f9b2e8aa32
Sphinx 3.x broke support for the cdomain.py extension, as the c domain code was rewritten. Due to that, the c tags need to be re-written, in order to use the new c domain notation. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
57 lines
1.1 KiB
ReStructuredText
57 lines
1.1 KiB
ReStructuredText
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
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.. c:namespace:: DTV.audio
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.. _AUDIO_SELECT_SOURCE:
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===================
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AUDIO_SELECT_SOURCE
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===================
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Name
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----
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AUDIO_SELECT_SOURCE
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.. attention:: This ioctl is deprecated
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Synopsis
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--------
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.. c:macro:: AUDIO_SELECT_SOURCE
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``int ioctl(int fd, AUDIO_SELECT_SOURCE, struct audio_stream_source *source)``
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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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-
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- int fd
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- File descriptor returned by a previous call to open().
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-
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- audio_stream_source_t source
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- Indicates the source that shall be used for the Audio stream.
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Description
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-----------
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This ioctl call informs the audio device which source shall be used for
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the input data. The possible sources are demux or memory. If
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AUDIO_SOURCE_MEMORY is selected, the data is fed to the Audio Device
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through the write command.
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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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