The description of V4L2_DV_FL_HALF_LINE mixed up frontporch with backporch.
It's the backporch that has different sizes for interlaced formats, the frontporch
remains constant.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
diff --git a/Documentation/media/uapi/v4l/ b/Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst
index 2696380626d4..1a034e825161 100644
--- a/Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst
+++ b/Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst
@@ -267,7 +267,7 @@ EBUSY
will also be cleared.
* - ``V4L2_DV_FL_HALF_LINE``
- Specific to interlaced formats: if set, then the vertical
- frontporch of field 1 (aka the odd field) is really one half-line
+ backporch 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
