Problems with cypress touchpad xps 12

Hello,

i have a dell xps 12 with windows 10 64bit. Since the last windows 10 update i have big problems with my cypress trackpad. the scrolling with two fingers doesn't working anymore and the left click working reliable. i delete the cypress driver annd re-install the cypress driver 2.5.1.65 again but nothing change. anybody with the same problem? any fixes?