sn99commentedJan 13, 2021 psmouse serio1: elantech: The touchpad can support a better bus than the too old PS/2 protocol. Make sure MOUSE_PS2_ELANTECH_SMBUS and MOUSE_ELAN_I2C_SMBUS are enabled to get a better touchpad experience. ...
TCA6416A SCPS194F – MAY 2009 – REVISED JANUARY 2023 TCA6416A Low-Voltage 16-Bit I2C and SMBus I/O Expander With Voltage Translation, Interrupt Output, Reset Input, and Configuration Registers 1 Features • I2C to parallel port expander • Operating power-supply voltage range of 1.65 V...