According to https://aur.archlinux.org/packages/psmouse-alps/ adding https://github.com/bgamari/linux/commit/1527416a726b823225f97c4d733dcdd9df7f50d6.patch will enable it.
I don't know how to find out if/when the patch was merged to the kernel.
According to https:/ /aur.archlinux. org/packages/ psmouse- alps/ adding https:/ /github. com/bgamari/ linux/commit/ 1527416a726b823 225f97c4d733dcd d9df7f50d6. patch will enable it.
I don't know how to find out if/when the patch was merged to the kernel.