linux-kernel - Re: [PATCH] regulator: anatop: add is

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Message-ID: <20131217135305.GG3185@sirena.org.uk>
Date:	Tue, 17 Dec 2013 13:53:05 +0000
From:	Mark Brown <broonie@...nel.org>
To:	"Anson.Huang@...escale.com" <Anson.Huang@...escale.com>
Cc:	"lgirdwood@...il.com" <lgirdwood@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] regulator: anatop: add is_enabled interface

On Tue, Dec 17, 2013 at 01:10:12PM +0000, Anson.Huang@...escale.com wrote:

> > In any case I'd be much happier with this patch if it implemented the
> > enable and disable operations as well.

> understand now. then maybe I should remove the PU check in cpufreq,
> although setting PU LDO if it is off before would bring unnessary
> power leak. I will add all these changes together with the dynamic PU
> LDO management feature, thanks for your time!

If you've implemented the enable support correctly then setting the
voltage shouldn't enable the regulator.

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