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authorHans Verkuil <hans.verkuil@cisco.com>2013-07-29 08:40:57 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2013-08-18 08:17:14 -0300
commit5d2db817df059aa1873560ea4d6f13624cbc823d (patch)
treea3abb8e1aa4bd9a1cd78e29723d1787ee246f38f /Documentation/DocBook
parent2576415846bcbad3c0a6885fc44f950837106364 (diff)
downloadlinux-5d2db817df059aa1873560ea4d6f13624cbc823d.tar.bz2
[media] DocBook/media/v4l: il_* fields always 0 for progressive formats
Clarify that the il_vfrontporch, il_vsync and il_vbackporch fields must always be 0 for progressive formats. 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/vidioc-g-dv-timings.xml6
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml b/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml
index 72369707bd77..c4336577ff06 100644
--- a/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml
@@ -156,19 +156,19 @@ bit 0 (V4L2_DV_VSYNC_POS_POL) is for vertical sync polarity and bit 1 (V4L2_DV_H
<entry>__u32</entry>
<entry><structfield>il_vfrontporch</structfield></entry>
<entry>Vertical front porch in lines for the even field (aka field 2) of
- interlaced field formats.</entry>
+ interlaced field formats. Must be 0 for progressive formats.</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>il_vsync</structfield></entry>
<entry>Vertical sync length in lines for the even field (aka field 2) of
- interlaced field formats.</entry>
+ interlaced field formats. Must be 0 for progressive formats.</entry>
</row>
<row>
<entry>__u32</entry>
<entry><structfield>il_vbackporch</structfield></entry>
<entry>Vertical back porch in lines for the even field (aka field 2) of
- interlaced field formats.</entry>
+ interlaced field formats. Must be 0 for progressive formats.</entry>
</row>
<row>
<entry>__u32</entry>