New Vostro 3360 touchpad scroll

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http://askubuntu.com – I have purchased one Vostro 3360 that appears to be supported by Ubuntu. I have problems with Ethernet (I solved with alx drivers) and touchpad Alps (scroll not working) after install Ubuntu 12.04.(Same with Debian Testing and Ubuntu 12.10 beta 1) I can't select touchpad options in Gnome and Touchpad appears as PS/2 Mouse with xinput --list. I found information in several bug reports but nothing works. psmouse solution with this I can select Touchpad settings but scroll is still not working. Oneiric packages from DELL http://wielki.tk/vostro/ with this everything works but the mousepad r (HowTos)