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Commit 5d2db817 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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[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: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 25764158

Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml

+3 −3
Original line number Diff line number Diff line
@@ -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>