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[media] DocBook media: fix broken FIELD_ALTERNATE description 

The sizeimage is that of a single field, not that of a full frame.
That makes no sense, and in fact all drivers supporting ALTERNATE will
set sizeimage to that of a field.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Hans Verkuil 2014-03-07 09:33:28 -03:00 committed by Mauro Carvalho Chehab
parent 22a437cd63
commit 8ac4339567
1 changed files with 3 additions and 4 deletions
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Documentation/DocBook/media/v4l/io.xml
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@ -1470,10 +1470,9 @@ or application, depending on data direction, must set &v4l2-buffer;
<constant>V4L2_FIELD_BOTTOM</constant>. Any two successive fields pair
to build a frame. If fields are successive, without any dropped fields
between them (fields can drop individually), can be determined from
the &v4l2-buffer; <structfield>sequence</structfield> field. Image
sizes refer to the frame, not fields. This format cannot be selected
when using the read/write I/O method.<!-- Where it's indistinguishable
from V4L2_FIELD_SEQ_*. --></entry>
the &v4l2-buffer; <structfield>sequence</structfield> field. This format
cannot be selected when using the read/write I/O method since there
is no way to communicate if a field was a top or bottom field.</entry>
</row>
<row>
<entry><constant>V4L2_FIELD_INTERLACED_TB</constant></entry>