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1What: /sys/bus/iio/devices/iio:deviceX/calibrate2Date: July 20153KernelVersion: 4.74Contact: linux-iio@vger.kernel.org5Description:6 Writing '1' will perform a FOC (Fast Online Calibration). The7 corresponding calibration offsets can be read from `*_calibbias`8 entries.9 10What: /sys/bus/iio/devices/iio:deviceX/location11Date: July 201512KernelVersion: 4.713Contact: linux-iio@vger.kernel.org14Description:15 This attribute returns a string with the physical location where16 the motion sensor is placed. For example, in a laptop a motion17 sensor can be located on the base or on the lid. Current valid18 values are 'base' and 'lid'.19 20What: /sys/bus/iio/devices/iio:deviceX/id21Date: September 201722KernelVersion: 4.1423Contact: linux-iio@vger.kernel.org24Description:25 This attribute is exposed by the CrOS EC sensors driver and26 represents the sensor ID as exposed by the EC. This ID is used27 by the Android sensor service hardware abstraction layer (sensor28 HAL) through the Android container on ChromeOS.29