Re: [PATCH 1/2] dt-bindings: media: Add "upside-down" property to tell sensor orientation

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Hi,

On Thu, May 03, 2018 at 12:31:14AM +0300, Sakari Ailus wrote:
> Camera sensors are occasionally mounted upside down. In order to use such
> a sensor without having to turn every image upside down separately, most
> camera sensors support reversing the readout order by setting both
> horizontal and vertical flipping.
> 
> This patch adds a boolean property to tell a sensor is mounted upside
> down.
> 
> Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>

I think the DT binding should use a rotation property instead,
similar to the panel bindings:

Documentation/devicetree/bindings/display/panel/panel.txt

-- Sebastian

> ---
>  Documentation/devicetree/bindings/media/video-interfaces.txt | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt b/Documentation/devicetree/bindings/media/video-interfaces.txt
> index 258b8dfddf48..2a3e4ec4ea27 100644
> --- a/Documentation/devicetree/bindings/media/video-interfaces.txt
> +++ b/Documentation/devicetree/bindings/media/video-interfaces.txt
> @@ -85,6 +85,9 @@ Optional properties
>  
>  - lens-focus: A phandle to the node of the focus lens controller.
>  
> +- upside-down: The device, typically an image sensor, is mounted upside
> +  down in the system.
> +
>  
>  Optional endpoint properties
>  ----------------------------
> -- 
> 2.11.0
> 

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