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| author | Tomasz Stanislawski <t.stanislaws@samsung.com> | 2012-06-14 11:32:22 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-11-25 17:20:55 -0200 |
| commit | 19b6ef51640fb35666884c7b577b1a24a4be8e34 (patch) | |
| tree | fea5f251a36e7c076ffe7cf19d7dec7d8dcf0f56 /Documentation/DocBook/media/v4l/io.xml | |
| parent | b799d09a157da71566e8013a62073435550cab6d (diff) | |
[media] Documentation: media: description of DMABUF exporting in V4L2
This patch adds description and usage examples for exporting
DMABUF file descriptor in V4L2.
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'Documentation/DocBook/media/v4l/io.xml')
| -rw-r--r-- | Documentation/DocBook/media/v4l/io.xml | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/DocBook/media/v4l/io.xml b/Documentation/DocBook/media/v4l/io.xml index be0fad7e120..388a3403265 100644 --- a/Documentation/DocBook/media/v4l/io.xml +++ b/Documentation/DocBook/media/v4l/io.xml @@ -488,6 +488,9 @@ DMA buffer from userspace using a file descriptor previously exported for a different or the same device (known as the importer role), or both. This section describes the DMABUF importer role API in V4L2.</para> + <para>Refer to <link linked="vidioc-expbuf"> DMABUF exporting </link> for +details about exporting V4L2 buffers as DMABUF file descriptors.</para> + <para>Input and output devices support the streaming I/O method when the <constant>V4L2_CAP_STREAMING</constant> flag in the <structfield>capabilities</structfield> field of &v4l2-capability; returned by |