linux-kernel - Re: [PATCH v2] dt-bindings: iio: dac: Change the I2C slave address for ds4422/4424 to its correct value

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Message-ID: <1ce4ba01-074e-861a-e4f0-d5a0c9cc1fc3@linaro.org>
Date:   Tue, 11 Oct 2022 08:10:29 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Rajat Khandelwal <rajat.khandelwal@...ux.intel.com>,
        jic23@...nel.org, lars@...afoo.de, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, ihkose@...il.com
Cc:     linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, rajat.khandelwal@...el.com
Subject: Re: [PATCH v2] dt-bindings: iio: dac: Change the I2C slave address
 for ds4422/4424 to its correct value

On 12/10/2022 03:44, Rajat Khandelwal wrote:
> The datasheet states that the slave address for the device is 0x20
> when the pins A0 and A1 are ground. The DT binding has been using
> 0x10 as the value and I think it should be 0x20 as per datasheet.
> 
> Signed-off-by: Rajat Khandelwal <rajat.khandelwal@...ux.intel.com>
> ---
> 
> v2:
> 1. Subject prefix added
> 2. DT bindings validated

No, still wrong. Nothing was validated.

> 
>  Documentation/devicetree/bindings/iio/dac/maxim,ds4424.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/iio/dac/maxim,ds4424.yaml b/Documentation/devicetree/bindings/iio/dac/maxim,ds4424.yaml
> index 264fa7c5fe3a..1955b1a97cd6 100644
> --- a/Documentation/devicetree/bindings/iio/dac/maxim,ds4424.yaml
> +++ b/Documentation/devicetree/bindings/iio/dac/maxim,ds4424.yaml
> @@ -38,7 +38,7 @@ examples:
>  
>          dac@10 {
>              compatible = "maxim,ds4424";
> -            reg = <0x10>; /* When A0, A1 pins are ground */
> +            reg = <0x20>; /* When A0, A1 pins are ground */

Nothing improved here.

Best regards,
Krzysztof