linux-kernel - Re: [PATCH RFT] regulator: pbias: Convert to use regmap helper functions

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Date:	Sun, 9 Mar 2014 08:46:12 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Axel Lin <axel.lin@...ics.com>
Cc:	Balaji T K <balajitk@...com>, Chris Ball <chris@...ntf.net>,
	Liam Girdwood <lgirdwood@...il.com>,
	Florian Vaussard <florian.vaussard@...l.ch>,
	Stefan Roese <sr@...x.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-mmc@...r.kernel.org
Subject: Re: [PATCH RFT] regulator: pbias: Convert to use regmap helper
 functions

On Fri, Mar 07, 2014 at 11:57:03PM +0800, Axel Lin wrote:
> 2014-03-07 23:25 GMT+08:00 Balaji T K <balajitk@...com>:

> > The intention was to set vmode to 0 for any voltage request lesser than
> > 1.8V.

> This statement sounds wrong to me.
> For example, If the request voltage range is 1.0V ~ 1.5V.
> We should return error rather than set the voltage to 1.8V (which may
> damage the device).

Yes, that's the expected behaviour - the selected voltage still needs to
be within spec.

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