diff options
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/media/vimc.dot | 4 | ||||
| -rw-r--r-- | Documentation/admin-guide/media/vimc.rst | 19 | ||||
| -rw-r--r-- | Documentation/admin-guide/media/vivid.rst | 14 |
3 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/admin-guide/media/vimc.dot b/Documentation/admin-guide/media/vimc.dot index 8e829c164626..92a5bb631235 100644 --- a/Documentation/admin-guide/media/vimc.dot +++ b/Documentation/admin-guide/media/vimc.dot @@ -5,9 +5,13 @@ digraph board { n00000001 [label="{{} | Sensor A\n/dev/v4l-subdev0 | {<port0> 0}}", shape=Mrecord, style=filled, fillcolor=green] n00000001:port0 -> n00000005:port0 [style=bold] n00000001:port0 -> n0000000b [style=bold] + n00000001 -> n00000002 + n00000002 [label="{{} | Lens A\n/dev/v4l-subdev5 | {<port0>}}", shape=Mrecord, style=filled, fillcolor=green] n00000003 [label="{{} | Sensor B\n/dev/v4l-subdev1 | {<port0> 0}}", shape=Mrecord, style=filled, fillcolor=green] n00000003:port0 -> n00000008:port0 [style=bold] n00000003:port0 -> n0000000f [style=bold] + n00000003 -> n00000004 + n00000004 [label="{{} | Lens B\n/dev/v4l-subdev6 | {<port0>}}", shape=Mrecord, style=filled, fillcolor=green] n00000005 [label="{{<port0> 0} | Debayer A\n/dev/v4l-subdev2 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green] n00000005:port1 -> n00000015:port0 n00000008 [label="{{<port0> 0} | Debayer B\n/dev/v4l-subdev3 | {<port1> 1}}", shape=Mrecord, style=filled, fillcolor=green] diff --git a/Documentation/admin-guide/media/vimc.rst b/Documentation/admin-guide/media/vimc.rst index 0b07f05dde25..3b4d2b36b4f3 100644 --- a/Documentation/admin-guide/media/vimc.rst +++ b/Documentation/admin-guide/media/vimc.rst @@ -53,6 +53,25 @@ vimc-sensor: * 1 Pad source +vimc-lens: + Ancillary lens for a sensor. Supports auto focus control. Linked to + a vimc-sensor using an ancillary link. The lens supports FOCUS_ABSOLUTE + control. + +.. code-block:: bash + + media-ctl -p + ... + - entity 28: Lens A (0 pad, 0 link) + type V4L2 subdev subtype Lens flags 0 + device node name /dev/v4l-subdev6 + - entity 29: Lens B (0 pad, 0 link) + type V4L2 subdev subtype Lens flags 0 + device node name /dev/v4l-subdev7 + v4l2-ctl -d /dev/v4l-subdev7 -C focus_absolute + focus_absolute: 0 + + vimc-debayer: Transforms images in bayer format into a non-bayer format. Exposes: diff --git a/Documentation/admin-guide/media/vivid.rst b/Documentation/admin-guide/media/vivid.rst index 6d7175f96f74..4f680dc9661c 100644 --- a/Documentation/admin-guide/media/vivid.rst +++ b/Documentation/admin-guide/media/vivid.rst @@ -714,6 +714,20 @@ The Test Pattern Controls are all specific to video capture. does the same for the EAV (End of Active Video) code. +- Insert Video Guard Band + + adds 4 columns of pixels with the HDMI Video Guard Band code at the + left hand side of the image. This only works with 3 or 4 byte RGB pixel + formats. The RGB pixel value 0xab/0x55/0xab turns out to be equivalent + to the HDMI Video Guard Band code that precedes each active video line + (see section 5.2.2.1 in the HDMI 1.3 Specification). To test if a video + receiver has correct HDMI Video Guard Band processing, enable this + control and then move the image to the left hand side of the screen. + That will result in video lines that start with multiple pixels that + have the same value as the Video Guard Band that precedes them. + Receivers that will just keep skipping Video Guard Band values will + now fail and either loose sync or these video lines will shift. + Capture Feature Selection Controls ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |