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Diffstat (limited to 'Documentation/userspace-api/media/dvb/video-set-blank.rst')
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diff --git a/Documentation/userspace-api/media/dvb/video-set-blank.rst b/Documentation/userspace-api/media/dvb/video-set-blank.rst new file mode 100644 index 000000000..70249a6ba --- /dev/null +++ b/Documentation/userspace-api/media/dvb/video-set-blank.rst @@ -0,0 +1,64 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: DTV.video + +.. _VIDEO_SET_BLANK: + +=============== +VIDEO_SET_BLANK +=============== + +Name +---- + +VIDEO_SET_BLANK + +.. attention:: This ioctl is deprecated. + +Synopsis +-------- + +.. c:macro:: VIDEO_SET_BLANK + +``int ioctl(fd, VIDEO_SET_BLANK, boolean mode)`` + +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. |