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[media] DocBook media: correct description of reserved fields

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Make sure that the documentation clearly states who is zeroing reserved
fields: drivers and/or applications.

This patch syncs the documentation with the checks that v4l2-compliance
and valgrind do.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2015-06-05 05:11:15 -03:00 committed by Mauro Carvalho Chehab
parent 5d3512514a
commit dc8b1c0e89
9 changed files with 23 additions and 18 deletions
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12
Documentation/DocBook/media/v4l/io.xml
View File

@ -841,15 +841,15 @@ is the file descriptor associated with a DMABUF buffer.</entry>
<entry>__u32</entry>
<entry><structfield>reserved2</structfield></entry>
<entry></entry>
<entry>A place holder for future extensions. Applications
should set this to 0.</entry>
<entry>A place holder for future extensions. Drivers and applications
must set this to 0.</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>reserved</structfield></entry>
<entry></entry>
<entry>A place holder for future extensions. Applications
should set this to 0.</entry>
<entry>A place holder for future extensions. Drivers and applications
must set this to 0.</entry>
</row>
</tbody>
</tgroup>
@ -930,8 +930,8 @@ should set this to 0.</entry>
<entry>__u32</entry>
<entry><structfield>reserved[11]</structfield></entry>
<entry></entry>
<entry>Reserved for future use. Should be zeroed by an
application.</entry>
<entry>Reserved for future use. Should be zeroed by drivers and
applications.</entry>
</row>
</tbody>
</tgroup>

8
Documentation/DocBook/media/v4l/pixfmt.xml
View File

@ -198,8 +198,8 @@ see <xref linkend="colorspaces" />.</entry>
<row>
<entry>__u16</entry>
<entry><structfield>reserved[6]</structfield></entry>
<entry>Reserved for future extensions. Should be zeroed by the
application.</entry>
<entry>Reserved for future extensions. Should be zeroed by drivers and
applications.</entry>
</row>
</tbody>
</tgroup>
@ -283,8 +283,8 @@ see <xref linkend="colorspaces" />.</entry>
<row>
<entry>__u8</entry>
<entry><structfield>reserved[7]</structfield></entry>
<entry>Reserved for future extensions. Should be zeroed by the
application.</entry>
<entry>Reserved for future extensions. Should be zeroed by drivers
and applications.</entry>
</row>
</tbody>
</tgroup>

3
Documentation/DocBook/media/v4l/vidioc-create-bufs.xml
View File

@ -134,7 +134,8 @@ information.</para>
<row>
<entry>__u32</entry>
<entry><structfield>reserved</structfield>[8]</entry>
<entry>A place holder for future extensions.</entry>
<entry>A place holder for future extensions. Drivers and applications
must set the array to zero.</entry>
</row>
</tbody>
</tgroup>

3
Documentation/DocBook/media/v4l/vidioc-enum-frameintervals.xml
View File

@ -217,7 +217,8 @@ enumerated.</entry>
<entry>__u32</entry>
<entry><structfield>reserved[2]</structfield></entry>
<entry></entry>
<entry>Reserved space for future use.</entry>
<entry>Reserved space for future use. Must be zeroed by drivers and
applications.</entry>
</row>
</tbody>
</tgroup>

3
Documentation/DocBook/media/v4l/vidioc-enum-framesizes.xml
View File

@ -223,7 +223,8 @@ application should zero out all members except for the
<entry>__u32</entry>
<entry><structfield>reserved[2]</structfield></entry>
<entry></entry>
<entry>Reserved space for future use.</entry>
<entry>Reserved space for future use. Must be zeroed by drivers and
applications.</entry>
</row>
</tbody>
</tgroup>

3
Documentation/DocBook/media/v4l/vidioc-expbuf.xml
View File

@ -184,7 +184,8 @@ of open() for more details.</entry>
<row>
<entry>__u32</entry>
<entry><structfield>reserved[11]</structfield></entry>
<entry>Reserved field for future use. Must be set to zero.</entry>
<entry>Reserved field for future use. Drivers and applications must
set the array to zero.</entry>
</row>
</tbody>
</tgroup>

2
Documentation/DocBook/media/v4l/vidioc-g-selection.xml
View File

@ -199,7 +199,7 @@ exist no rectangle</emphasis> that satisfies the constraints.</para>
<row>
<entry>__u32</entry>
<entry><structfield>reserved[9]</structfield></entry>
<entry>Reserved fields for future use.</entry>
<entry>Reserved fields for future use. Drivers and applications must zero this array.</entry>
</row>
</tbody>
</tgroup>

3
Documentation/DocBook/media/v4l/vidioc-querybuf.xml
View File

@ -60,7 +60,8 @@ buffer at any time after buffers have been allocated with the
field. Valid index numbers range from zero
to the number of buffers allocated with &VIDIOC-REQBUFS;
(&v4l2-requestbuffers; <structfield>count</structfield>) minus one.
The <structfield>reserved</structfield> field should to set to 0.
The <structfield>reserved</structfield> and <structfield>reserved2 </structfield>
fields must be set to 0.
When using the <link linkend="planar-apis">multi-planar API</link>, the
<structfield>m.planes</structfield> field must contain a userspace pointer to an
array of &v4l2-plane; and the <structfield>length</structfield> field has

4
Documentation/DocBook/media/v4l/vidioc-reqbufs.xml
View File

@ -112,8 +112,8 @@ as the &v4l2-format; <structfield>type</structfield> field. See <xref
<row>
<entry>__u32</entry>
<entry><structfield>reserved</structfield>[2]</entry>
<entry>A place holder for future extensions. This array should
be zeroed by applications.</entry>
<entry>A place holder for future extensions. Drivers and applications
must set the array to zero.</entry>
</row>
</tbody>
</tgroup>