--- zzzz-none-000/linux-3.10.107/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml 2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml 2021-02-04 17:41:59.000000000 +0000
@@ -7,6 +7,8 @@
VIDIOC_G_DV_TIMINGS
VIDIOC_S_DV_TIMINGS
+ VIDIOC_SUBDEV_G_DV_TIMINGS
+ VIDIOC_SUBDEV_S_DV_TIMINGS
Get or set DV timings for input or output
@@ -34,7 +36,7 @@
request
- VIDIOC_G_DV_TIMINGS, VIDIOC_S_DV_TIMINGS
+ VIDIOC_G_DV_TIMINGS, VIDIOC_S_DV_TIMINGS, VIDIOC_SUBDEV_G_DV_TIMINGS, VIDIOC_SUBDEV_S_DV_TIMINGS
@@ -156,19 +158,19 @@
__u32
il_vfrontporch
Vertical front porch in lines for the even field (aka field 2) of
- interlaced field formats.
+ interlaced field formats. Must be 0 for progressive formats.
__u32
il_vsync
Vertical sync length in lines for the even field (aka field 2) of
- interlaced field formats.
+ interlaced field formats. Must be 0 for progressive formats.
__u32
il_vbackporch
Vertical back porch in lines for the even field (aka field 2) of
- interlaced field formats.
+ interlaced field formats. Must be 0 for progressive formats.
__u32
@@ -318,10 +320,20 @@
V4L2_DV_FL_HALF_LINE
- 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.
+ 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.
+
+
+
+ V4L2_DV_FL_IS_CE_VIDEO
+ If set, then this is a Consumer Electronics (CE) video format.
+Such formats differ from other formats (commonly called IT formats) in that if
+R'G'B' encoding is used then by default the R'G'B' values use limited range
+(i.e. 16-235) as opposed to full range (i.e. 0-255). All formats defined in CEA-861
+except for the 640x480p59.94 format are CE formats.