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Date: Thu, 14 Sep 2023 09:52:34 -0500
From: Rob Herring <robh@kernel.org>
To: John Watts <contact@jookia.org>
Cc: alsa-devel@alsa-project.org, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, patches@opensource.cirrus.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/3] ASoC: dt-bindings: wlf,wm8782: Add wlf,fsampen
 property
Message-ID: <20230914145234.GA1275176-robh@kernel.org>
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 <20230913171552.92252-4-contact@jookia.org>
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In-Reply-To: <20230913171552.92252-4-contact@jookia.org>

On Thu, Sep 14, 2023 at 03:15:52AM +1000, John Watts wrote:
> The WM8782 can safely support rates higher than 48kHz by changing the
> value of the FSAMPEN pin.
> 
> Allow specifying the FSAMPEN pin value in the device tree.
> 
> Signed-off-by: John Watts <contact@jookia.org>
> ---
>  Documentation/devicetree/bindings/sound/wm8782.txt | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sound/wm8782.txt b/Documentation/devicetree/bindings/sound/wm8782.txt
> index 256cdec6ec4d..d217a616e103 100644
> --- a/Documentation/devicetree/bindings/sound/wm8782.txt
> +++ b/Documentation/devicetree/bindings/sound/wm8782.txt
> @@ -8,10 +8,15 @@ Required properties:
>   - Vdda-supply : phandle to a regulator for the analog power supply (2.7V - 5.5V)
>   - Vdd-supply  : phandle to a regulator for the digital power supply (2.7V - 3.6V)
>  
> +Optional properties:
> +
> + - wlf,fsampen : FSAMPEN pin value, 0 for low, 1 for high, 2 for disconnected

What's the default if the property is not present?

> +
>  Example:
>  
>  wm8782: stereo-adc {
>  	compatible = "wlf,wm8782";
>  	Vdda-supply = <&vdda_supply>;
>  	Vdd-supply = <&vdd_supply>;
> +	wlf,fsampen = <2>; /* 192KHz */
>  };
> -- 
> 2.42.0
>