[Bug 2161223] Re: Touchpad (ELAN0718) not working on HP Pavilion Gaming Laptop 15 with kernel 7.0.0 (Ubuntu 26.04)

** Changed in: linux (Ubuntu) Importance: Undecided => High ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Changed in: linux (Ubuntu) Assignee: (unassigned) => Krystian Kaniewski (kkaniewski) -- You received this bug notification because you are subscribed to linux in Ubuntu. Matching subscriptions: Bgg, Bmail, Nb https://bugs.launchpad.net/bugs/2161223 Title: Touchpad (ELAN0718) not working on HP Pavilion Gaming Laptop 15 with kernel 7.0.0 (Ubuntu 26.04) Status in linux package in Ubuntu: Incomplete Bug description: HP Pavilion Gaming Laptop 15 (Ryzen 5 4600H, AMD Raven/Picasso platform) Touchpad ACPI ID: ELAN0718 (I2C HID device), also enumerated as legacy PS/2 (ETPS/2 Elantech) via psmouse psmouse/elantech driver loads without errors and creates input device, but produces zero events (confirmed via evtest and raw /dev/input/eventX read) ACPI device ELAN0718:01 exists on i2c bus (i2c-ELAN0718:01) but has no driver bound, i2c_hid_acpi shows 0 usage No physical I2C controller PCI device found matching this bus (only i2c_piix4 SMBus for RAM SPD) Touchpad works fine under Windows on same hardware Tested: i8042 params, psmouse.elantech_smbus=0, manual driver bind attempts — none resolved it Kernel: 7.0.0-28-generic, Ubuntu 26.04 "resolute" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2161223/+subscriptions