1What:		/sys/bus/platform/devices/VPC2004:*/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/bus/platform/devices/VPC2004:*/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/bus/platform/devices/VPC2004:*/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/platform/devices/VPC2004:*/conservation_mode
31Date:		Aug 2017
32KernelVersion:	4.14
33Contact:	platform-driver-x86@vger.kernel.org
34Description:
35		Controls whether the conservation mode is enabled or not.
36		This feature limits the maximum battery charge percentage to
37		around 50-60% in order to prolong the lifetime of the battery.
38
39What:		/sys/bus/platform/devices/VPC2004:*/fn_lock
40Date:		May 2018
41KernelVersion:	4.18
42Contact:	"Oleg Keri <ezhi99@gmail.com>"
43Description:
44		Control fn-lock mode.
45
46			* 1 -> Switched On
47			* 0 -> Switched Off
48
49		For example::
50
51		  # echo "0" >	\
52		  /sys/bus/pci/devices/0000:00:1f.0/PNP0C09:00/VPC2004:00/fn_lock
53
54What:		/sys/bus/platform/devices/VPC2004:*/usb_charging
55Date:		Feb 2021
56KernelVersion:	5.12
57Contact:	platform-driver-x86@vger.kernel.org
58Description:
59		Controls whether the "always on USB charging" feature is
60		enabled or not. This feature enables charging USB devices
61		even if the computer is not turned on.

 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