1What: /sys/bus/iio/devices/iio:deviceX/calibrate 2Date: July 2015 3KernelVersion: 4.7 4Contact: linux-iio@vger.kernel.org 5Description: 6 Writing '1' will perform a FOC (Fast Online Calibration). The 7 corresponding calibration offsets can be read from `*_calibbias` 8 entries. 9 10What: /sys/bus/iio/devices/iio:deviceX/id 11Date: September 2017 12KernelVersion: 4.14 13Contact: linux-iio@vger.kernel.org 14Description: 15 This attribute is exposed by the CrOS EC sensors driver and 16 represents the sensor ID as exposed by the EC. This ID is used 17 by the Android sensor service hardware abstraction layer (sensor 18 HAL) through the Android container on ChromeOS. 19