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| author | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-06-01 12:41:39 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-06-04 09:08:17 +0300 |
| commit | 793e52d4e77d49737ad83cb11925c98f4907fcb1 (patch) | |
| tree | 450c895a3a259f0359ad26be8c47ecf2e3e90d03 /drivers/staging/media/av7110/audio-select-source.rst | |
| parent | 819fbd3d8ef36c09576c2a0ffea503f5c46e9177 (diff) | |
| download | linux-793e52d4e77d49737ad83cb11925c98f4907fcb1.tar.xz | |
media: docs: move DVB audio/video docs to staging
The only upstream driver using the API described there is the
av7110 driver.
As the driver was moved to staging, move the API bits to staging
as well.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/staging/media/av7110/audio-select-source.rst')
| -rw-r--r-- | drivers/staging/media/av7110/audio-select-source.rst | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/staging/media/av7110/audio-select-source.rst b/drivers/staging/media/av7110/audio-select-source.rst new file mode 100644 index 000000000000..6a0c0f365eb1 --- /dev/null +++ b/drivers/staging/media/av7110/audio-select-source.rst @@ -0,0 +1,56 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: DTV.audio + +.. _AUDIO_SELECT_SOURCE: + +=================== +AUDIO_SELECT_SOURCE +=================== + +Name +---- + +AUDIO_SELECT_SOURCE + +.. attention:: This ioctl is deprecated + +Synopsis +-------- + +.. c:macro:: AUDIO_SELECT_SOURCE + +``int ioctl(int fd, AUDIO_SELECT_SOURCE, struct audio_stream_source *source)`` + +Arguments +--------- + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + - + + - int fd + + - File descriptor returned by a previous call to open(). + + - + + - audio_stream_source_t source + + - Indicates the source that shall be used for the Audio stream. + +Description +----------- + +This ioctl call informs the audio device which source shall be used for +the input data. The possible sources are demux or memory. If +AUDIO_SOURCE_MEMORY is selected, the data is fed to the Audio Device +through the write command. + +Return Value +------------ + +On success 0 is returned, on error -1 and the ``errno`` variable is set +appropriately. The generic error codes are described at the +:ref:`Generic Error Codes <gen-errors>` chapter. |