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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/staging/media/deprecated/saa7146/av7110/video-set-format.rst | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/staging/media/deprecated/saa7146/av7110/video-set-format.rst')
-rw-r--r-- | drivers/staging/media/deprecated/saa7146/av7110/video-set-format.rst | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/staging/media/deprecated/saa7146/av7110/video-set-format.rst b/drivers/staging/media/deprecated/saa7146/av7110/video-set-format.rst new file mode 100644 index 000000000..bb64e37ae --- /dev/null +++ b/drivers/staging/media/deprecated/saa7146/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. |