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/location 11Date: July 2015 12KernelVersion: 4.7 13Contact: linux-iio@vger.kernel.org 14Description: 15 This attribute returns a string with the physical location where 16 the motion sensor is placed. For example, in a laptop a motion 17 sensor can be located on the base or on the lid. Current valid 18 values are 'base' and 'lid'. 19 20What: /sys/bus/iio/devices/iio:deviceX/id 21Date: Septembre 2017 22KernelVersion: 4.14 23Contact: linux-iio@vger.kernel.org 24Description: 25 This attribute is exposed by the CrOS EC legacy accelerometer 26 driver and represents the sensor ID as exposed by the EC. This 27 ID is used by the Android sensor service hardware abstraction 28 layer (sensor HAL) through the Android container on ChromeOS. 29