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			* 0 -> Super Silent Mode
16			* 1 -> Standard Mode
17			* 2 -> Dust Cleaning
18			* 4 -> Efficient Thermal Dissipation Mode
19
20What:		/sys/devices/platform/ideapad/touchpad
21Date:		May 2017
22KernelVersion:	4.13
23Contact:	"Ritesh Raj Sarraf <rrs@debian.org>"
24Description:
25		Control touchpad mode.
26			* 1 -> Switched On
27			* 0 -> Switched Off
28
29What:		/sys/bus/pci/devices/<bdf>/<device>/VPC2004:00/fn_lock
30Date:		May 2018
31KernelVersion:	4.18
32Contact:	"Oleg Keri <ezhi99@gmail.com>"
33Description:
34		Control fn-lock mode.
35			* 1 -> Switched On
36			* 0 -> Switched Off
37
38		For example:
39		# echo "0" >	\
40		/sys/bus/pci/devices/0000:00:1f.0/PNP0C09:00/VPC2004:00/fn_lock
41