1What:		/sys/devices/platform/ideapad/camera_power
2Date:		Dec 2010
3KernelVersion:	2.6.37
4Contact:	"Ike Panhc <ike.pan@canonical.com>"
5Description:
6		Control the power of camera module. 1 means on, 0 means off.
7
8What:		/sys/devices/platform/ideapad/fan_mode
9Date:		June 2012
10KernelVersion:	3.6
11Contact:	"Maxim Mikityanskiy <maxtram95@gmail.com>"
12Description:
13		Change fan mode
14		There are four available modes:
15
16			* 0 -> Super Silent Mode
17			* 1 -> Standard Mode
18			* 2 -> Dust Cleaning
19			* 4 -> Efficient Thermal Dissipation Mode
20
21What:		/sys/devices/platform/ideapad/touchpad
22Date:		May 2017
23KernelVersion:	4.13
24Contact:	"Ritesh Raj Sarraf <rrs@debian.org>"
25Description:
26		Control touchpad mode.
27			* 1 -> Switched On
28			* 0 -> Switched Off
29
30What:		/sys/bus/pci/devices/<bdf>/<device>/VPC2004:00/fn_lock
31Date:		May 2018
32KernelVersion:	4.18
33Contact:	"Oleg Keri <ezhi99@gmail.com>"
34Description:
35		Control fn-lock mode.
36
37			* 1 -> Switched On
38			* 0 -> Switched Off
39
40		For example::
41
42		  # echo "0" >	\
43		  /sys/bus/pci/devices/0000:00:1f.0/PNP0C09:00/VPC2004:00/fn_lock
44