Most ALPS touchpads work out of the box with the libinput driver. If not:
"ALPS Driver Not Working? Here's How to Fix It" alps driver
Alps Alpine Co., Ltd. (formerly ALPS Electric) is a Japanese electronics manufacturer. They produce input devices (touchpads, trackpoints, sensors) used in many laptops. Their drivers are typically maintained by the laptop OEM, not directly by Alps Alpine. "Where to Safely Download ALPS Drivers" Most ALPS touchpads work out of the box
If your laptop's touchpad or trackpoint is acting up, the ALPS driver might be outdated or corrupted. ALPS drivers are common in Dell, Lenovo, and Toshiba laptops. and Toshiba laptops.