c:func:open().

p Points to parameters for tuning operation.

Description

This ioctl call queries the currently effective frontend parameters. For this command, read-only access to the device is sufficient.

Return Value

On success 0 is returned.

On error -1 is returned, and the errno variable is set appropriately.

.. flat-table:: :header-rows: 0 :stub-columns: 0

-  .. row 1

   -  ``EINVAL``

   -  Maximum supported symbol rate reached.

Generic error codes are described at the :ref:Generic Error Codes <gen-errors> chapter.