Re: [PATCH 2/2] input: gpio-keys: add support to name the gpio-keys

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On Tue, Jan 12, 2016 at 05:02:50PM +0530, Laxman Dewangan wrote:
> Add support from DT to name the gpio-keys driver to have
> desired key name for this input system.
> 
> This helps userspace code to get name and perform proper
> event to key mapping in some of cases. In android, the
> user space map the key code to application code using
> key character layout and for this it uses the name of
> input system.

Why is specifying the key code not enough?

> Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/input/gpio-keys.txt | 1 +
>  drivers/input/keyboard/gpio_keys.c                    | 2 ++
>  2 files changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/input/gpio-keys.txt b/Documentation/devicetree/bindings/input/gpio-keys.txt
> index cf1333d..2e6bcd2 100644
> --- a/Documentation/devicetree/bindings/input/gpio-keys.txt
> +++ b/Documentation/devicetree/bindings/input/gpio-keys.txt
> @@ -4,6 +4,7 @@ Required properties:
>  	- compatible = "gpio-keys";
>  
>  Optional properties:
> +	- gpio-keys,name: String, name of the gpio-keys input system.

gpio-keys is not a vendor.

Would "label" work for you instead?

Either way, I'm concerned this doesn't work for other key bindings 
which have multiple keys.

>  	- autorepeat: Boolean, Enable auto repeat feature of Linux input
>  	  subsystem.
>  
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