What: /sys/bus/iio/devices/iio:deviceX/fault_ovuv KernelVersion: 5.11 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 at FORCE+, FORCE2, RTDIN+ & RTDIN-. This circuitry turn off when the input voltage is negative or greater than VDD. Reading returns '1' if input voltage is negative or greater than VDD, otherwise '0'. What: /sys/bus/iio/devices/iio:deviceX/in_filter_notch_center_frequency KernelVersion: 5.11 Contact: linux-iio@vger.kernel.org Description: Notch frequency in Hz for a noise rejection filter. Used i.e for line noise rejection. Valid notch filter values are 50 Hz and 60 Hz.