summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorYunke Cao <yunkec@google.com>2022-06-29 03:06:30 +0100
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-07-15 14:44:51 +0100
commit39146d11411cddda8a7bcabc2c7deb0ddea865a4 (patch)
tree05b3424da00a0d50db608015ce8a35511850a347
parentee8dadd7704810f4319d0b469c59e6812ef0115f (diff)
downloadlinux-stable-39146d11411cddda8a7bcabc2c7deb0ddea865a4.tar.gz
linux-stable-39146d11411cddda8a7bcabc2c7deb0ddea865a4.tar.bz2
linux-stable-39146d11411cddda8a7bcabc2c7deb0ddea865a4.zip
media: vimc: documentation for lens
Add documentation for vimc-lens. Add a lens into the vimc topology graph. Signed-off-by: Yunke Cao <yunkec@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
-rw-r--r--Documentation/admin-guide/media/vimc.dot4
-rw-r--r--Documentation/admin-guide/media/vimc.rst19
2 files changed, 23 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: