mirror of
https://github.com/torvalds/linux.git
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8968da9b86
This patch touches on places where it shouldn't: image
files and code examples. Also, it doesn't fix all array
occurrences.
So, let's revert it.
This reverts commit ffbab694ed.
74 lines
1.3 KiB
ReStructuredText
74 lines
1.3 KiB
ReStructuredText
.. -*- coding: utf-8; mode: rst -*-
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.. _FE_DISEQC_SEND_MASTER_CMD:
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*******************************
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ioctl FE_DISEQC_SEND_MASTER_CMD
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*******************************
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Name
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====
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FE_DISEQC_SEND_MASTER_CMD - Sends a DiSEqC command
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Synopsis
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========
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.. cpp:function:: int ioctl( int fd, int request, struct dvb_diseqc_master_cmd *argp )
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Arguments
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=========
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``fd``
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File descriptor returned by :ref:`open() <frontend_f_open>`.
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``request``
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FE_DISEQC_SEND_MASTER_CMD
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``argp``
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pointer to struct
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:ref:`dvb_diseqc_master_cmd <dvb-diseqc-master-cmd>`
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Description
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===========
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Sends a DiSEqC command to the antenna subsystem.
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.. _dvb-diseqc-master-cmd:
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struct dvb_diseqc_master_cmd
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============================
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.. flat-table:: struct dvb_diseqc_master_cmd
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:header-rows: 0
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:stub-columns: 0
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:widths: 1 1 2
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- .. row 1
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- uint8_t
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- msg[6]
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- DiSEqC message (framing, address, command, data[3])
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- .. row 2
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- uint8_t
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- msg_len
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- Length of the DiSEqC message. Valid values are 3 to 6
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Return Value
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============
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On success 0 is returned, on error -1 and the ``errno`` variable is set
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appropriately. The generic error codes are described at the
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:ref:`Generic Error Codes <gen-errors>` chapter.
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