Commit 39146d11 authored by Yunke Cao's avatar Yunke Cao Committed by Mauro Carvalho Chehab
Browse files

media: vimc: documentation for lens 



Add documentation for vimc-lens.
Add a lens into the vimc topology graph.

Signed-off-by: default avatarYunke Cao <yunkec@google.com>
Signed-off-by: default avatarShuah Khan <skhan@linuxfoundation.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent ee8dadd7

Documentation/admin-guide/media/vimc.dot

+4 −0
Original line number Diff line number Diff line
@@ -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]

Documentation/admin-guide/media/vimc.rst

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@@ -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: