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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>
59 lines
828 B
ReStructuredText
59 lines
828 B
ReStructuredText
.. -*- coding: utf-8; mode: rst -*-
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.. _CA_GET_MSG:
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==========
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CA_GET_MSG
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==========
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Name
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----
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CA_GET_MSG
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Synopsis
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--------
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.. cpp:function:: int ioctl(fd, int request = CA_GET_MSG, ca_msg_t *)
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Arguments
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---------
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.. flat-table::
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:header-rows: 0
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:stub-columns: 0
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- .. row 1
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- int fd
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- File descriptor returned by a previous call to open().
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- .. row 2
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- int request
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- Equals CA_GET_MSG for this command.
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- .. row 3
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- ca_msg_t \*
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- Undocumented.
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Description
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-----------
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This ioctl is undocumented. Documentation is welcome.
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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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