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Date: Sat, 13 Mar 2010 12:01:13 +0100 From: Sander Eikelenboom <linux@...elenboom.it> To: Sarah Sharp <sarah.a.sharp@...ux.intel.com> CC: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, andiry.xu@....com, <libin.yang@....com> Subject: Re: [2.6.34-rc1] Problem using USB 1.1 device on USB 3.0 xhci host controller The patches applied cleanly, but the device doesn't work yet. complete dmesg and lsusb -vvv attached. Highlights from dmesg: [ 1.738043] usb 9-3: skipped 4 descriptors after interface [ 1.738045] usb 9-3: skipped 2 descriptors after interface [ 1.738048] usb 9-3: skipped 1 descriptor after endpoint [ 1.738050] usb 9-3: skipped 2 descriptors after interface [ 1.738053] usb 9-3: skipped 1 descriptor after endpoint [ 1.738055] usb 9-3: skipped 2 descriptors after interface [ 1.738057] usb 9-3: skipped 1 descriptor after endpoint [ 1.738059] usb 9-3: skipped 2 descriptors after interface [ 1.738061] usb 9-3: skipped 1 descriptor after endpoint [ 1.741021] xhci_hcd 0000:03:00.0: WARN: short transfer on control ep [ 1.742039] usb 9-3: default language 0x0409 [ 1.765016] xhci_hcd 0000:03:00.0: WARN: short transfer on control ep [ 1.766036] usb 9-3: udev 2, busnum 9, minor = 1025 [ 1.766038] usb 9-3: New USB device found, idVendor=0471, idProduct=0311 [ 1.766244] usb 9-3: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 1.766448] usb 9-3: SerialNumber: 01680000EA164101 [ 1.766811] usb 9-3: usb_probe_device [ 1.766813] usb 9-3: configuration #1 chosen from 1 choice [ 1.767184] usb 9-3: Successful Endpoint Configure command [ 1.769035] usb 9-3: adding 9-3:1.0 (config #1, interface 0) [ 1.769151] usb 9-3: adding 9-3:1.1 (config #1, interface 1) [ 1.769235] usb 9-3: adding 9-3:1.2 (config #1, interface 2) [ 4.483174] pwc: Philips PCVC740K (ToUCam Pro)/PCVC840 (ToUCam II) USB webcam detected. [ 4.515833] xhci_hcd 0000:03:00.0: WARN: short transfer on control ep [ 4.516894] pwc: Registered as video0. [ 4.518834] xhci_hcd 0000:03:00.0: WARN: Stalled endpoint [ 4.520834] xhci_hcd 0000:03:00.0: WARN: Stalled endpoint [ 4.521051] Philips webcam 9-3:1.1: usb_probe_interface [ 4.521053] Philips webcam 9-3:1.1: usb_probe_interface - got id [ 4.521058] Philips webcam 9-3:1.2: usb_probe_interface [ 4.521060] Philips webcam 9-3:1.2: usb_probe_interface - got id [ 4.521073] usbcore: registered new interface driver Philips webcam And when trying to actually grab pictures from the device: [ 12.957593] usb 9-3: Successful Endpoint Configure command [ 12.967542] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7ac74000, num_trbs = 10 [ 12.967553] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7af8c000, num_trbs = 10 [ 12.985500] xhci_hcd 0000:03:00.0: WARN Event TRB for slot 1 ep 10 with no TDs queued? [ 20.946116] eth1: no IPv6 routers present [ 40.029279] usb 9-3: Successful Endpoint Configure command [ 40.039186] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7a814000, num_trbs = 10 [ 40.039198] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7b734000, num_trbs = 10 [ 40.057195] xhci_hcd 0000:03:00.0: WARN Event TRB for slot 1 ep 10 with no TDs queued? [ 40.216270] usb 9-3: Successful Endpoint Configure command [ 40.226183] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7a9c0000, num_trbs = 10 [ 40.226193] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7a98c000, num_trbs = 10 [ 40.245183] xhci_hcd 0000:03:00.0: WARN Event TRB for slot 1 ep 10 with no TDs queued? [ 40.399261] usb 