linux-kernel - Re: [PATCH 1/4] regulator: core: Support trying to get close to a certain voltage

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Message-ID: <CAD=FV=U4RFYx9NXOACrXJZK2bKkosyYnmTZRHkXuaSz-FS9kNQ@mail.gmail.com>
Date:	Thu, 11 Dec 2014 08:09:13 -0800
From:	Doug Anderson <dianders@...omium.org>
To:	Mark Brown <broonie@...nel.org>
Cc:	Alexandru Stan <amstan@...omium.org>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Jaehoon Chung <jh80.chung@...sung.com>,
	Seungwon Jeon <tgih.jun@...sung.com>,
	Alim Akhtar <alim.akhtar@...sung.com>,
	Sonny Rao <sonnyrao@...omium.org>,
	Andrew Bresticker <abrestic@...omium.org>,
	"open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] regulator: core: Support trying to get close to a
 certain voltage

Mark,

On Thu, Dec 11, 2014 at 4:31 AM, Mark Brown <broonie@...nel.org> wrote:
> This is just an implementation detail, everything you're saying here
> applies equally to any user specifying by tolerance rather than range.
> If the reason for doing this is to fix that problem then a new API isn't
> the way to go about it.

OK, I'll give a shot at taking my code and using it as a new
implementation for regulator_set_voltage_tol().  In the SD card code
I'll pick some reasonable tolerances--they won't be exactly what the
spec says, but they ought to be good enough.  If Ulf comes back and
yells at me then we can revisit adding a new API.

Thanks!

-Doug
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