Re: [PATCH v2] iio: iadc: Qualcomm SPMI PMIC current ADC driver

[Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>]

> > > > +
> > > > +- qcom,rsense:
> > > > +    Usage: optional
> > > > +    Value type: <u32>
> > > > +    Definition: External sense register value in Ohm. Defining this
> > > > +            propery will instruct ADC to use external ADC sense channel.
> > > > +            If property is not defined ADC will use internal sense channel.
> > > 
> > > The latter two sentences sound like a driver description.
> > > 
> > > What exactly is the difference between the internal and external
> > > channels, and what exactly is the value in the sense register used for?
> > 
> > Internal - when using chip build-in resistor
> > External - when using off-chip resistor
> 
> Would it be possible to use the internal channel when you have an
> external resistor?
> 
> If so, does the device have a channel per resistor, or can either
> resistor be selected and applied to the single channel the device has?
> 
> This might be better worded as "external-registor-ohms".

I meant to say "external-resistor-ohms".

Muscle memory and lack of coffee got the better of me.

Mark.