On Tue, 27 Sep 2022 15:02:23 +0200 Ricardo Ribalda <ribalda@xxxxxxxxxxxx> wrote: > Hi Brian > > > This one is a bit weird: > /sys/devices/pci0000:00/0000:00:1d.2/0000:04:00.0/usb3/3-3/authorized > 0 > > can you try: > echo 1 > > /sys/devices/pci0000:00/0000:00:1d.2/0000:04:00.0/usb3/3-3/authorized > dmesg > > Thanks! > OK, this is the result, I used su -c '<command>' as it wouldn't work with plain sudo for some reason: [ 823.052067] usb 3-3: Found UVC 1.00 device USB 2.0 Camera (0c45:636b) [ 823.074519] input: USB 2.0 Camera: USB Camera as /devices/pci0000:00/0000:00:1d.2/0000:04:00.0/usb3/3-3/3-3:1.0/input/input27 [ 823.082502] usb 3-3: 3:1: cannot get freq at ep 0x84 [ 823.113857] usb 3-3: authorized to connect [ 823.203123] usb 3-3: 3:1: cannot get freq at ep 0x84 [ 823.214318] usb 3-3: 3:1: cannot get freq at ep 0x84 [bdm@deangelis ~]$ ll /dev/video* crw-rw----+ 1 root video 81, 0 Sep 27 14:05 /dev/video0 crw-rw----+ 1 root video 81, 1 Sep 27 14:18 /dev/video1 crw-rw----+ 1 root video 81, 2 Sep 27 14:18 /dev/video2 [bdm@deangelis ~]$ I started Cheese and suddenly I have video, also pipewire reports a new audio source as well. I wonder how this can be made to work automatically. Could it just be a quirk of this particular USB VID/PID? I note that the PID is not listed in the hwdata USB IDs. -- Brian Morrison