Re: [PATCH] iio: light: opt3001: Add device tree binding documentation

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On Fri, Jan 29, 2016 at 01:03:00PM -0600, Andreas Dannenberg wrote:
> Signed-off-by: Andreas Dannenberg <dannenberg@xxxxxx>
> ---
>  .../devicetree/bindings/iio/light/opt3001.txt      | 26 ++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/light/opt3001.txt
> 
> diff --git a/Documentation/devicetree/bindings/iio/light/opt3001.txt b/Documentation/devicetree/bindings/iio/light/opt3001.txt
> new file mode 100644
> index 0000000..55b9cb3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/light/opt3001.txt
> @@ -0,0 +1,26 @@
> +* Texas Instruments OPT3001 Ambient Light Sensor
> +
> +The driver supports interrupt-driven and interrupt-less operation, depending
> +on whether an interrupt property has been populated into the DT. Note that
> +the optional generation of IIO events on rising/falling light threshold changes
> +requires the use of interrupts. Without interrupts, only the simple reading
> +of the current light value is supported through the IIO API.

Seems like you could poll and do the threshold changes in s/w. Anyway, 
that's all irrelevant to the DT binding.

Acked-by: Rob Herring <robh@xxxxxxxxxx>
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