linux-kernel - Re: [PATCH v2 1/4] mfd: add LM3533 lighting-power core driver

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Date:	Thu, 3 May 2012 17:57:49 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Johan Hovold <jhovold@...il.com>
Cc:	Rob Landley <rob@...dley.net>, Richard Purdie <rpurdie@...ys.net>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Jonathan Cameron <jic23@....ac.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Florian Tobias Schandinat <FlorianSchandinat@....de>,
	Arnd Bergmann <arnd@...db.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-iio@...r.kernel.org, devel@...verdev.osuosl.org,
	linux-fbdev@...r.kernel.org
Subject: Re: [PATCH v2 1/4] mfd: add LM3533 lighting-power core driver

On Thu, May 03, 2012 at 06:54:37PM +0200, Johan Hovold wrote:
> On Thu, May 03, 2012 at 04:24:07PM +0100, Mark Brown wrote:

> > I'm not sure exactly which control that is?

> That would be the output_lvled[n] (n = 1..5) attributes. For example, to
> have all five low-voltage sinks blink synchronously, you could assign 0
> to all these five attributes, and set a timer trigger for the led device
> which has id 0.

Sorry, I meant "what exactly does this do in hardware".

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