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author | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2023-02-01 15:19:27 +0300 |
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committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2023-02-09 11:22:14 +0300 |
commit | 0fcb867718519060c90afea2d9af0a7cc1c3bd36 (patch) | |
tree | c98c87b74236389e03f9795433a982f555fbae7f /drivers/staging/media/av7110/video-freeze.rst | |
parent | 4e5bd3fdbeb3100d1f120999130afb2a7d41d82a (diff) | |
download | linux-0fcb867718519060c90afea2d9af0a7cc1c3bd36.tar.xz |
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-freeze.rst')
-rw-r--r-- | drivers/staging/media/av7110/video-freeze.rst | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/staging/media/av7110/video-freeze.rst b/drivers/staging/media/av7110/video-freeze.rst new file mode 100644 index 000000000000..4321f257cb70 --- /dev/null +++ b/drivers/staging/media/av7110/video-freeze.rst @@ -0,0 +1,61 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: DTV.video + +.. _VIDEO_FREEZE: + +============ +VIDEO_FREEZE +============ + +Name +---- + +VIDEO_FREEZE + +.. attention:: This ioctl is deprecated. + +Synopsis +-------- + +.. c:macro:: VIDEO_FREEZE + +``int ioctl(fd, VIDEO_FREEZE)`` + +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_FREEZE for this command. + +Description +----------- + +This ioctl is for Digital TV devices only. To control a V4L2 decoder use the +V4L2 :ref:`VIDIOC_DECODER_CMD` instead. + +This ioctl call suspends the live video stream being played. Decoding +and playing are frozen. It is then possible to restart the decoding and +playing process of the video stream using the VIDEO_CONTINUE command. +If VIDEO_SOURCE_MEMORY is selected in the ioctl call +VIDEO_SELECT_SOURCE, the Digital TV subsystem will not decode any more data +until the ioctl call VIDEO_CONTINUE or VIDEO_PLAY is performed. + +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. |