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Date:   Thu, 7 Jul 2022 00:09:38 +0300
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Subject: Re: [PATCH v6 2/2] iio: light: Add support for ltrf216a sensor
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To:     Shreeya Patel <shreeya.patel@collabora.com>, jic23@kernel.org,
        lars@metafoo.de, robh+dt@kernel.org, Zhigang.Shi@liteon.com,
        krisman@collabora.com
Cc:     linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, kernel@collabora.com,
        alvaro.soliverez@collabora.com, andy.shevchenko@gmail.com,
        digetx@gmail.com, kernel test robot <lkp@intel.com>
References: <20220615135130.227236-1-shreeya.patel@collabora.com>
 <20220615135130.227236-3-shreeya.patel@collabora.com>
From:   Dmitry Osipenko <dmitry.osipenko@collabora.com>
In-Reply-To: <20220615135130.227236-3-shreeya.patel@collabora.com>
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On 6/15/22 16:51, Shreeya Patel wrote:
> +static int ltrf216a_probe(struct i2c_client *client)
> +{
> +	struct ltrf216a_data *data;
> +	struct iio_dev *indio_dev;
> +	int ret;
> +
> +	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
> +	if (!indio_dev)
> +		return -ENOMEM;
> +
> +	data = iio_priv(indio_dev);
> +	i2c_set_clientdata(client, indio_dev);
> +	data->client = client;
> +
> +	mutex_init(&data->lock);
> +
> +	indio_dev->info = &ltrf216a_info;
> +	indio_dev->name = LTRF216A_DRV_NAME;
> +	indio_dev->channels = ltrf216a_channels;
> +	indio_dev->num_channels = ARRAY_SIZE(ltrf216a_channels);
> +	indio_dev->modes = INDIO_DIRECT_MODE;
> +
> +	/* reset sensor, chip fails to respond to this, so ignore any errors */
> +	ltrf216a_reset(indio_dev);

Shouldn't SW resetting be done after enabling sensor? Perhaps that's why
it fails to respond?

-- 
Best regards,
Dmitry