On Mon, Feb 18, 2019 at 04:56:41PM +0200, Leonid Bobrov wrote: > On Mon, Feb 18, 2019 at 11:59:30AM +0200, Leonid Bobrov wrote: > > On Sun, Feb 17, 2019 at 11:44:03PM -0000, Stuart Henderson wrote: > > > If you need to ask how to enable it, it really isn't going to be useful > > > for you, it's pretty obvious in xhci.c. > > > > > > > Oh, ok, I'll check it out. > > > > Enabling isochronous transfers in xhci(4) made my UBS 2.0 webcam work at > my computer, but for some reason that same webcam doesn't work at my > laptop. And yes, built-in laptop webcam doesn't work too.
According to your computer's dmesg the webcam was attached via ehci(4) instead of xhci(4): ehci0 -> usb1 -> uhub1 -> uvideo0 > ehci0 at pci0 dev 18 function 2 "AMD Hudson-2 USB2" rev 0x11: apic 0 int 17 > usb1 at ehci0: USB revision 2.0 > uhub1 at usb1 configuration 1 interface 0 "AMD EHCI root hub" rev 2.00/1.00 > addr 1 > uvideo0 at uhub1 port 2 configuration 1 interface 0 "Aveotek GEMIX WEBCAM USB > AUDIO" rev 2.00/3.11 addr 2
