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Message-ID: <73be8e49-3130-4dcd-9286-689ef55badd9@baylibre.com>
Date: Fri, 30 May 2025 10:39:27 -0500
From: David Lechner <dlechner@...libre.com>
To: Angelo Dureghello <adureghello@...libre.com>,
 Lars-Peter Clausen <lars@...afoo.de>,
 Michael Hennerich <Michael.Hennerich@...log.com>,
 Jonathan Cameron <jic23@...nel.org>, Nuno Sá
 <nuno.sa@...log.com>, Andy Shevchenko <andy@...nel.org>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] iio: adc: ad7606: add enabling of optional Vrefin
 voltage

On 5/30/25 9:27 AM, Angelo Dureghello wrote:
> From: Angelo Dureghello <adureghello@...libre.com>
> 
> Add optional refin voltage enabling. The property "refin-supply" is
> already available and optional in the current fdt dt_schema.
> 
> Signed-off-by: Angelo Dureghello <adureghello@...libre.com>
> ---
>  drivers/iio/adc/ad7606.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c
> index 3bbe9c05b5edbc11e8016c995c6ab64104836e7b..4fd9638eb6e56f800c7c97425e45e04f269e3df7 100644
> --- a/drivers/iio/adc/ad7606.c
> +++ b/drivers/iio/adc/ad7606.c
> @@ -1335,6 +1335,11 @@ int ad7606_probe(struct device *dev, int irq, void __iomem *base_address,
>  		return dev_err_probe(dev, ret,
>  				     "Failed to enable Vdrive supply\n");
>  
> +	ret = devm_regulator_get_enable_optional(dev, "refin");
> +	if (ret && ret != -ENODEV)
> +		return dev_err_probe(dev, ret,
> +				     "failed to enable REFIN voltage\n");

s/failed/Failed/
s/voltage/supply/

to be consistent with AVcc and Vdrive messages

> +
>  	st->chip_info = chip_info;
>  
>  	if (st->chip_info->oversampling_num) {
> 


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