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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2014-03-07 13:33:28 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-03-13 15:17:48 +0100 |
| commit | 8ac43395677af08b03b3c5819f968db156a180d5 (patch) | |
| tree | 3351ad03dcdefef5b8bad16fd7fb6f3b4558dac2 /Documentation/DocBook | |
| parent | [media] DocBook media: clarify v4l2_buffer/plane fields (diff) | |
| download | linux-8ac43395677af08b03b3c5819f968db156a180d5.tar.xz linux-8ac43395677af08b03b3c5819f968db156a180d5.zip | |
[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>
Diffstat (limited to 'Documentation/DocBook')
| -rw-r--r-- | Documentation/DocBook/media/v4l/io.xml | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/Documentation/DocBook/media/v4l/io.xml b/Documentation/DocBook/media/v4l/io.xml index 0a5d8c6003cf..97a69bf6f3eb 100644 --- a/Documentation/DocBook/media/v4l/io.xml +++ b/Documentation/DocBook/media/v4l/io.xml @@ -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> |