Date: Wed, 2 Dec 2009 20:41:22 +0000
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Antonio Ospite <ospite@studenti.unina.it>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>, Richard Purdie <rpurdie@rpsys.net>,
       Daniel Ribeiro <drwyrm@gmail.com>, linux-kernel@vger.kernel.org,
       linux-arm-kernel@lists.infradead.org, openezx-devel@lists.openezx.org
Subject: Re: [PATCH] leds: Add LED class driver for regulator driven LEDs.
Message-ID: <20091202204121.GB18311@rakim.wolfsonmicro.main>
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On Wed, Dec 02, 2009 at 09:31:31PM +0100, Antonio Ospite wrote:
> Liam Girdwood <lrg@slimlogic.co.uk> wrote:

> > Some regulators may not support voltage change (via hw design or
> > constraints) so set_voltage() will fail. We probably want to handle this
> > regulator type so we don't call set_voltage().

> Ok, I'll read more about the regulator framework to find out how to
> check regulator capabilities.

Checking for errors when counting and listing the voltages ought to
cover this.
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