On Di, 2018-10-16 at 10:41 +0200, Julian Xhokaxhiu wrote: > Good morning Oliver, > > thank you very much for the reply. I will try to build a test kernel > hopefully later this evening and I'll get back to you. > > Meanwhile you can see in the attachment in my first email the output > of `$ lsusb -v -d 152d:1561` That is the problem. I just cannot find a quirk for that device. And the generic ASMedia code should not match. > Is there a way to test UAS without recompiling the Kernel? Like a > Kernel argument or modprobe option? Unfortunately the existing option allow setting US_FL_IGNORE_UAS but not clearing it. You need to recompile. Regards Oliver