Note that you do need to install the linux-image-extra package in addition to the linux-image package. The headers packages are optional, but if your touchpad driver does turn out to be DKMS then you may need them for it to work.
Note that you do need to install the linux-image-extra package in addition to the linux-image package. The headers packages are optional, but if your touchpad driver does turn out to be DKMS then you may need them for it to work.