Comment # 9 on bug 1193213 from Marco Varlese

(In reply to Takashi Iwai from comment #7)
> Could you give also the dmesg output from the working case, too?
> 
> Judging from the hwinfo outputs, the working case seems to have the elantech
> touchpad, and the broken case doesn't have it.  The dmesg output shows some
> error from elantech driver, but it's not clear whether it's the fatal error
> that leaded the the lack of the device itself.
> 
> My wild guess is that, due to the failure from the elantech driver
> initialization, it falls back to the legacy mouse that has no multi-finger
> support.

Done :)