Re: [lm-sensors] regulator: regulator_get behaviour without

[Liam Girdwood <lrg@slimlogic.co.uk>]

On Tue, 2010-04-06 at 19:19 +0100, Mark Brown wrote:
> On 6 Apr 2010, at 17:25, Jonathan Cameron <jic23@cam.ac.uk> wrote:
> 
> > On 04/06/10 16:27, Liam Girdwood wrote:
> >>>
> >>>
> >>>
> >>
> >> I suppose this is something we may look into more when we have more
> >> clients.
> > Makes sense.  There will probably be quite a few IIO drivers over  
> > the next
> > few months doing much the same as sht15, where the voltage ref for  
> > devices
> > may well be fed by a regulator.  In that case, we may only offer the  
> > option
> > of using an external v_ref if the regulator is available.  Many  
> > devices have
> > an internal regulator to provide it so typically we'll start them up  
> > using that
> > and provide an interface to switch to external regulator if one is  
> > available.
> > I haven't thought through exactly how this will work as yet. I'll cc  
> > people in
> > when this comes up.
> 
> TBH this seems like a very vanilla use case - there may be some small  
> advantage to representing the internal regulator via the regulator API  
> but that's about the only thing I can think might be a bit odd.
> --

Although may be quite useful here for any mfd devices where the core has
regulators that only supply the other on chip functions.

Liam 

-- 
Freelance Developer, SlimLogic Ltd
ASoC and Voltage Regulator Maintainer.
http://www.slimlogic.co.uk


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