linux-kernel - Re: [PATCH 2/2] iio: potentiometer: Add driver support for AD5110

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Message-ID: <9de74da9-14b6-1533-e394-c7c8b056bce2@metafoo.de>
Date:   Sat, 7 Aug 2021 14:17:29 +0200
From:   Lars-Peter Clausen <lars@...afoo.de>
To:     Mugilraj Dhavachelvan <dmugil2000@...il.com>,
        Dragos.Bogdan@...log.com, Darius.Berghe@...log.com,
        Rob Herring <robh+dt@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Chris Packham <chris.packham@...iedtelesis.co.nz>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-iio@...r.kernel.org
Subject: Re: [PATCH 2/2] iio: potentiometer: Add driver support for AD5110

On 8/7/21 7:08 AM, Mugilraj Dhavachelvan wrote:
> +static const struct iio_chan_spec ad5110_channels[] = {
> +	{
> +		.type = IIO_RESISTANCE,
> +		.output = 1,
> +		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_OFFSET),
> +		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) |
> +						BIT(IIO_CHAN_INFO_ENABLE),
There is only on channel in this device. Why are some `separate` and 
others `shared_by_type`?