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https://github.com/edk2-porting/linux-next.git
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60c2820d0f
The name of the subsystem is "media", and not "linux_tv". Also, as we plan to add other stuff there in the future, let's rename also the media uAPI book to media_uapi, to make it clearer. No functional changes. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
84 lines
1.4 KiB
ReStructuredText
84 lines
1.4 KiB
ReStructuredText
.. -*- coding: utf-8; mode: rst -*-
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.. _FE_DISEQC_RECV_SLAVE_REPLY:
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********************************
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ioctl FE_DISEQC_RECV_SLAVE_REPLY
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********************************
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Name
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====
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FE_DISEQC_RECV_SLAVE_REPLY - Receives reply from a DiSEqC 2.0 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_slave_reply *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_RECV_SLAVE_REPLY
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``argp``
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pointer to struct
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:ref:`dvb_diseqc_slave_reply <dvb-diseqc-slave-reply>`
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Description
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===========
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Receives reply from a DiSEqC 2.0 command.
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.. _dvb-diseqc-slave-reply:
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struct dvb_diseqc_slave_reply
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-----------------------------
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.. flat-table:: struct dvb_diseqc_slave_reply
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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[4]
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- DiSEqC message (framing, 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 0 to 4, where 0
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means no msg
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- .. row 3
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- int
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- timeout
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- Return from ioctl after timeout ms with errorcode when no message
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was received
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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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