sorry I have now not very lot of time to work on this project.
There the dmsg output when I connect a usb-p1K:
[4442678.279000] usb 1-1: new full speed USB device using uhci_hcd and address 2
[4442679.363000] usbcore: registered new driver hiddev
[4442679.377000] hiddev96: USB HID v1.00 Device [Yealink Network Technology Ltd. VOIP USB Phone ] on usb-0000:00:1d.0-1
[4442679.377000] usbcore: registered new driver usbhid
[4442679.377000] drivers/usb/input/hid-core.c: v2.01:USB HID core driver
[4442679.622000] usbcore: registered new driver snd-usb-audio