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Diffstat (limited to 'Documentation/media/uapi/dvb/fe-diseqc-send-master-cmd.rst')
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diff --git a/Documentation/media/uapi/dvb/fe-diseqc-send-master-cmd.rst b/Documentation/media/uapi/dvb/fe-diseqc-send-master-cmd.rst new file mode 100644 index 0000000..58a5e6a --- /dev/null +++ b/Documentation/media/uapi/dvb/fe-diseqc-send-master-cmd.rst @@ -0,0 +1,73 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _FE_DISEQC_SEND_MASTER_CMD: + +******************************* +ioctl FE_DISEQC_SEND_MASTER_CMD +******************************* + +Name +==== + +FE_DISEQC_SEND_MASTER_CMD - Sends a DiSEqC command + + +Synopsis +======== + +.. cpp:function:: int ioctl( int fd, int request, struct dvb_diseqc_master_cmd *argp ) + + +Arguments +========= + +``fd`` + File descriptor returned by :ref:`open() <frontend_f_open>`. + +``request`` + FE_DISEQC_SEND_MASTER_CMD + +``argp`` + pointer to struct + :ref:`dvb_diseqc_master_cmd <dvb-diseqc-master-cmd>` + + +Description +=========== + +Sends a DiSEqC command to the antenna subsystem. + +.. _dvb-diseqc-master-cmd: + +struct dvb_diseqc_master_cmd +============================ + +.. flat-table:: struct dvb_diseqc_master_cmd + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + + - .. row 1 + + - uint8_t + + - msg[6] + + - DiSEqC message (framing, address, command, data[3]) + + - .. row 2 + + - uint8_t + + - msg_len + + - Length of the DiSEqC message. Valid values are 3 to 6 + +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. + |