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Subject: Re: [PATCH] iio: light: acpi-als: Add a tuning parameter interface.
To: Enric Balletbo i Serra <enric.balletbo@collabora.com>,
        linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org,
        Jonathan Cameron <jic23@kernel.org>
References: <1473157554-4990-1-git-send-email-enric.balletbo@collabora.com>
Cc: Bryan Freed <bfreed@chromium.org>
From: Lars-Peter Clausen <lars@metafoo.de>
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Date: Tue, 6 Sep 2016 12:31:41 +0200
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On 09/06/2016 12:25 PM, Enric Balletbo i Serra wrote:
> From: Bryan Freed <bfreed@chromium.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?