Comment 32 for bug 1590590

Thank you for posting this Mentis, I now also have a working touchpad on e5470:
$ uname -r
4.9.0-040900rc5-generic
$ xinput
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ AlpsPS/2 ALPS DualPoint TouchPad id=12 [slave pointer (2)]
⎜ ↳ AlpsPS/2 ALPS DualPoint Stick id=13 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
    ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
    ↳ Power Button id=6 [slave keyboard (3)]
    ↳ Video Bus id=7 [slave keyboard (3)]
    ↳ Power Button id=8 [slave keyboard (3)]
    ↳ Sleep Button id=9 [slave keyboard (3)]
    ↳ Integrated_Webcam_HD id=10 [slave keyboard (3)]
    ↳ AT Translated Set 2 keyboard id=11 [slave keyboard (3)]
    ↳ Dell WMI hotkeys id=14 [slave keyboard (3)]
    ↳ DELL Wireless hotkeys id=15 [slave keyboard (3)]

My wifi stopped working but it was solved by download https://github.com/OpenELEC/iwlwifi-firmware/blob/master/firmware/iwlwifi-8000C-22.ucode and copying it into /lib/firmware/