linux-kernel - Re: [PATCH] iio: light: acpi-als: Add a tuning parameter interface.

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Message-ID: <6b262774-fb80-7212-5426-dfc055689865@metafoo.de>
Date:   Tue, 6 Sep 2016 12:31:41 +0200
From:   Lars-Peter Clausen <lars@...afoo.de>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        Jonathan Cameron <jic23@...nel.org>
Cc:     Bryan Freed <bfreed@...omium.org>
Subject: Re: [PATCH] iio: light: acpi-als: Add a tuning parameter interface.

On 09/06/2016 12:25 PM, Enric Balletbo i Serra wrote:
> From: Bryan Freed <bfreed@...omium.org>
> 
> Add IIO_CHAN_INFO_CALIBSCALE to the channel to scale up or down
> the raw measurements through the IIO framework.
> 
> Add IIO_CHAN_INFO_PROCESSED to provide the interface to read the
> scaled measurements through the in_illuminance_input file.

What is the use-case for this, how is this interface supposed to be used?