threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
50 lines
796 B
ReStructuredText
50 lines
796 B
ReStructuredText
.. -*- coding: utf-8; mode: rst -*-
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.. _func-close:
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************
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V4L2 close()
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************
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Name
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====
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v4l2-close - Close a V4L2 device
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Synopsis
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========
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.. code-block:: c
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#include <unistd.h>
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.. c:function:: int close( int fd )
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:name: v4l2-close
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Arguments
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=========
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``fd``
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File descriptor returned by :ref:`open() <func-open>`.
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Description
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===========
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Closes the device. Any I/O in progress is terminated and resources
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associated with the file descriptor are freed. However data format
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parameters, current input or output, control values or other properties
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remain unchanged.
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Return Value
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============
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The function returns 0 on success, -1 on failure and the ``errno`` is
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set appropriately. Possible error codes:
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EBADF
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``fd`` is not a valid open file descriptor.
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