On Mon, 17 Jul 2017 01:34:10 +0200 Stefan Brüns <[email protected]> wrote:
> The ina2xx driver appeared in the Linux kernel version 4.5, but provided > no documentation. Contrary to other uses of resistance in IIO, ina2xx uses > microohms instead of ohms in the sysfs attribute. > > Signed-off-by: Stefan Brüns <[email protected]> This has me confused. The documentation is already there and lists it as being in ohms. Ah, subtle filename difference. Docs in are Documentation/ABI/testing/sysfs-bus-iio-ina2xx-adc This attribute effectively exists for other parts as well now. Jonathan > --- > Documentation/ABI/testing/sysfs-bus-iio-adc-ina2xx-adc | 7 +++++++ > 1 file changed, 7 insertions(+) > create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-adc-ina2xx-adc > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-ina2xx-adc > b/Documentation/ABI/testing/sysfs-bus-iio-adc-ina2xx-adc > new file mode 100644 > index 000000000000..9525098f6822 > --- /dev/null > +++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-ina2xx-adc > @@ -0,0 +1,7 @@ > +What: /sys/bus/iio/devices/iio:deviceX/in_shunt_resistor > +Date: December 2015 > +KernelVersion: 4.5 > +Contact: [email protected] > +Description: The value of the shunt resistor connected to the V_IN+ > and V_IN- > + inputs, used to compute the current flowing through the shunt > and > + the corresponding power. In microohms.
