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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /Documentation/media/uapi/dvb/video-set-blank.rst | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/media/uapi/dvb/video-set-blank.rst')
-rw-r--r-- | Documentation/media/uapi/dvb/video-set-blank.rst | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/Documentation/media/uapi/dvb/video-set-blank.rst b/Documentation/media/uapi/dvb/video-set-blank.rst new file mode 100644 index 000000000..3858c6949 --- /dev/null +++ b/Documentation/media/uapi/dvb/video-set-blank.rst @@ -0,0 +1,66 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _VIDEO_SET_BLANK: + +=============== +VIDEO_SET_BLANK +=============== + +Name +---- + +VIDEO_SET_BLANK + +.. attention:: This ioctl is deprecated. + +Synopsis +-------- + +.. c:function:: int ioctl(fd, VIDEO_SET_BLANK, boolean mode) + :name: VIDEO_SET_BLANK + + +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_BLANK for this command. + + - .. row 3 + + - boolean mode + + - TRUE: Blank screen when stop. + + - .. row 4 + + - + - FALSE: Show last decoded frame. + + +Description +----------- + +This ioctl call asks the Video Device to blank out the picture. + + +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. |