| What: /sys/bus/platform/devices/VPC2004:*/camera_power | |
| Date: Dec 2010 | |
| KernelVersion: 2.6.37 | |
| Contact: "Ike Panhc <ike.pan@canonical.com>" | |
| Description: | |
| Control the power of camera module. 1 means on, 0 means off. | |
| What: /sys/bus/platform/devices/VPC2004:*/fan_mode | |
| Date: June 2012 | |
| KernelVersion: 3.6 | |
| Contact: "Maxim Mikityanskiy <maxtram95@gmail.com>" | |
| Description: | |
| Change fan mode | |
| There are four available modes: | |
| * 0 -> Super Silent Mode | |
| * 1 -> Standard Mode | |
| * 2 -> Dust Cleaning | |
| * 4 -> Efficient Thermal Dissipation Mode | |
| What: /sys/bus/platform/devices/VPC2004:*/touchpad | |
| Date: May 2017 | |
| KernelVersion: 4.13 | |
| Contact: "Ritesh Raj Sarraf <rrs@debian.org>" | |
| Description: | |
| Control touchpad mode. | |
| * 1 -> Switched On | |
| * 0 -> Switched Off | |
| What: /sys/bus/platform/devices/VPC2004:*/conservation_mode | |
| Date: Aug 2017 | |
| KernelVersion: 4.14 | |
| Contact: platform-driver-x86@vger.kernel.org | |
| Description: | |
| Controls whether the conservation mode is enabled or not. | |
| This feature limits the maximum battery charge percentage to | |
| around 50-60% in order to prolong the lifetime of the battery. | |
| What: /sys/bus/platform/devices/VPC2004:*/fn_lock | |
| Date: May 2018 | |
| KernelVersion: 4.18 | |
| Contact: "Oleg Keri <ezhi99@gmail.com>" | |
| Description: | |
| Control fn-lock mode. | |
| * 1 -> Switched On | |
| * 0 -> Switched Off | |
| For example:: | |
| # echo "0" > \ | |
| /sys/bus/pci/devices/0000:00:1f.0/PNP0C09:00/VPC2004:00/fn_lock | |
| What: /sys/bus/platform/devices/VPC2004:*/usb_charging | |
| Date: Feb 2021 | |
| KernelVersion: 5.12 | |
| Contact: platform-driver-x86@vger.kernel.org | |
| Description: | |
| Controls whether the "always on USB charging" feature is | |
| enabled or not. This feature enables charging USB devices | |
| even if the computer is not turned on. |