1 What: /sys/bus/platform/devices/VPC2 1 What: /sys/bus/platform/devices/VPC2004:*/camera_power
2 Date: Dec 2010 2 Date: Dec 2010
3 KernelVersion: 2.6.37 3 KernelVersion: 2.6.37
4 Contact: "Ike Panhc <ike.pan@canonical.c 4 Contact: "Ike Panhc <ike.pan@canonical.com>"
5 Description: 5 Description:
6 Control the power of camera mo 6 Control the power of camera module. 1 means on, 0 means off.
7 7
8 What: /sys/bus/platform/devices/VPC2 8 What: /sys/bus/platform/devices/VPC2004:*/fan_mode
9 Date: June 2012 9 Date: June 2012
10 KernelVersion: 3.6 10 KernelVersion: 3.6
11 Contact: "Maxim Mikityanskiy <maxtram95@ 11 Contact: "Maxim Mikityanskiy <maxtram95@gmail.com>"
12 Description: 12 Description:
13 Change fan mode 13 Change fan mode
14 There are four available modes 14 There are four available modes:
15 15
16 * 0 -> Super Silent Mo 16 * 0 -> Super Silent Mode
17 * 1 -> Standard Mode 17 * 1 -> Standard Mode
18 * 2 -> Dust Cleaning 18 * 2 -> Dust Cleaning
19 * 4 -> Efficient Therm 19 * 4 -> Efficient Thermal Dissipation Mode
20 20
21 What: /sys/bus/platform/devices/VPC2 21 What: /sys/bus/platform/devices/VPC2004:*/touchpad
22 Date: May 2017 22 Date: May 2017
23 KernelVersion: 4.13 23 KernelVersion: 4.13
24 Contact: "Ritesh Raj Sarraf <rrs@debian. 24 Contact: "Ritesh Raj Sarraf <rrs@debian.org>"
25 Description: 25 Description:
26 Control touchpad mode. 26 Control touchpad mode.
27 * 1 -> Switched On 27 * 1 -> Switched On
28 * 0 -> Switched Off 28 * 0 -> Switched Off
29 29
30 What: /sys/bus/platform/devices/VPC2 30 What: /sys/bus/platform/devices/VPC2004:*/conservation_mode
31 Date: Aug 2017 31 Date: Aug 2017
32 KernelVersion: 4.14 32 KernelVersion: 4.14
33 Contact: platform-driver-x86@vger.kerne 33 Contact: platform-driver-x86@vger.kernel.org
34 Description: 34 Description:
35 Controls whether the conservat 35 Controls whether the conservation mode is enabled or not.
36 This feature limits the maximu 36 This feature limits the maximum battery charge percentage to
37 around 50-60% in order to prol 37 around 50-60% in order to prolong the lifetime of the battery.
38 38
39 What: /sys/bus/platform/devices/VPC2 39 What: /sys/bus/platform/devices/VPC2004:*/fn_lock
40 Date: May 2018 40 Date: May 2018
41 KernelVersion: 4.18 41 KernelVersion: 4.18
42 Contact: "Oleg Keri <ezhi99@gmail.com>" 42 Contact: "Oleg Keri <ezhi99@gmail.com>"
43 Description: 43 Description:
44 Control fn-lock mode. 44 Control fn-lock mode.
45 45
46 * 1 -> Switched On 46 * 1 -> Switched On
47 * 0 -> Switched Off 47 * 0 -> Switched Off
48 48
49 For example:: 49 For example::
50 50
51 # echo "0" > \ 51 # echo "0" > \
52 /sys/bus/pci/devices/0000:00 52 /sys/bus/pci/devices/0000:00:1f.0/PNP0C09:00/VPC2004:00/fn_lock
53 53
54 What: /sys/bus/platform/devices/VPC2 54 What: /sys/bus/platform/devices/VPC2004:*/usb_charging
55 Date: Feb 2021 55 Date: Feb 2021
56 KernelVersion: 5.12 56 KernelVersion: 5.12
57 Contact: platform-driver-x86@vger.kerne 57 Contact: platform-driver-x86@vger.kernel.org
58 Description: 58 Description:
59 Controls whether the "always o 59 Controls whether the "always on USB charging" feature is
60 enabled or not. This feature e 60 enabled or not. This feature enables charging USB devices
61 even if the computer is not tu 61 even if the computer is not turned on.
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