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From: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
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Subject: Re: [BUG] atomisp_ov2680 not initializing correctly
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> Patch 0003-atomisp_gmin_platform-tweak-to-drive-axp288.patch gives a
> little confusion.
> The PMIC driver should work via ACPI OpRegion macro (and should be
> enabled in kernel configuration). That's how it supposed to work.
> The patch seems redundant.

I am fairly sure it is meant to work that way - but it doesn't. At least
not at the moment.

> > I see your point, Still it feels, as if this could go somewhere.  
> 
> I hope so, though I didn't try CherryTrail and according to Alan that
> is what he had tried on.

It's what we are currently trying on. I can fire up the ISP and actually
get interrupts from it, but not much more at this point.

Alan