X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-linux.git;a=blobdiff_plain;f=Documentation%2FDocBook%2Fmedia%2Fv4l%2Fvidioc-expbuf.xml;h=0ae0b6a915d0d49b64b5c8182fe7c1950915202b;hp=a78c9207422f7ab60360fb53021070e8b03b878c;hb=f05bd12f0e9c6da2b58e1ddd4b3edeae5ee35c20;hpb=7a834ba5e26e9e4afabf3cce9ca8cd1c6c3dce50
diff --git a/Documentation/DocBook/media/v4l/vidioc-expbuf.xml b/Documentation/DocBook/media/v4l/vidioc-expbuf.xml
index a78c9207422f..0ae0b6a915d0 100644
--- a/Documentation/DocBook/media/v4l/vidioc-expbuf.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-expbuf.xml
@@ -62,28 +62,28 @@ buffer as a DMABUF file at any time after buffers have been allocated with the
&VIDIOC-REQBUFS; ioctl.
To export a buffer, applications fill &v4l2-exportbuffer;. The
- type field is set to the same buffer type as was
-previously used with &v4l2-requestbuffers; type .
-Applications must also set the index field. Valid
+type field is set to the same buffer type as was
+previously used with &v4l2-requestbuffers; type.
+Applications must also set the index field. Valid
index numbers range from zero to the number of buffers allocated with
-&VIDIOC-REQBUFS; (&v4l2-requestbuffers; count )
-minus one. For the multi-planar API, applications set the plane
- field to the index of the plane to be exported. Valid planes
+&VIDIOC-REQBUFS; (&v4l2-requestbuffers; count)
+minus one. For the multi-planar API, applications set the plane
+field to the index of the plane to be exported. Valid planes
range from zero to the maximal number of valid planes for the currently active
-format. For the single-planar API, applications must set plane
- to zero. Additional flags may be posted in the
-flags field. Refer to a manual for open() for details.
+format. For the single-planar API, applications must set plane
+to zero. Additional flags may be posted in the flags
+field. Refer to a manual for open() for details.
Currently only O_CLOEXEC, O_RDONLY, O_WRONLY, and O_RDWR are supported. All
other fields must be set to zero.
In the case of multi-planar API, every plane is exported separately using
-multiple VIDIOC_EXPBUF calls.
+multiple VIDIOC_EXPBUF calls.
- After calling VIDIOC_EXPBUF the fd
- field will be set by a driver. This is a DMABUF file
+After calling VIDIOC_EXPBUF the fd
+field will be set by a driver. This is a DMABUF file
descriptor. The application may pass it to other DMABUF-aware devices. Refer to
DMABUF importing for details about importing
DMABUF files into V4L2 nodes. It is recommended to close a DMABUF file when it
-is no longer used to allow the associated memory to be reclaimed.
+is no longer used to allow the associated memory to be reclaimed.
@@ -170,9 +170,9 @@ multi-planar API. Otherwise this value must be set to zero.
__u32flags
- Flags for the newly created file, currently only
-O_CLOEXEC , O_RDONLY, O_WRONLY
-, and O_RDWR are supported, refer to the manual
+ Flags for the newly created file, currently only
+O_CLOEXEC, O_RDONLY, O_WRONLY,
+and O_RDWR are supported, refer to the manual
of open() for more details.
@@ -200,9 +200,9 @@ set the array to zero.
EINVALA queue is not in MMAP mode or DMABUF exporting is not
-supported or flags or type
- or index or plane
- fields are invalid.
+supported or flags or type
+or index or plane fields
+are invalid.