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From: Yunke Cao <yunkec@google.com>
To: Mauro Carvalho Chehab <mchehab@kernel.org>,
	Shuah Khan <skhan@linuxfoundation.org>,
	Kieran Bingham <kieran.bingham@ideasonboard.com>
Cc: Tomasz Figa <tfiga@chromium.org>,
	linux-media@vger.kernel.org, Yunke Cao <yunkec@google.com>
Subject: [RESEND PATCH v3 2/2] media: vimc: documentation for lens
Date: Wed, 29 Jun 2022 11:06:30 +0900	[thread overview]
Message-ID: <20220629020630.2865785-3-yunkec@google.com> (raw)
In-Reply-To: <20220629020630.2865785-1-yunkec@google.com>

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

Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Yunke Cao <yunkec@google.com>
---
 Documentation/admin-guide/media/vimc.dot |  4 ++++
 Documentation/admin-guide/media/vimc.rst | 19 +++++++++++++++++++
 2 files changed, 23 insertions(+)

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:
-- 
2.37.0.rc0.161.g10f37bed90-goog


  parent reply	other threads:[~2022-06-29  2:06 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-29  2:06 [RESEND PATCH v3 0/2] media:vimc:add ancillary lens Yunke Cao
2022-06-29  2:06 ` [RESEND PATCH v3 1/2] media: vimc: add " Yunke Cao
2022-06-29  2:06 ` Yunke Cao [this message]
2022-06-29 19:00   ` [RESEND PATCH v3 2/2] media: vimc: documentation for lens Shuah Khan

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