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Diffstat (limited to 'Documentation/userspace-api/media/v4l/io.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/io.rst | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/Documentation/userspace-api/media/v4l/io.rst b/Documentation/userspace-api/media/v4l/io.rst index de0e2f529268..ce0cece6f35f 100644 --- a/Documentation/userspace-api/media/v4l/io.rst +++ b/Documentation/userspace-api/media/v4l/io.rst @@ -1,11 +1,5 @@ -.. 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 +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: V4L .. _io: @@ -16,8 +10,8 @@ The V4L2 API defines several different methods to read from or write to a device. All drivers exchanging data with applications must support at least one of them. -The classic I/O method using the :ref:`read() <func-read>` and -:ref:`write() <func-write>` function is automatically selected after opening a +The classic I/O method using the :c:func:`read()` and +:c:func:`write()` function is automatically selected after opening a V4L2 device. When the driver does not support this method attempts to read or write will fail at any time. @@ -45,7 +39,6 @@ closing and reopening the device. The following sections describe the various I/O methods in more detail. - .. toctree:: :maxdepth: 1 |