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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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15
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
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.
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.