linux-kernel - Re: [PATCH] mfd: Support multiple active WM831x AUXADC conversions

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Date:	Mon, 20 Jun 2011 12:14:45 +0200
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	linux-kernel@...r.kernel.org, patches@...nsource.wolfsonicro.com
Subject: Re: [PATCH] mfd: Support multiple active WM831x AUXADC conversions

Hi Mark,

On Tue, Jun 07, 2011 at 11:47:28AM +0100, Mark Brown wrote:
> The WM831x AUXADC hardware can schedule multiple conversions at once,
> allowing higher performance when more than one source is in use as we
> can have the hardware start new conversions without having to wait for
> a register write.
> 
> Take advantage of this in the interrupt driven case, maintaining a list of
> callers that are waiting for AUXADC conversions and completing them all
> simultaneously. The external interface of the AUXADC is not changed so
> there will be limited use of the feature immediately.
Patch applied, many thanks.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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