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Documentation: hwmon: Add descriptions for ina2xx sysfs entries 

There are a few sysfs entries being exposed to user space by the
ina2xx hwmon driver while not getting explicitly documented. So
this patch just adds a description section for them.

Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
hifive-unleashed-5.1
Nicolin Chen 2018-11-19 12:31:16 -08:00 committed by Guenter Roeck
parent 1b1f4efab0
commit 9a629d7ada
1 changed files with 15 additions and 0 deletions
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Documentation/hwmon/ina2xx
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@ -62,3 +62,18 @@ bus and shunt voltage conversion times multiplied by the averaging rate. We
don't touch the conversion times and only modify the number of averages. The don't touch the conversion times and only modify the number of averages. The
lower limit of the update_interval is 2 ms, the upper limit is 2253 ms. lower limit of the update_interval is 2 ms, the upper limit is 2253 ms.
The actual programmed interval may vary from the desired value. The actual programmed interval may vary from the desired value.
General sysfs entries
-------------
in0_input Shunt voltage(mV) channel
in1_input Bus voltage(mV) channel
curr1_input Current(mA) measurement channel
power1_input Power(uW) measurement channel
shunt_resistor Shunt resistance(uOhm) channel
Sysfs entries for ina226, ina230 and ina231 only
-------------
update_interval data conversion time; affects number of samples used
to average results for shunt and bus voltages.