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media: dt-bindings: media: Define "rotation" property for sensors

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Sensors are occasionally mounted upside down to systems such as mobile
phones or tablets. In order to use such a sensor without having to turn
every image upside down, most camera sensors support reversing the readout
order by setting both horizontal and vertical flipping.

This patch documents the "rotation" property for camera sensors, mirroring
what is defined for displays in
Documentation/devicetree/bindings/display/panel/panel.txt .

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Sakari Ailus 2018-05-02 16:47:20 -04:00 committed by Mauro Carvalho Chehab
parent e1a98c163e
commit 6d4e7919d7
1 changed files with 4 additions and 0 deletions
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4
Documentation/devicetree/bindings/media/video-interfaces.txt
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@ -85,6 +85,10 @@ Optional properties
- lens-focus: A phandle to the node of the focus lens controller.
- rotation: The device, typically an image sensor, is not mounted upright,
but a number of degrees counter clockwise. Typical values are 0 and 180
(upside down).
Optional endpoint properties
----------------------------