Can Wacom Cintiq function as a USB Hub?

Can Wacom Cintiq function as a USB Hub?

What does the USB tree look like with the Cintiq connected?

 1[joakim@fedora ~]$ lsusb  -t
 2/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 10000M
 3    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 5000M
 4	|__ Port 4: Dev 3, If 0, Class=Hub, Driver=hub/4p, 5000M
 5	    |__ Port 3: Dev 4, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
 6/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
 7/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M
 8/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
 9    |__ Port 2: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 12M
10    |__ Port 5: Dev 89, If 0, Class=Hub, Driver=hub/4p, 480M
11	|__ Port 3: Dev 95, If 0, Class=Audio, Driver=snd-usb-audio, 12M
12	|__ Port 3: Dev 95, If 3, Class=Human Interface Device, Driver=usbhid, 12M
13	|__ Port 3: Dev 95, If 1, Class=Audio, Driver=snd-usb-audio, 12M
14	|__ Port 3: Dev 95, If 2, Class=Audio, Driver=snd-usb-audio, 12M
15	|__ Port 4: Dev 90, If 0, Class=Hub, Driver=hub/4p, 480M
16	    |__ Port 4: Dev 92, If 0, Class=Vendor Specific Class, Driver=ftdi_sio, 480M
17	    |__ Port 2: Dev 91, If 0, Class=Human Interface Device, Driver=usbhid, 12M
18	    |__ Port 1: Dev 93, If 0, Class=Human Interface Device, Driver=usbhid, 12M
19    |__ Port 7: Dev 5, If 0, Class=Wireless, Driver=btusb, 12M
20    |__ Port 7: Dev 5, If 1, Class=Wireless, Driver=btusb, 12M
21    |__ Port 9: Dev 7, If 0, Class=Video, Driver=uvcvideo, 480M
22    |__ Port 9: Dev 7, If 1, Class=Video, Driver=uvcvideo, 480M
23    |__ Port 10: Dev 9, If 0, Class=Chip/SmartCard, Driver=usbfs, 12M
 1[joakim@fedora ~]$ lsusb
 2Bus 004 Device 004: ID 05e3:0749 Genesys Logic, Inc. SD Card Reader and Writer
 3Bus 004 Device 003: ID 056a:0364 Wacom Co., Ltd
 4Bus 004 Device 002: ID 056a:036d Wacom Co., Ltd
 5Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 6Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 7Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 8Bus 001 Device 007: ID 05c8:03b1 Cheng Uei Precision Industry Co., Ltd (Foxlink) Webcam
 9Bus 001 Device 005: ID 8087:0a2b Intel Corp. Bluetooth wireless interface
10Bus 001 Device 092: ID 0403:6014 Future Technology Devices International, Ltd FT232H Single HS USB-UART/FIFO IC
11Bus 001 Device 091: ID 056a:0353 Wacom Co., Ltd DTH-1320 [Cintiq Pro 13] touchscreen
12Bus 001 Device 093: ID 056a:034f Wacom Co., Ltd DTH-1320 [Cintiq Pro 13] tablet
13Bus 001 Device 090: ID 056a:0366 Wacom Co., Ltd
14Bus 001 Device 095: ID 0572:1b08 Conexant Systems (Rockwell), Inc. Hi-Res Audio
15Bus 001 Device 089: ID 056a:036f Wacom Co., Ltd
16Bus 001 Device 003: ID 03f0:a31d HP, Inc HP lt4132 LTE/HSPA+ 4G Module
17Bus 001 Device 002: ID 056a:0331 Wacom Co., Ltd ACK-411050 [ExpressKey Remote]
18Bus 001 Device 009: ID 058f:9540 Alcor Micro Corp. AU9540 Smartcard Reader
19Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

The USB audio works conected to the Cintiq,

but can I connect a USB-C hub to Cintiq?

Yes, and now I have EKR, Zoom H2, and Akai Mpk connected!

