Re: [PATCH 2/5] hwmon: ina2xx: make shunt resistance configurable at run-time

From: Bartosz GoÅaszewski
Date: Tue Nov 25 2014 - 11:09:23 EST


2014-11-25 16:59 GMT+01:00 Guenter Roeck <linux@xxxxxxxxxxxx>:
> For a given system it should always be known, and it appears unlikely
> that there is a system out there where the shunt resistor value can change.
>
> What system exactly are you talking about ?

We're talking about the ACME cape for BeagleBone Black:
http://baylibre.com/acme/

The probes you can see on the page can be connected in various
configurations and different probes have different shunt resistors.
Their values are set from the user-space after booting, hence the
patch.

Bart
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