xref: /openbmc/linux/Documentation/ABI/testing/sysfs-bus-iio-cros-ec (revision cdd38c5f1ce4398ec58fec95904b75824daab7b5)
1 What:		/sys/bus/iio/devices/iio:deviceX/calibrate
2 Date:		July 2015
3 KernelVersion:	4.7
4 Contact:	linux-iio@vger.kernel.org
5 Description:
6 		Writing '1' will perform a FOC (Fast Online Calibration). The
7                 corresponding calibration offsets can be read from `*_calibbias`
8                 entries.
9 
10 What:		/sys/bus/iio/devices/iio:deviceX/location
11 Date:		July 2015
12 KernelVersion:	4.7
13 Contact:	linux-iio@vger.kernel.org
14 Description:
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 
20 What:		/sys/bus/iio/devices/iio:deviceX/id
21 Date:		September 2017
22 KernelVersion:	4.14
23 Contact:	linux-iio@vger.kernel.org
24 Description:
25 		This attribute is exposed by the CrOS EC sensors driver and
26 		represents the sensor ID as exposed by the EC. This ID is used
27 		by the Android sensor service hardware abstraction layer (sensor
28 		HAL) through the Android container on ChromeOS.
29