For Dell XPS, try remove pinctrl_sunrisepoint driver, it should work. sudo rmmod pinctrl_sunrisepoint
There is a discussion and a patch for this issue here https://bugzilla.kernel.org/show_bug.cgi?id=176361 ** Bug watch added: Linux Kernel Bug Tracker #176361 http://bugzilla.kernel.org/show_bug.cgi?id=176361 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xinput in Ubuntu. https://bugs.launchpad.net/bugs/1275416 Title: touchscreen do not work after suspend/resume To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xinput/+bug/1275416/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
