linux-kernel - Re: [PATCH v4 2/3] iio: light: Add support for AL3000a illuminance sensor

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Message-ID: <Z7OY_b3I1eyxpsIk@smile.fi.intel.com>
Date: Mon, 17 Feb 2025 22:15:57 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Svyatoslav Ryhel <clamor95@...il.com>
Cc: Jonathan Cameron <jic23@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Javier Carrasco <javier.carrasco.cruz@...il.com>,
	Matti Vaittinen <mazziesaccount@...il.com>,
	Emil Gedenryd <emil.gedenryd@...s.com>,
	Arthur Becker <arthur.becker@...tec.com>,
	Mudit Sharma <muditsharma.info@...il.com>,
	Per-Daniel Olsson <perdaniel.olsson@...s.com>,
	Subhajit Ghosh <subhajit.ghosh@...aklogic.com>,
	Ivan Orlov <ivan.orlov0322@...il.com>,
	David Heidelberg <david@...t.cz>, linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-tegra@...r.kernel.org
Subject: Re: [PATCH v4 2/3] iio: light: Add support for AL3000a illuminance
 sensor

On Mon, Feb 17, 2025 at 04:03:35PM +0200, Svyatoslav Ryhel wrote:
> AL3000a is a simple I2C-based ambient light sensor, which is
> closely related to AL3010 and AL3320a, but has significantly
> different way of processing data generated by the sensor.

LGTM, FWIW,
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

...

> +static void al3000a_set_pwr_off(void *_data)
> +{
> +	struct al3000a_data *data = _data;
> +	struct device *dev = regmap_get_device(data->regmap);
> +	int ret;
> +
> +	ret = regmap_write(data->regmap, AL3000A_REG_SYSTEM, AL3000A_CONFIG_DISABLE);
> +	if (ret)
> +		dev_err(dev, "failed to write system register\n");
> +
> +	ret = regulator_disable(data->vdd_supply);
> +	if (ret)
> +		dev_err(dev, "failed to disable vdd power supply\n");

I dunno what we can do on errors, but at least user will be informed what was
failed.

> +}

-- 
With Best Regards,
Andy Shevchenko