yoga920

Linux tools for lenovo yoga 920. This tool allowes enabling and disabling of battery conservation mode (charging up to 59%), which has to be done in Windows instead. Other feature are todo. One can set the value in Windows, but sometimes after power-off the setting is getting lost and going back to Windows is kind of annoing.

This tool took it's inspiration in https://gitlab.com/mikoff/Y2P-PM/tree/master/

Build:

This tool is using boost/program_options be sure it's installed (apt install libboost-dev)

git clone git@github.com:yeckel/yoga920.git
cd yoga920
mkdir build
cd build
cmake ..
make

Reverse engineering

The port which needs to be changed and its values was observed by dumping the EC port with sudo ./yoga920 --dump and comparing outputs after changing the value in Windows10 Lenovo Companion tool. (Sone in LibreOffice Calc)

ToDo:

Changing the F1..F12 keys
USB Charging