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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2019-01-16 14:46:26 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-01-21 20:45:31 +0300 |
| commit | 07b8fd86556c64e8424f198f1b6a75ca194520f9 (patch) | |
| tree | f5e106e386385330cbdf1b917a50b97f3c99f6b4 /Documentation | |
| parent | 04ee6d614c0dbe4350c61e8909c2ca01e364884d (diff) | |
| download | linux-07b8fd86556c64e8424f198f1b6a75ca194520f9.tar.xz | |
media: vidioc-prepare-buf.rst: drop reference to NO_CACHE flags
This was never implemented, so do not document this.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/media/uapi/v4l/vidioc-prepare-buf.rst | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-prepare-buf.rst b/Documentation/media/uapi/v4l/vidioc-prepare-buf.rst index 60986710967b..7c6b5f4e1011 100644 --- a/Documentation/media/uapi/v4l/vidioc-prepare-buf.rst +++ b/Documentation/media/uapi/v4l/vidioc-prepare-buf.rst @@ -43,10 +43,7 @@ Applications can optionally call the :ref:`VIDIOC_PREPARE_BUF` ioctl to pass ownership of the buffer to the driver before actually enqueuing it, using the :ref:`VIDIOC_QBUF <VIDIOC_QBUF>` ioctl, and to prepare it for future I/O. Such preparations may include cache invalidation or cleaning. Performing them -in advance saves time during the actual I/O. In case such cache -operations are not required, the application can use one of -``V4L2_BUF_FLAG_NO_CACHE_INVALIDATE`` and -``V4L2_BUF_FLAG_NO_CACHE_CLEAN`` flags to skip the respective step. +in advance saves time during the actual I/O. The struct :c:type:`v4l2_buffer` structure is specified in :ref:`buffer`. |