Messages in this thread | | | Date | Wed, 24 Sep 2014 18:10:46 +0100 | From | Mark Rutland <> | Subject | Re: [PATCH v2] iio: iadc: Qualcomm SPMI PMIC current ADC driver |
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> > > > + > > > > +- 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.
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