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diff --git a/Documentation/media/uapi/dvb/dmx-fwrite.rst b/Documentation/media/uapi/dvb/dmx-fwrite.rst deleted file mode 100644 index bdd4d4743bd5..000000000000 --- a/Documentation/media/uapi/dvb/dmx-fwrite.rst +++ /dev/null @@ -1,79 +0,0 @@ -.. 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 - -.. _dmx_fwrite: - -======================== -Digital TV demux write() -======================== - -Name ----- - -Digital TV demux write() - - -Synopsis --------- - -.. c:function:: ssize_t write(int fd, const void *buf, size_t count) - :name: dvb-dmx-write - -Arguments ---------- - -``fd`` - File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`. - -``buf`` - Buffer with data to be written - -``count`` - Number of bytes at the buffer - -Description ------------ - -This system call is only provided by the logical device -``/dev/dvb/adapter?/dvr?``, associated with the physical demux device that -provides the actual DVR functionality. It is used for replay of a -digitally recorded Transport Stream. Matching filters have to be defined -in the corresponding physical demux device, ``/dev/dvb/adapter?/demux?``. -The amount of data to be transferred is implied by count. - - -Return Value ------------- - -On success 0 is returned. - -On error -1 is returned, and the ``errno`` variable is set -appropriately. - -.. tabularcolumns:: |p{2.5cm}|p{15.0cm}| - -.. flat-table:: - :header-rows: 0 - :stub-columns: 0 - :widths: 1 16 - - - - ``EWOULDBLOCK`` - - No data was written. This might happen if ``O_NONBLOCK`` was - specified and there is no more buffer space available (if - ``O_NONBLOCK`` is not specified the function will block until buffer - space is available). - - - - ``EBUSY`` - - This error code indicates that there are conflicting requests. The - corresponding demux device is setup to receive data from the - front- end. Make sure that these filters are stopped and that the - filters with input set to ``DMX_IN_DVR`` are started. - -The generic error codes are described at the -:ref:`Generic Error Codes <gen-errors>` chapter. |