What: /sys/bus/platform/devices/VPC2004:*/camera_power Date: Dec 2010 KernelVersion: 2.6.37 Contact: "Ike Panhc " 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 " 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 " 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 " 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.