What: /sys/bus/iio/devices/iio:deviceX/ac_excitation_en KernelVersion: Contact: linux-iio@vger.kernel.org Description: Reading gives the state of AC excitation. Writing '1' enables AC excitation. What: /sys/bus/iio/devices/iio:deviceX/bridge_switch_en KernelVersion: Contact: linux-iio@vger.kernel.org Description: This bridge switch is used to disconnect it when there is a need to minimize the system current consumption. Reading gives the state of the bridge switch. Writing '1' enables the bridge switch. What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration KernelVersion: Contact: linux-iio@vger.kernel.org Description: Initiates the system calibration procedure. This is done on a single channel at a time. Write '1' to start the calibration. What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration_mode_available KernelVersion: Contact: linux-iio@vger.kernel.org Description: Reading returns a list with the possible calibration modes. There are two available options: "zero_scale" - calibrate to zero scale "full_scale" - calibrate to full scale What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration_mode KernelVersion: Contact: linux-iio@vger.kernel.org Description: Sets up the calibration mode used in the system calibration procedure. Reading returns the current calibration mode. Writing sets the system calibration mode.