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I have a problem with a prolite t2735msc touchscreen monitor that seems similar to USB3 hub pb. The monitor includes a touchscreen device and a webcam connected through a USB3 hub (inside the monitor).
When I plug the monitor onto the RPI, I have this messages :
dmesg:
[ 290.900039] usb 1-1.2: new high-speed USB device number 11 using dwc_otg
[ 291.003164] usb 1-1.2: New USB device found, idVendor=2109, idProduct=2812
[ 291.003200] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 291.003216] usb 1-1.2: Product: USB2.0 Hub
[ 291.003231] usb 1-1.2: Manufacturer: VIA Labs, Inc.
[ 291.012023] hub 1-1.2:1.0: USB hub found
[ 291.012423] hub 1-1.2:1.0: 4 ports detected
[ 291.310153] usb 1-1.2.3: new high-speed USB device number 12 using dwc_otg
[ 291.420227] usb 1-1.2.4: new full-speed USB device number 13 using dwc_otg
[ 291.510152] usb 1-1.2.4: device descriptor read/64, error -71
[ 291.710208] usb 1-1.2.4: device descriptor read/64, error -71
[ 291.910241] usb 1-1.2.4: new full-speed USB device number 14 using dwc_otg
[ 292.000253] usb 1-1.2.4: device descriptor read/64, error -71
[ 292.200183] usb 1-1.2.4: device descriptor read/64, error -71
[ 292.400162] usb 1-1.2.4: new full-speed USB device number 15 using dwc_otg
[ 292.819981] usb 1-1.2.4: device not accepting address 15, error -71
[ 292.910243] usb 1-1.2.4: new full-speed USB device number 16 using dwc_otg
[ 293.330001] usb 1-1.2.4: device not accepting address 16, error -71
[ 293.330300] hub 1-1.2:1.0: unable to enumerate USB device on port 4
[ 293.580415] usb 1-1.2.3: new high-speed USB device number 17 using dwc_otg
[ 294.021346] usb 1-1.2.3: New USB device found, idVendor=1bcf, idProduct=2281
[ 294.021381] usb 1-1.2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 294.021399] usb 1-1.2.3: Product: SPCA2281 Web Camera
[ 294.021416] usb 1-1.2.3: Manufacturer: Sunplus IT Co
[ 294.251670] uvcvideo: Found UVC 1.00 device SPCA2281 Web Camera (1bcf:2281)
[ 294.274529] input: SPCA2281 Web Camera as /devices/platform/bcm2708_usb/usb1/1-1/1-1.2/1-1.2.3/1-1.2.3:1.0/input/input3
[ 294.347564] usb_audio: Warning! Unlikely big volume range (=4096), cval->res is probably wrong.
[ 294.347600] usb_audio: [5] FU [Mic Capture Volume] ch = 1, val = 0/4096/1
lsusb -t:
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M
|__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/3p, 480M
|__ Port 1: Dev 3, If 0, Class=vend., Driver=smsc95xx, 480M
|__ Port 2: Dev 4, If 0, Class=hub, Driver=hub/4p, 480M
|__ Port 3: Dev 6, If 0, Class='bInterfaceClass 0x0e not yet handled', Driver=uvcvideo, 480M
|__ Port 3: Dev 6, If 1, Class='bInterfaceClass 0x0e not yet handled', Driver=uvcvideo, 480M
|__ Port 3: Dev 6, If 2, Class=audio, Driver=snd-usb-audio, 480M
|__ Port 3: Dev 6, If 3, Class=audio, Driver=snd-usb-audio, 480M
Web cam is well recognized but not the touchscreen device. When I set "dwc_otg.speed=1" in "cmdline.txt", it works fine:
dmesg:
[ 51.398132] usb 1-1.2: new full-speed USB device number 4 using dwc_otg
[ 51.500286] usb 1-1.2: Parent hub missing LPM exit latency info. Power management will be impacted.
[ 51.501309] usb 1-1.2: not running at top speed; connect to a high speed hub
[ 51.506389] usb 1-1.2: New USB device found, idVendor=2109, idProduct=2812
[ 51.506416] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 51.506433] usb 1-1.2: Product: USB2.0 Hub
[ 51.506447] usb 1-1.2: Manufacturer: VIA Labs, Inc.
[ 51.519532] hub 1-1.2:1.0: USB hub found
[ 51.520256] hub 1-1.2:1.0: 4 ports detected
[ 51.818264] usb 1-1.2.3: new full-speed USB device number 5 using dwc_otg
[ 51.968220] usb 1-1.2.4: new full-speed USB device number 6 using dwc_otg
[ 52.086249] usb 1-1.2.4: New USB device found, idVendor=0596, idProduct=053f
[ 52.086281] usb 1-1.2.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 52.086297] usb 1-1.2.4: Product: 3M MicroTouch USB controller
[ 52.086311] usb 1-1.2.4: Manufacturer: 3M
[ 52.236572] input: 3M 3M MicroTouch USB controller as /devices/platform/bcm2708_usb/usb1/1-1/1-1.2/1-1.2.4/1-1.2.4:1.0/input/input0
[ 52.242841] hid-multitouch 0003:0596:053F.0001: input,hiddev0,hidraw0: USB HID v1.10 Pointer [3M 3M MicroTouch USB controller] on usb-bcm2708_usb-1.2.4/input0
[ 52.348438] usb 1-1.2.3: new full-speed USB device number 7 using dwc_otg
[ 52.624739] usb 1-1.2.3: not running at top speed; connect to a high speed hub
[ 52.742765] usb 1-1.2.3: New USB device found, idVendor=1bcf, idProduct=2281
[ 52.742800] usb 1-1.2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 52.742817] usb 1-1.2.3: Product: SPCA2281 Web Camera
[ 52.742832] usb 1-1.2.3: Manufacturer: Sunplus IT Co
[ 53.076835] media: Linux media interface: v0.10
[ 53.102099] Linux video capture interface: v2.00
[ 53.147598] uvcvideo: Found UVC 1.00 device SPCA2281 Web Camera (1bcf:2281)
[ 53.173877] input: SPCA2281 Web Camera as /devices/platform/bcm2708_usb/usb1/1-1/1-1.2/1-1.2.3/1-1.2.3:1.0/input/input1
[ 53.175412] usbcore: registered new interface driver uvcvideo
[ 53.175437] USB Video Class driver (1.1.1)
[ 53.317006] usb_audio: Warning! Unlikely big volume range (=4096), cval->res is probably wrong.
[ 53.317040] usb_audio: [5] FU [Mic Capture Volume] ch = 1, val = 0/4096/1<6>[ 53.326126] usbcore: registered new interface driver snd-usb-audio
lsusb -t :
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M
|__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/3p, 12M
|__ Port 1: Dev 3, If 0, Class=vend., Driver=smsc95xx, 12M
|__ Port 2: Dev 4, If 0, Class=hub, Driver=hub/4p, 12M
|__ Port 3: Dev 7, If 0, Class='bInterfaceClass 0x0e not yet handled', Driver=uvcvideo, 12M
|__ Port 3: Dev 7, If 1, Class='bInterfaceClass 0x0e not yet handled', Driver=uvcvideo, 12M
|__ Port 3: Dev 7, If 2, Class=audio, Driver=snd-usb-audio, 12M
|__ Port 3: Dev 7, If 3, Class=audio, Driver=snd-usb-audio, 12M
|__ Port 4: Dev 6, If 0, Class=HID, Driver=usbhid, 12M
the problem is that I need to use USB2 device simultaneously with this touchscreen. Do you know how I can solve my problem?
Thank's a lot in advance
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