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Diffstat (limited to 'Documentation/userspace-api/media/mediactl/media-func-close.rst')
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diff --git a/Documentation/userspace-api/media/mediactl/media-func-close.rst b/Documentation/userspace-api/media/mediactl/media-func-close.rst new file mode 100644 index 000000000000..ceec61c9e7c5 --- /dev/null +++ b/Documentation/userspace-api/media/mediactl/media-func-close.rst @@ -0,0 +1,54 @@ +.. Permission is granted to copy, distribute and/or modify this +.. document under the terms of the GNU Free Documentation License, +.. Version 1.1 or any later version published by the Free Software +.. Foundation, with no Invariant Sections, no Front-Cover Texts +.. and no Back-Cover Texts. A copy of the license is included at +.. Documentation/userspace-api/media/fdl-appendix.rst. +.. +.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections + +.. _media-func-close: + +************* +media close() +************* + +Name +==== + +media-close - Close a media device + + +Synopsis +======== + +.. code-block:: c + + #include <unistd.h> + + +.. c:function:: int close( int fd ) + :name: mc-close + +Arguments +========= + +``fd`` + File descriptor returned by :c:func:`open() <mc-open>`. + + +Description +=========== + +Closes the media device. Resources associated with the file descriptor +are freed. The device configuration remain unchanged. + + +Return Value +============ + +:ref:`close() <media-func-close>` returns 0 on success. On error, -1 is returned, and +``errno`` is set appropriately. Possible error codes are: + +EBADF + ``fd`` is not a valid open file descriptor. |