linux-kernel - Re: [PATCH v11 3/3] i2c: muxes: pca954x: Add regulator support

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Date:   Fri, 14 Apr 2023 12:47:47 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Patrick Rudolph <patrick.rudolph@...ements.com>
Cc:     Peter Rosin <peda@...ntia.se>, Liam Girdwood <lgirdwood@...il.com>,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v11 3/3] i2c: muxes: pca954x: Add regulator support

On Fri, Apr 14, 2023 at 01:01:36PM +0200, Patrick Rudolph wrote:

> +	data->supply = devm_regulator_get_optional(dev, "vdd");
> +	if (IS_ERR(data->supply)) {
> +		ret = PTR_ERR(data->supply);

Unless the device can work without power it should be using a normal
regulator_get().

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