Messages in this thread | | | Date | Tue, 25 Nov 2014 17:09:16 +0100 | Subject | Re: [PATCH 2/5] hwmon: ina2xx: make shunt resistance configurable at run-time | From | Bartosz Gołaszewski <> |
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2014-11-25 16:59 GMT+01:00 Guenter Roeck <linux@roeck-us.net>: > 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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