Re: [PATCH 2/2] extcon: arizona: Update device tree binding for mic detect configurations

[Rob Herring <robh@kernel.org>]

On Thu, Dec 10, 2015 at 05:08:19PM +0000, Charles Keepax wrote:
> Update the device tree binding documentation to include documentation for
> the wlf,micd-configs property that is used to specify the configurations
> for headset polarity detection (CTIA / OTMP).
> 
> Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>

Acked-by: Rob Herring <robh@kernel.org>

> ---
>  Documentation/devicetree/bindings/extcon/extcon-arizona.txt | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/extcon/extcon-arizona.txt b/Documentation/devicetree/bindings/extcon/extcon-arizona.txt
> index 238e10e..fd9b898 100644
> --- a/Documentation/devicetree/bindings/extcon/extcon-arizona.txt
> +++ b/Documentation/devicetree/bindings/extcon/extcon-arizona.txt
> @@ -37,5 +37,13 @@ Optional properties:
>      milliseconds.
>    - wlf,micd-force-micbias : Force MICBIAS continuously on during microphone
>      detection.
> +  - wlf,micd-configs : Headset polarity configurations (generally used for
> +    detection of CTIA / OMTP headsets), the field can be of variable length
> +    but should always be a multiple of 3 cells long, each three cell group
> +    represents one polarity configuration.
> +    The first cell defines the accessory detection pin, zero will use MICDET1
> +    and all other values will use MICDET2.
> +    The second cell represents the MICBIAS to be used.
> +    The third cell represents the value of the micd-pol-gpio pin.
>  
>    - wlf,gpsw : Settings for the general purpose switch
> -- 
> 2.1.4
> 
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