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]> --- 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. -- 2.13.2

