linux-kernel - Re: [PATCH RESEND] x86, intel

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Message-ID: <20120411133035.25fa00b0@pyramind.ukuu.org.uk>
Date:	Wed, 11 Apr 2012 13:30:35 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Jonathan Cameron <jic23@....ac.uk>
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>, mingo@...e.hu,
	linux-kernel@...r.kernel.org, Jonathan Cameron <jic23@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH RESEND] x86, intel_mid: ADC management

> needs to be abstracted as well.  Consumers might not care that the gain 
> just doubled because someone else requested it, but I suspect many of them will.

At the bottom layer I'd expect a second consumer of the same data to get
-EBUSY, but you are then going to tell me there are ADCs with one gain
control for several channels no doubt 8)


> end up with most of IIO.  That's effectively what we did...   It's big 
> because there are
> actually not that many 'simple' adc's out there.

Fair enough - you would be the expert there.

Alan
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