linux-kernel - Re: [patch/rfc 2.6.29-rc6 1/2] regulator: enumerate voltages

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Message-Id: <200902261138.34859.david-b@pacbell.net>
Date:	Thu, 26 Feb 2009 11:38:34 -0800
From:	David Brownell <david-b@...bell.net>
To:	Mark Brown <broonie@...ena.org.uk>
Cc:	Liam Girdwood <lrg@...mlogic.co.uk>,
	lkml <linux-kernel@...r.kernel.org>,
	OMAP <linux-omap@...r.kernel.org>
Subject: Re: [patch/rfc 2.6.29-rc6 1/2] regulator: enumerate voltages

On Thursday 26 February 2009, Mark Brown wrote:
> On Thu, Feb 26, 2009 at 10:56:05AM -0800, David Brownell wrote:
> > On Thursday 26 February 2009, Mark Brown wrote:
> 
> > > Unless, of course, you happen to be using one of those consumers that
> > > wants to know the voltage it's running at to configure itself.
> 
> > In which case it can ask the regulator what voltage it's using.  :)
> 
> I suspect we're talking at cross purposes here - I was talking about the
> fixed voltage regulator driver.  I suspect you were talking about
> something else?

Yes ... e.g. the USB1V5, USB1V, and USB3V1 regulators
exported through the twl4030 regulator driver.


Semi-related:  someone with time to spend on it might
find and fix the bug causing the regulator framework
to oops when regulator/core.c::set_machine_constraints()
returns an error code.

- Dave

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