Messages in this thread | | | Date | Mon, 17 Jul 2017 21:53:57 +0100 | From | Jonathan Cameron <> | Subject | Re: [PATCH 2/2] iio: Documentation: Add ina2xx shunt_resistor attribute documentation |
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On Mon, 17 Jul 2017 01:34:10 +0200 Stefan Brüns <stefan.bruens@rwth-aachen.de> 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 <stefan.bruens@rwth-aachen.de> 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: linux-iio@vger.kernel.org > +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.
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