linux-kernel - [PATCH 7/7] media: vimc.rst: Add output device

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Message-Id: <20190702154752.14939-8-andrealmeid@collabora.com>
Date:   Tue,  2 Jul 2019 12:47:52 -0300
From:   André Almeida <andrealmeid@...labora.com>
To:     linux-media@...r.kernel.org
Cc:     mchehab@...nel.org, hverkuil@...all.nl, helen.koike@...labora.com,
        kernel@...labora.com, linux-kernel@...r.kernel.org,
        André Almeida <andrealmeid@...labora.com>
Subject: [PATCH 7/7] media: vimc.rst: Add output device

Add information about the output device. Remove wrong information about
what the capture exposes.

Signed-off-by: André Almeida <andrealmeid@...labora.com>
---
 Documentation/media/v4l-drivers/vimc.rst | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/Documentation/media/v4l-drivers/vimc.rst b/Documentation/media/v4l-drivers/vimc.rst
index 4628b12d417f..ccc04101ea51 100644
--- a/Documentation/media/v4l-drivers/vimc.rst
+++ b/Documentation/media/v4l-drivers/vimc.rst
@@ -4,7 +4,8 @@ The Virtual Media Controller Driver (vimc)
 ==========================================
 
 The vimc driver emulates complex video hardware using the V4L2 API and the Media
-API. It has a capture device and three subdevices: sensor, debayer and scaler.
+API. It has a capture device, an output device and three subdevices: sensor,
+debayer and scaler.
 
 Topology
 --------
@@ -40,6 +41,7 @@ of commands fits for the default topology:
         v4l2-ctl -z platform:vimc -d "RGB/YUV Capture" -v width=1920,height=1440
         v4l2-ctl -z platform:vimc -d "Raw Capture 0" -v pixelformat=BA81
         v4l2-ctl -z platform:vimc -d "Raw Capture 1" -v pixelformat=BA81
+        v4l2-ctl -z platform:vimc -e "RGB/YUV Input" -v width=640,height=480
 
 Subdevices
 ----------
@@ -74,7 +76,13 @@ vimc-capture:
 	Exposes:
 
 	* 1 Pad sink
-	* 1 Pad source
+
+vimc-output:
+        Exposes node /dev/videoX to allow userspace to send frames to the
+        stream.
+        Exposes:
+
+        * 1 Source sink
 
 Module options
 ---------------
-- 
2.22.0