Documentation/media/uapi/dvb/fe-diseqc-send-master-cmd.rst

   1 .. -*- coding: utf-8; mode: rst -*-
   2
   3 .. _FE_DISEQC_SEND_MASTER_CMD:
   4
   5 *******************************
   6 ioctl FE_DISEQC_SEND_MASTER_CMD
   7 *******************************
   8
   9 Name
  10 ====
  11
  12 FE_DISEQC_SEND_MASTER_CMD - Sends a DiSEqC command
  13
  14
  15 Synopsis
  16 ========
  17
  18 .. c:function:: int ioctl( int fd, FE_DISEQC_SEND_MASTER_CMD, struct dvb_diseqc_master_cmd *argp )
  19     :name: FE_DISEQC_SEND_MASTER_CMD
  20
  21
  22 Arguments
  23 =========
  24
  25 ``fd``
  26     File descriptor returned by :ref:`open() <frontend_f_open>`.
  27
  28 ``argp``
  29     pointer to struct
  30     :c:type:`dvb_diseqc_master_cmd`
  31
  32
  33 Description
  34 ===========
  35
  36 Sends the DiSEqC command pointed by :c:type:`dvb_diseqc_master_cmd`
  37 to the antenna subsystem.
  38
  39 Return Value
  40 ============
  41
  42 On success 0 is returned.
  43
  44 On error -1 is returned, and the ``errno`` variable is set
  45 appropriately.
  46
  47 Generic error codes are described at the
  48 :ref:`Generic Error Codes <gen-errors>` chapter.
  49