What: /sys/devices/platform/ideapad/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/devices/platform/ideapad/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/devices/platform/ideapad/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/pci/devices/<bdf>/<device>/VPC2004:00/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 |