mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-28 23:23:55 +08:00
82559ac027
All those files are under GFDL 1.1 or later, with no invariant sections. Tag them as such. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
70 lines
1.4 KiB
ReStructuredText
70 lines
1.4 KiB
ReStructuredText
.. Permission is granted to copy, distribute and/or modify this
|
|
.. document under the terms of the GNU Free Documentation License,
|
|
.. Version 1.1 or any later version published by the Free Software
|
|
.. Foundation, with no Invariant Sections, no Front-Cover Texts
|
|
.. and no Back-Cover Texts. A copy of the license is included at
|
|
.. Documentation/media/uapi/fdl-appendix.rst.
|
|
..
|
|
.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
|
|
|
|
.. _FE_GET_FRONTEND:
|
|
|
|
***************
|
|
FE_GET_FRONTEND
|
|
***************
|
|
|
|
Name
|
|
====
|
|
|
|
FE_GET_FRONTEND
|
|
|
|
.. attention:: This ioctl is deprecated.
|
|
|
|
|
|
Synopsis
|
|
========
|
|
|
|
.. c:function:: int ioctl(int fd, FE_GET_FRONTEND, struct dvb_frontend_parameters *p)
|
|
:name: FE_GET_FRONTEND
|
|
|
|
|
|
Arguments
|
|
=========
|
|
|
|
``fd``
|
|
File descriptor returned by :c:func:`open() <dvb-fe-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.
|