From: Marek Vasut <marex@denx.de>
To: "Lars-Peter Clausen" <lars@metafoo.de>
Subject: Re: [PATCH v3 2/5] ARM: dts: add reference voltage property for MXS LRADC
Date: Tue, 23 Jul 2013 00:06:53 +0200
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Cc: Hector Palacios <hector.palacios@digi.com>, linux-iio@vger.kernel.org,
        linux-kernel@vger.kernel.org, devicetree-discuss@lists.ozlabs.org,
        alexandre.belloni@free-electrons.com, jic23@kernel.org,
        fabio.estevam@freescale.com,
        Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
References: <1374501843-19651-1-git-send-email-hector.palacios@digi.com> <1374501843-19651-3-git-send-email-hector.palacios@digi.com> <51ED7B47.2090104@metafoo.de>
In-Reply-To: <51ED7B47.2090104@metafoo.de>
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Dear Lars-Peter Clausen,

> On 07/22/2013 04:04 PM, Hector Palacios wrote:
> > Some LRADC channels have fixed pre-dividers so they can measure
> > different voltages at full scale. The reference voltage allows to
> > expose a scaling attribute through the IIO sysfs so that a user can
> > compute the real voltage out of a measured sample value.
> 
> I've said before that I'm not convinced that this is the right way to
> implement this. And considering what Thomas said here
> http://www.mail-archive.com/devicetree-discuss@lists.ozlabs.org/msg36691.ht
> ml I guess I'm not alone with that opinion.
> 
> - Lars

He's talking about different versions of the IP block, this is the same IP 
block, just connected to different inputs.

Best regards,
Marek Vasut
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