There's a lot of reports of failures when using dongles with that chip. Some people have had success when switching to HDMI cables with better shielding.
On Fri, Feb 2, 2018, 01:40 Kai-Heng Feng <[email protected]> wrote: > @Mario, > > The device I mentioned is a USB Type-C to HDMI UHD dongle, it uses a NXP > PTN5002 inside: > > T: Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 > D: Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 > P: Vendor=1fc9 ProdID=5002 Rev=01.00 > S: Manufacturer=NXP > S: Product=PTN5002 > S: SerialNumber=0000039e5595 > C: #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA > I: If#= 0 Alt= 0 #EPs= 0 Cls=fe(app. ) Sub=01 Prot=01 Driver=(none) > > I just tried to use this dongle under Windows 10, same result. So > probably a hardware/firmware issue. > > The NXP PTN5002 works on Precision 3520's TBT port. > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1745747 > > Title: > No USB support for Dell XPS 13 9370 running Bionic 18.04 > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1745747/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1745747 Title: No USB support for Dell XPS 13 9370 running Bionic 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1745747/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
