| 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. |
