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authorHans Verkuil <hans.verkuil@cisco.com>2015-03-20 14:05:02 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-04-02 22:11:55 -0300
commit924b34ea48252cdf258aec759638b61c7d82f282 (patch)
treee4ad7aba2ba25e240a5523680a815cdb8dcc9c6c /Documentation/DocBook
parente202e515b7278e4b418df3ceafae3fdd2bd31128 (diff)
downloadkernel-924b34ea48252cdf258aec759638b61c7d82f282.tar.gz
[media] DocBook media: improve V4L2_DV_FL_HALF_LINE documentation
Explicitly specify where the half-line is added or removed in each field. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Cc: Prashant Laddha <prladdha@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'Documentation/DocBook')
-rw-r--r--Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml9
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml b/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml
index c4336577ff06..7d10784a0fce 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml
@@ -318,10 +318,11 @@ can't generate such frequencies, then the flag will also be cleared.
</row>
<row>
<entry>V4L2_DV_FL_HALF_LINE</entry>
- <entry>Specific to interlaced formats: if set, then field 1 (aka the odd field)
-is really one half-line longer and field 2 (aka the even field) is really one half-line
-shorter, so each field has exactly the same number of half-lines. Whether half-lines can be
-detected or used depends on the hardware.
+ <entry>Specific to interlaced formats: if set, then the vertical frontporch
+of field 1 (aka the odd field) is really one half-line longer and the vertical backporch
+of field 2 (aka the even field) is really one half-line shorter, so each field has exactly
+the same number of half-lines. Whether half-lines can be detected or used depends on
+the hardware.
</entry>
</row>
</tbody>