9-3: Successful Endpoint Configure command [ 40.408210] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7a9c0000, num_trbs = 10 [ 40.408220] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7a98c000, num_trbs = 10 [ 47.145805] xhci_hcd 0000:03:00.0: WARN Event TRB for slot 1 ep 10 with no TDs queued? [ 48.076894] usb 9-3: Successful Endpoint Configure command [ 48.086805] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7b180000, num_trbs = 10 [ 48.086816] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7b47c000, num_trbs = 10 [ 48.105803] xhci_hcd 0000:03:00.0: WARN Event TRB for slot 1 ep 10 with no TDs queued? [ 48.263885] usb 9-3: Successful Endpoint Configure command [ 48.273796] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7bba0000, num_trbs = 10 [ 48.273807] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7af6c000, num_trbs = 10 [ 48.292793] xhci_hcd 0000:03:00.0: WARN Event TRB for slot 1 ep 10 with no TDs queued? [ 48.446875] usb 9-3: Successful Endpoint Configure command [ 48.456784] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7bba0000, num_trbs = 10 [ 48.456794] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7af6c000, num_trbs = 10 [ 51.778648] xhci_hcd 0000:03:00.0: WARN Event TRB for slot 1 ep 10 with no TDs queued? Saturday, March 13, 2010, 12:25:38 AM, you wrote: > On Fri, Mar 12, 2010 at 05:43:45PM +0100, Sander Eikelenboom wrote: >> Hi Sarah, >> >> I'm trying to use an USB 1.1 device on a USB 3.0 host controller, but it doesn't seem to work (tested with kernel versions up to 2.6.34-rc1): >> - with lsusb I can only see a usb 3.0 root hub (with a USB 2.0 host controller, i'am always seeing the roothubs for lower speeds as well, so maybe this is the problem ?) >> - with lsusb I can see the usb 1.1 device connected to the USB 3.0 root hub. >> - the driver from the usb 1.1 device get loaded, but it gives errors, and (it's a webcam) doesn't give video. >> - the manufacturer claims it should be backwards compatible hardware. >> >> - Should this work with the current (expirimental) state of the xhci-hcd driver in linux ? >> >> The hardware is (asus U3S6): >> 03:00.0 USB Controller [0c03]: NEC Corporation Device [1033:0194] (rev 03) (prog-if 30) >> Subsystem: ASUSTeK Computer Inc. Device [1043:8413] > From the log files, it looks like your usb 1.1 device is a webcam; is > that correct? >> [ 5.097306] pwc: Philips webcam module version 10.0.13 loaded. >> [ 5.097507] pwc: Supports Philips PCA645/646, PCVC675/680/690, PCVC720[40]/730/740/750 & PCVC830/840. >> [ 5.097859] pwc: Also supports the Askey VC010, various Logitech Quickcams, Samsung MPC-C10 and MPC-C30, >> [ 5.098215] pwc: the Creative WebCam 5 & Pro Ex, SOTEC Afina Eye and Visionite VCS-UC300 and VCS-UM100. >> [ 5.098557] pwc: Trace options: 0x0001 >> [ 5.098576] Philips webcam 9-3:1.0: usb_probe_interface >> [ 5.098578] Philips webcam 9-3:1.0: usb_probe_interface - got id > ... >> [ 13.116489] pwc: isoc_init() submit_urb 0 failed with error -22 > Webcams have isochronous endpoints, and the xHCI driver doesn't support > isochronous transfers yet. There are patches to add isochronous > support, but they're still under going review. They missed the 2.6.34 > merge window, so I'm not sure if they'll make it into 2.6.34 or 2.6.35. > If you want to try them out, the latest versions of the patches are > here: > http://marc.info/?l=linux-usb&m=126838645617885&w=2 > http://marc.info/?l=linux-usb&m=126838648717923&w=2 > http://marc.info/?l=linux-usb&m=126838649217932&w=2 > Let me know if they work for you. > Sarah Sharp >> Bus 009 Device 002: ID 0471:0311 Philips PCVC740K ToUcam Pro [pwc] >> Device Descriptor: >> bLength 18 >> bDescriptorType 1 >> bcdUSB 1.10 >> bDeviceClass 0 (Defined at Interface level) >> bDeviceSubClass 0 >> bDeviceProtocol 0 >> bMaxPacketSize0 8 >> idVendor 0x0471 Philips >> idProduct 0x0311 PCVC740K ToUcam Pro [pwc] >> bcdDevice 0.03 >> iManufacturer 0 >> iProduct 0 >> iSerial 1 01680000EA164101 >> bNumConfigurations 1 >> Configuration Descriptor: >> bLength 9 >> bDescriptorType 2 >> wTotalLength 490 >> bNumInterfaces 3 >> bConfigurationValue 1 >> iConfiguration 0 >> bmAttributes 0xa0 >> (Bus Powered) >> Remote Wakeup >> MaxPower 500mA >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 0 >> bAlternateSetting 0 >> bNumEndpoints 2 >> bInterfaceClass 255 Vendor Specific Class >> bInterfaceSubClass 0 >> bInterfaceProtocol 0 >> iInterface 0 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x82 EP 2 IN >> bmAttributes 3 >> Transfer Type Interrupt >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0001 1x 1 bytes >> bInterval 32 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x85 EP 5 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0000 1x 0 bytes >> bInterval 1 >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 0 >> bAlternateSetting 1 >> bNumEndpoints 2 >> bInterfaceClass 255 Vendor Specific Class >> bInterfaceSubClass 0 >> bInterfaceProtocol 0 >> iInterface 0 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x82 EP 2 IN >> bmAttributes 3 >> Transfer Type Interrupt >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0001 1x 1 bytes >> bInterval 32 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x85 EP 5 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x00c4 1x 196 bytes >> bInterval 1 >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 0 >> bAlternateSetting 2 >> bNumEndpoints 2 >> bInterfaceClass 255 Vendor Specific Class >> bInterfaceSubClass 0 >> bInterfaceProtocol 0 >> iInterface 0 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x82 EP 2 IN >> bmAttributes 3 >> Transfer Type Interrupt >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0001 1x 1 bytes >> bInterval 32 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x85 EP 5 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0124 1x 292 bytes >> bInterval 1 >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 0 >> bAlternateSetting 3 >> bNumEndpoints 2 >> bInterfaceClass 255 Vendor Specific Class >> bInterfaceSubClass 0 >> bInterfaceProtocol 0 >> iInterface 0 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x82 EP 2 IN >> bmAttributes 3 >> Transfer Type Interrupt >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0001 1x 1 bytes >> bInterval 32 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x85 EP 5 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x01c0 1x 448 bytes >> bInterval 1 >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 0 >> bAlternateSetting 4 >> bNumEndpoints 2 >> bInterfaceClass 255 Vendor Specific Class >> bInterfaceSubClass 0 >> bInterfaceProtocol 0 >> iInterface 0 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x82 EP 2 IN >> bmAttributes 3 >> Transfer Type Interrupt >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0001 1x 1 bytes >> bInterval 32 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x85 EP 5 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0250 1x 592 bytes >> bInterval 1 >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 