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author | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2023-02-01 13:19:27 +0100 |
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committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2023-02-09 09:22:14 +0100 |
commit | 0fcb867718519060c90afea2d9af0a7cc1c3bd36 (patch) | |
tree | c98c87b74236389e03f9795433a982f555fbae7f /drivers/staging/media/av7110/video-set-format.rst | |
parent | media: imx-pxp: convert to regmap (diff) | |
download | linux-0fcb867718519060c90afea2d9af0a7cc1c3bd36.tar.gz linux-0fcb867718519060c90afea2d9af0a7cc1c3bd36.tar.bz2 linux-0fcb867718519060c90afea2d9af0a7cc1c3bd36.zip |
media: Revert "media: av7110: move to staging/media/deprecated/saa7146"
This reverts commit 3e9ad662e34eb2d42ddef5a2883abd34461dfd9a.
The av7110 is still in use, so it can't be deprecated. Move it back
to staging/media for now.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/staging/media/av7110/video-set-format.rst')
-rw-r--r-- | drivers/staging/media/av7110/video-set-format.rst | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/staging/media/av7110/video-set-format.rst b/drivers/staging/media/av7110/video-set-format.rst new file mode 100644 index 000000000000..bb64e37ae081 --- /dev/null +++ b/drivers/staging/media/av7110/video-set-format.rst @@ -0,0 +1,82 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: DTV.video + +.. _VIDEO_SET_FORMAT: + +================ +VIDEO_SET_FORMAT +================ + +Name +---- + +VIDEO_SET_FORMAT + +.. attention:: This ioctl is deprecated. + +Synopsis +-------- + +.. c:macro:: VIDEO_SET_FORMAT + +``int ioctl(fd, VIDEO_SET_FORMAT, video_format_t format)`` + +Arguments +--------- + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + - .. row 1 + + - int fd + + - File descriptor returned by a previous call to open(). + + - .. row 2 + + - int request + + - Equals VIDEO_SET_FORMAT for this command. + + - .. row 3 + + - video_format_t format + + - video format of TV as defined in section ??. + +Description +----------- + +This ioctl sets the screen format (aspect ratio) of the connected output +device (TV) so that the output of the decoder can be adjusted +accordingly. + +.. c:type:: video_format_t + +.. code-block:: c + + typedef enum { + VIDEO_FORMAT_4_3, /* Select 4:3 format */ + VIDEO_FORMAT_16_9, /* Select 16:9 format. */ + VIDEO_FORMAT_221_1 /* 2.21:1 */ + } video_format_t; + +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. + + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + - .. row 1 + + - ``EINVAL`` + + - format is not a valid video format. |