mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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e8be7e97e6
instead of declaring the uAPI structs using usual refs, e. g.: .. _foo-struct: Use the C domain way: .. c:type:: foo_struct This way, the kAPI documentation can use cross-references to point to the uAPI symbols. That solves about ~100 undefined warnings like: WARNING: c:type reference target not found: foo_struct Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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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.. c:function:: int ioctl( int fd, FE_DISEQC_SEND_MASTER_CMD, struct dvb_diseqc_master_cmd *argp )
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:name: FE_DISEQC_SEND_MASTER_CMD
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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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``argp``
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pointer to struct
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:c:type:`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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.. c:type:: dvb_diseqc_master_cmd
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struct dvb_diseqc_master_cmd
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============================
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.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
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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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