AlpsHID

AlpsHID is a touchpad driver for Alps I2C touchpads, using the VoodooI2C multitouch engine. It provides trackpoint support and gesture recognition for Alps touchpads found in many laptops.

Features

• Alps I2C Touchpad Support: Driver for Alps I2C-connected touchpads
• Trackpoint Support: Full trackpoint (nub) input support
• Gesture Recognition: macOS-native multitouch gesture support
• VoodooI2C Integration: Uses the VoodooI2C multitouch engine for input processing

Installation

1. Download from GitHub
2. Copy AlpsHID.kext to EFI/OC/Kexts/
3. Ensure VoodooI2C and VoodooInput are also installed
4. Add the kext to your config.plist under Kernel > Add
5. Reboot your system

Related Kexts

• VoodooI2C - Required I2C bus driver
• VoodooInput - Required multitouch handler
• VoodooPS2 - PS2 device driver (alternative for PS2 Alps touchpads)

Resources

• GitHub Repository