This project aims to control the IR emitters of windows hello enabled IR cameras under Linux. See boltgolt/howdy#269 for a discussion and background about the methods used.

Using cmake

mkdir -p build
cd build
cmake ..
make
sudo make install

Using gcc

gcc main.c -o chicony-ir-toggle

chicony-ir-toggle [-d DEVICE] <on|off>

Default for DEVICE is /dev/video2. If this differs on your system, supply the -d command line parameter pointing to your video device.

Multiple newer lenovo laptops with windows hello e.g.

• Thinkpad T490s
• Yoga S740
• Thinkpad X1 Yoga (4th generation)
• XinPro (for alternative frame mode, see https://github.com/hillyu/chicony-ir-toggle.git)