1.. Permission is granted to copy, distribute and/or modify this 2.. document under the terms of the GNU Free Documentation License, 3.. Version 1.1 or any later version published by the Free Software 4.. Foundation, with no Invariant Sections, no Front-Cover Texts 5.. and no Back-Cover Texts. A copy of the license is included at 6.. Documentation/media/uapi/fdl-appendix.rst. 7.. 8.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections 9 10.. _VIDEO_SET_BLANK: 11 12=============== 13VIDEO_SET_BLANK 14=============== 15 16Name 17---- 18 19VIDEO_SET_BLANK 20 21.. attention:: This ioctl is deprecated. 22 23Synopsis 24-------- 25 26.. c:function:: int ioctl(fd, VIDEO_SET_BLANK, boolean mode) 27 :name: VIDEO_SET_BLANK 28 29 30Arguments 31--------- 32 33.. flat-table:: 34 :header-rows: 0 35 :stub-columns: 0 36 37 38 - .. row 1 39 40 - int fd 41 42 - File descriptor returned by a previous call to open(). 43 44 - .. row 2 45 46 - int request 47 48 - Equals VIDEO_SET_BLANK for this command. 49 50 - .. row 3 51 52 - boolean mode 53 54 - TRUE: Blank screen when stop. 55 56 - .. row 4 57 58 - 59 - FALSE: Show last decoded frame. 60 61 62Description 63----------- 64 65This ioctl call asks the Video Device to blank out the picture. 66 67 68Return Value 69------------ 70 71On success 0 is returned, on error -1 and the ``errno`` variable is set 72appropriately. The generic error codes are described at the 73:ref:`Generic Error Codes <gen-errors>` chapter. 74