Documentation/linux_tv/media/dvb/ca-get-cap.rst

   1 .. -*- coding: utf-8; mode: rst -*-
   2
   3 .. _CA_GET_CAP:
   4
   5 CA_GET_CAP
   6 ==========
   7
   8 Description
   9 -----------
  10
  11 This ioctl is undocumented. Documentation is welcome.
  12
  13 Synopsis
  14 --------
  15
  16 .. cpp:function:: int  ioctl(fd, int request = CA_GET_CAP, ca_caps_t *)
  17
  18 Arguments
  19 ----------
  20
  21
  22
  23 .. flat-table::
  24     :header-rows:  0
  25     :stub-columns: 0
  26
  27
  28     -  .. row 1
  29
  30        -  int fd
  31
  32        -  File descriptor returned by a previous call to open().
  33
  34     -  .. row 2
  35
  36        -  int request
  37
  38        -  Equals CA_GET_CAP for this command.
  39
  40     -  .. row 3
  41
  42        -  ca_caps_t *
  43
  44        -  Undocumented.
  45
  46
  47 Return Value
  48 ------------
  49
  50 On success 0 is returned, on error -1 and the ``errno`` variable is set
  51 appropriately. The generic error codes are described at the
  52 :ref:`Generic Error Codes <gen-errors>` chapter.
  53
  54