From: Jonathan Cameron <jic23@kernel.org>
To: "Gabriele Mazzotta" <gabriele.mzt@gmail.com>,
linux-iio@vger.kernel.org, "Marek Vasut" <marex@denx.de>,
"Martin Liška" <marxin.liska@gmail.com>
Subject: Re: Correctness of acpi-als channel mask
Date: Sat, 19 Dec 2015 16:09:33 +0000 [thread overview]
Message-ID: <5675813D.9040808@kernel.org> (raw)
In-Reply-To: <CABFtUbQw0nH5LXf_+D5_mSBqEdAsKEbbLCmrD=VDfgosqcWq1w@mail.gmail.com>
On 17/12/15 20:32, Gabriele Mazzotta wrote:
> Hi,
>
> I have a question regarding the acpi-als driver.
>
> Currently acpi-als uses IIO_CHAN_INFO_RAW to report the data coming
> from the sensor. However, as per the ACPI specification [1] (section
> 9.2.2), these values represent the ambient light illuminance expressed
> in lux. Wouldn't IIO_CHAN_INFO_PROCESSED be more appropriate in this
> case as the data are in theory pre-processed by the firmware of the
> platform?
Looks like it to me as well. Cc'd Marek and Martin.
>
> [1] http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf
>
> Regards,
> Gabriele
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next prev parent reply other threads:[~2015-12-19 16:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-17 20:32 Correctness of acpi-als channel mask Gabriele Mazzotta
2015-12-19 16:09 ` Jonathan Cameron [this message]
2015-12-20 23:33 ` Marek Vasut
[not found] ` <CABFtUbTggGGs7s0QtA=FeZx_ejwFHTBuxyhD8H_gmo9=R-HjwA@mail.gmail.com>
2015-12-21 14:45 ` Marek Vasut
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