linux/Documentation/ABI/testing/sysfs-bus-iio-thermocouple
Jonathan Cameron 6c6a6ee939 iio: ABI: temperature: Unify documentation for thermocouple fault detection.
Kernel documentation for a given ABI element should not be duplicated
in multiple files, so pull them into one higher level documentation file.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Navin Sankar Velliangiri <navin@linumiz.com>
Cc: Paresh Chaudhary <paresh.chaudhary@rockwellcollins.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/20220626165511.602202-2-jic23@kernel.org
2022-07-18 18:38:27 +01:00

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What: /sys/bus/iio/devices/iio:deviceX/fault_ovuv
KernelVersion: 5.1
Contact: linux-iio@vger.kernel.org
Description:
Overvoltage or Undervoltage Input Fault. The internal circuitry
is protected from excessive voltages applied to the thermocouple
cables. The device can also detect if such a condition occurs.
Reading returns '1' if input voltage is negative or greater
than VDD, otherwise '0'.
What: /sys/bus/iio/devices/iio:deviceX/fault_oc
KernelVersion: 5.1
Contact: linux-iio@vger.kernel.org
Description:
Open-circuit fault. The detection of open-circuit faults,
such as those caused by broken thermocouple wires.
Reading returns '1' if fault, '0' otherwise.