 1Bus 004 Device 011: ID 05e3:0749 Genesys Logic, Inc. SD Card Reader and Writer
 2Bus 004 Device 009: ID 056a:0364 Wacom Co., Ltd
 3Bus 004 Device 010: ID 05e3:0749 Genesys Logic, Inc. SD Card Reader and Writer
 4Bus 004 Device 008: ID 05e3:0626 Genesys Logic, Inc. Hub
 5Bus 004 Device 007: ID 056a:036d Wacom Co., Ltd
 6Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 7Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 8Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 9Bus 001 Device 006: ID 05c8:03b1 Cheng Uei Precision Industry Co., Ltd (Foxlink) Webcam
10Bus 001 Device 004: ID 8087:0a2b Intel Corp. Bluetooth wireless interface
11Bus 001 Device 023: ID 0403:6014 Future Technology Devices International, Ltd FT232H Single HS USB-UART/FIFO IC
12Bus 001 Device 021: ID 056a:0353 Wacom Co., Ltd DTH-1320 [Cintiq Pro 13] touchscreen
13Bus 001 Device 027: ID 056a:034f Wacom Co., Ltd DTH-1320 [Cintiq Pro 13] tablet
14Bus 001 Device 019: ID 056a:0366 Wacom Co., Ltd
15Bus 001 Device 026: ID 1d5c:7102 Fresco Logic Generic Billboard Device
16Bus 001 Device 025: ID 1a40:0101 Terminus Technology Inc. Hub
17Bus 001 Device 024: ID 1686:0045 ZOOM Corporation Handy Recorder stereo mix
18Bus 001 Device 022: ID 09e8:1049 AKAI  Professional M.I. Corp. MPK mini 3
19Bus 001 Device 020: ID 056a:0331 Wacom Co., Ltd ACK-411050 [ExpressKey Remote]
20Bus 001 Device 018: ID 05e3:0610 Genesys Logic, Inc. Hub
21Bus 001 Device 017: ID 056a:036f Wacom Co., Ltd
22Bus 001 Device 002: ID 03f0:a31d HP, Inc HP lt4132 LTE/HSPA+ 4G Module
23Bus 001 Device 009: ID 058f:9540 Alcor Micro Corp. AU9540 Smartcard Reader
24Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 1
 2[joakim@fedora ~]$ lsusb -t
 3/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 10000M
 4    |__ Port 1: Dev 7, If 0, Class=Hub, Driver=hub/4p, 5000M
 5	|__ Port 3: Dev 8, If 0, Class=Hub, Driver=hub/4p, 5000M
 6	    |__ Port 4: Dev 10, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
 7	|__ Port 4: Dev 9, If 0, Class=Hub, Driver=hub/4p, 5000M
 8	    |__ Port 3: Dev 11, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
 9/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
10/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M
11/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
12    |__ Port 5: Dev 17, If 0, Class=Hub, Driver=hub/4p, 480M
13	|__ Port 3: Dev 18, If 0, Class=Hub, Driver=hub/4p, 480M
14	    |__ Port 3: Dev 24, If 2, Class=Audio, Driver=snd-usb-audio, 12M
15	    |__ Port 3: Dev 24, If 0, Class=Audio, Driver=snd-usb-audio, 12M
16	    |__ Port 3: Dev 24, If 1, Class=Audio, Driver=snd-usb-audio, 12M
17	    |__ Port 1: Dev 20, If 0, Class=Human Interface Device, Driver=usbhid, 12M
18	    |__ Port 4: Dev 25, If 0, Class=Hub, Driver=hub/4p, 480M
19		|__ Port 2: Dev 26, If 0, Class=, Driver=, 12M
20	    |__ Port 2: Dev 22, If 2, Class=Audio, Driver=snd-usb-audio, 12M
21	    |__ Port 2: Dev 22, If 0, Class=Human Interface Device, Driver=usbhid, 12M
22	    |__ Port 2: Dev 22, If 1, Class=Audio, Driver=snd-usb-audio, 12M
23	|__ Port 4: Dev 19, If 0, Class=Hub, Driver=hub/4p, 480M
24	    |__ Port 4: Dev 23, If 0, Class=Vendor Specific Class, Driver=ftdi_sio, 480M
25	    |__ Port 2: Dev 21, If 0, Class=Human Interface Device, Driver=usbhid, 12M
26	    |__ Port 1: Dev 27, If 0, Class=Human Interface Device, Driver=usbhid, 12M
27    |__ Port 7: Dev 4, If 0, Class=Wireless, Driver=btusb, 12M
28    |__ Port 7: Dev 4, If 1, Class=Wireless, Driver=btusb, 12M
29    |__ Port 9: Dev 6, If 0, Class=Video, Driver=uvcvideo, 480M
30    |__ Port 9: Dev 6, If 1, Class=Video, Driver=uvcvideo, 480M
31    |__ Port 10: Dev 9, If 0, Class=Chip/SmartCard, Driver=usbfs, 12M