doc-rst: linux_tv: split DVB function call documentation

Just like V4L, split the DVB function calls into one file per
system call. This is a requirement for the man pages creator
on Sphinx to work, and makes the document easier to maintain.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

1 files changed, 61 insertions, 0 deletions

diff --git a/Documentation/linux_tv/media/dvb/video-command.rst b/Documentation/linux_tv/media/dvb/video-command.rst
new file mode 100644
index 000000000000..855a646a0f93
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+++ b/Documentation/linux_tv/media/dvb/video-command.rst
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+.. -*- coding: utf-8; mode: rst -*-
+
+.. _VIDEO_COMMAND:
+
+VIDEO_COMMAND
+=============
+
+Description
+-----------
+
+This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders
+this ioctl has been replaced by the
+:ref:`VIDIOC_DECODER_CMD` ioctl.
+
+This ioctl commands the decoder. The ``video_command`` struct is a
+subset of the ``v4l2_decoder_cmd`` struct, so refer to the
+:ref:`VIDIOC_DECODER_CMD` documentation for
+more information.
+
+Synopsis
+--------
+
+.. c:function:: int ioctl(int fd, int request = VIDEO_COMMAND, struct video_command *cmd)
+
+Arguments
+----------
+
+
+
+.. flat-table::
+    :header-rows:  0
+    :stub-columns: 0
+
+
+    -  .. row 1
+
+       -  int fd
+
+       -  File descriptor returned by a previous call to open().
+
+    -  .. row 2
+
+       -  int request
+
+       -  Equals VIDEO_COMMAND for this command.
+
+    -  .. row 3
+
+       -  struct video_command \*cmd
+
+       -  Commands the decoder.
+
+
+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.
+
+