From: Hans Verkuil <hans.verkuil@cisco.com>
Date: Mon, 29 Jul 2013 11:40:57 +0000 (-0300)
Subject: [media] DocBook/media/v4l: il_* fields always 0 for progressive formats
X-Git-Tag: firefly_0821_release~176^2~3573^2~1461
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5d2db817df059aa1873560ea4d6f13624cbc823d;p=firefly-linux-kernel-4.4.55.git

[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>
---

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>