0 >> bAlternateSetting 5 >> bNumEndpoints 2 >> bInterfaceClass 255 Vendor Specific Class >> bInterfaceSubClass 0 >> bInterfaceProtocol 0 >> iInterface 0 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x82 EP 2 IN >> bmAttributes 3 >> Transfer Type Interrupt >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0001 1x 1 bytes >> bInterval 32 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x85 EP 5 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x02c0 1x 704 bytes >> bInterval 1 >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 0 >> bAlternateSetting 6 >> bNumEndpoints 2 >> bInterfaceClass 255 Vendor Specific Class >> bInterfaceSubClass 0 >> bInterfaceProtocol 0 >> iInterface 0 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x82 EP 2 IN >> bmAttributes 3 >> Transfer Type Interrupt >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0001 1x 1 bytes >> bInterval 32 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x85 EP 5 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0308 1x 776 bytes >> bInterval 1 >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 0 >> bAlternateSetting 7 >> bNumEndpoints 2 >> bInterfaceClass 255 Vendor Specific Class >> bInterfaceSubClass 0 >> bInterfaceProtocol 0 >> iInterface 0 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x82 EP 2 IN >> bmAttributes 3 >> Transfer Type Interrupt >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0001 1x 1 bytes >> bInterval 32 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x85 EP 5 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0348 1x 840 bytes >> bInterval 1 >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 0 >> bAlternateSetting 8 >> bNumEndpoints 2 >> bInterfaceClass 255 Vendor Specific Class >> bInterfaceSubClass 0 >> bInterfaceProtocol 0 >> iInterface 0 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x82 EP 2 IN >> bmAttributes 3 >> Transfer Type Interrupt >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0001 1x 1 bytes >> bInterval 32 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x85 EP 5 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0380 1x 896 bytes >> bInterval 1 >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 0 >> bAlternateSetting 9 >> bNumEndpoints 2 >> bInterfaceClass 255 Vendor Specific Class >> bInterfaceSubClass 0 >> bInterfaceProtocol 0 >> iInterface 0 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x82 EP 2 IN >> bmAttributes 3 >> Transfer Type Interrupt >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0001 1x 1 bytes >> bInterval 32 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x85 EP 5 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x03c0 1x 960 bytes >> bInterval 1 >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 0 >> bAlternateSetting 10 >> bNumEndpoints 2 >> bInterfaceClass 255 Vendor Specific Class >> bInterfaceSubClass 0 >> bInterfaceProtocol 0 >> iInterface 0 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x82 EP 2 IN >> bmAttributes 3 >> Transfer Type Interrupt >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0001 1x 1 bytes >> bInterval 32 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x85 EP 5 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x03c0 1x 960 bytes >> bInterval 1 >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 1 >> bAlternateSetting 0 >> bNumEndpoints 0 >> bInterfaceClass 1 Audio >> bInterfaceSubClass 1 Control Device >> bInterfaceProtocol 0 >> iInterface 0 >> AudioControl Interface Descriptor: >> bLength 9 >> bDescriptorType 36 >> bDescriptorSubtype 1 (HEADER) >> bcdADC 1.00 >> wTotalLength 38 >> bInCollection 1 >> baInterfaceNr( 0) 2 >> AudioControl Interface Descriptor: >> bLength 12 >> bDescriptorType 36 >> bDescriptorSubtype 2 (INPUT_TERMINAL) >> bTerminalID 1 >> wTerminalType 0x0201 Microphone >> bAssocTerminal 0 >> bNrChannels 1 >> wChannelConfig 0x0000 >> iChannelNames 0 >> iTerminal 0 >> AudioControl Interface Descriptor: >> bLength 8 >> bDescriptorType 36 >> bDescriptorSubtype 6 (FEATURE_UNIT) >> bUnitID 2 >> bSourceID 1 >> bControlSize 1 >> bmaControls( 0) 0x03 >> Mute >> Volume >> iFeature 0 >> AudioControl Interface Descriptor: >> bLength 9 >> bDescriptorType 36 >> bDescriptorSubtype 3 (OUTPUT_TERMINAL) >> bTerminalID 3 >> wTerminalType 0x0101 USB Streaming >> bAssocTerminal 0 >> bSourceID 2 >> iTerminal 0 >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 2 >> bAlternateSetting 0 >> bNumEndpoints 0 >> bInterfaceClass 1 Audio >> bInterfaceSubClass 2 Streaming >> bInterfaceProtocol 0 >> iInterface 0 >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 2 >> bAlternateSetting 1 >> bNumEndpoints 1 >> bInterfaceClass 1 Audio >> bInterfaceSubClass 2 Streaming >> bInterfaceProtocol 0 >> iInterface 0 >> AudioStreaming Interface Descriptor: >> bLength 7 >> bDescriptorType 36 >> bDescriptorSubtype 1 (AS_GENERAL) >> bTerminalLink 3 >> bDelay 1 frames >> wFormatTag 1 PCM >> AudioStreaming Interface Descriptor: >> bLength 11 >> bDescriptorType 36 >> bDescriptorSubtype 2 (FORMAT_TYPE) >> bFormatType 1 (FORMAT_TYPE_I) >> bNrChannels 1 >> bSubframeSize 2 >> bBitResolution 16 >> bSamFreqType 1 Discrete >> tSamFreq[ 0] 44100 >> Endpoint Descriptor: >> bLength 9 >> bDescriptorType 5 >> bEndpointAddress 0x84 EP 4 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x005a 1x 90 bytes >> bInterval 1 >> bRefresh 0 >> bSynchAddress 0 >> AudioControl Endpoint Descriptor: >> bLength 7 >> bDescriptorType 37 >> bDescriptorSubtype 1 (EP_GENERAL) >> bmAttributes 0x00 >> bLockDelayUnits 0 Undefined >> wLockDelay 0 Undefined >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 2 >> bAlternateSetting 2 >> bNumEndpoints 1 >> bInterfaceClass 1 Audio >> bInterfaceSubClass 2 Streaming >> bInterfaceProtocol 0 >> iInterface 0 >> AudioStreaming Interface Descriptor: >> bLength 7 >> bDescriptorType 36 >> bDescriptorSubtype 1 (AS_GENERAL) >> bTerminalLink 3 >> bDelay 1 frames >> wFormatTag 1 PCM >> AudioStreaming Interface Descriptor: >> bLength 11 >> bDescriptorType 36 >> bDescriptorSubtype 2 (FORMAT_TYPE) >> bFormatType 1 (FORMAT_TYPE_I) >> bNrChannels 1 >> bSubframeSize 2 >> bBitResolution 16 >> bSamFreqType 1 Discrete >> tSamFreq[ 0] 22050 >> Endpoint Descriptor: >> bLength 9 >> bDescriptorType 5 >> bEndpointAddress 0x84 EP 4 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x002e 1x 46 bytes >> bInterval 1 >> bRefresh 0 >> bSynchAddress 0 >> AudioControl Endpoint Descriptor: >> bLength 7 >> bDescriptorType 37 >> bDescriptorSubtype 1 (EP_GENERAL) >> bmAttributes 0x00 >> bLockDelayUnits 0 Undefined >> wLockDelay 0 Undefined >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 2 >> bAlternateSetting 3 >> bNumEndpoints 1 >> bInterfaceClass 1 Audio >> bInterfaceSubClass 2 Streaming >> bInterfaceProtocol 0 >> iInterface 0 >> AudioStreaming Interface Descriptor: >> bLength 7 >> bDescriptorType 36 >> bDescriptorSubtype 1 (AS_GENERAL) >> bTerminalLink 3 >> bDelay 1 frames >> wFormatTag 1 PCM >> AudioStreaming Interface Descriptor: >> bLength 11 >> bDescriptorType 36 >> bDescriptorSubtype 2 (FORMAT_TYPE) >> bFormatType 1 (FORMAT_TYPE_I) >> bNrChannels 1 >> bSubframeSize 2 >> bBitResolution 16 >> bSamFreqType 1 Discrete >> tSamFreq[ 0] 11025 >> Endpoint Descriptor: >> bLength 9 >> bDescriptorType 5 >> bEndpointAddress 0x84 EP 4 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0019 1x 25 bytes >> bInterval 1 >> bRefresh 0 >> bSynchAddress 0 >> AudioControl Endpoint Descriptor: >> bLength 7 >> bDescriptorType 37 >> bDescriptorSubtype 1 (EP_GENERAL) >> bmAttributes 0x00 >> bLockDelayUnits 0 Undefined >> wLockDelay 0 Undefined >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 2 >> bAlternateSetting 4 >> bNumEndpoints 1 >> bInterfaceClass 1 Audio >> bInterfaceSubClass 2 Streaming >> bInterfaceProtocol 0 >> iInterface 0 >> AudioStreaming Interface Descriptor: >> bLength 7 >> bDescriptorType 36 >> bDescriptorSubtype 1 (AS_GENERAL) >> bTerminalLink 3 >> bDelay 1 frames >> wFormatTag 1 PCM >> AudioStreaming Interface Descriptor: >> bLength 11 >> bDescriptorType 36 >> bDescriptorSubtype 2 (FORMAT_TYPE) >> bFormatType 1 (FORMAT_TYPE_I) >> bNrChannels 1 >> bSubframeSize 2 >> bBitResolution 16 >> bSamFreqType 1 Discrete >> tSamFreq[ 0] 8000 >> Endpoint Descriptor: >> bLength 9 >> bDescriptorType 5 >> bEndpointAddress 0x84 EP 4 IN >> bmAttributes 1 >> Transfer Type Isochronous >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0010 1x 16 bytes >> bInterval 1 >> bRefresh 0 >> bSynchAddress 0 >> AudioControl Endpoint Descriptor: >> bLength 7 >> bDescriptorType 37 >> bDescriptorSubtype 1 (EP_GENERAL) >> bmAttributes 0x00 >> bLockDelayUnits 0 Undefined >> wLockDelay 0 Undefined >> Device Status: 0x0002 >> (Bus Powered) >> Remote Wakeup Enabled >> >> Bus 009 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub >> Device Descriptor: >> bLength 18 >> bDescriptorType 1 >> bcdUSB 3.00 >> bDeviceClass 9 Hub >> bDeviceSubClass 0 Unused >> bDeviceProtocol 3 >> bMaxPacketSize0 9 >> idVendor 0x1d6b Linux Foundation >> idProduct 0x0003 3.0 root hub >> bcdDevice 2.06 >> iManufacturer 3 Linux 2.6.34-rc1 xhci_hcd >> iProduct 2 xHCI Host Controller >> iSerial 1 0000:03:00.0 >> bNumConfigurations 1 >> Configuration Descriptor: >> bLength 9 >> bDescriptorType 2 >> wTotalLength 25 >> bNumInterfaces 1 >> bConfigurationValue 1 >> iConfiguration 0 >> bmAttributes 0xe0 >> Self Powered >> Remote Wakeup >> MaxPower 0mA >> Interface Descriptor: >> bLength 9 >> bDescriptorType 4 >> bInterfaceNumber 0 >> bAlternateSetting 0 >> bNumEndpoints 1 >> bInterfaceClass 9 Hub >> bInterfaceSubClass 0 Unused >> bInterfaceProtocol 0 Full speed (or root) hub >> iInterface 0 >> Endpoint Descriptor: >> bLength 7 >> bDescriptorType 5 >> bEndpointAddress 0x81 EP 1 IN >> bmAttributes 3 >> Transfer Type Interrupt >> Synch Type None >> Usage Type Data >> wMaxPacketSize 0x0004 1x 4 bytes >> bInterval 12 >> Hub Descriptor: >> bLength 9 >> bDescriptorType 41 >> nNbrPorts 4 >> wHubCharacteristic 0x0009 >> Per-port power switching >> Per-port overcurrent protection >> TT think time 8 FS bits >> bPwrOn2PwrGood 10 * 2 milli seconds >> bHubContrCurrent 0 milli Ampere >> DeviceRemovable 0x00 >> PortPwrCtrlMask 0xff >> Hub Port Status: >> Port 1: 0000.0100 power >> Port 2: 0000.0100 power >> Port 3: 0000.0103 power enable connect >> Port 4: 0000.0100 power >> Device Status: 0x0003 >> Self Powered >> Remote Wakeup Enabled -- Best regards, Sander mailto:linux@...elenboom.it View attachment "dmesg-with-patch.txt" of type "text/plain" (74005 bytes) View attachment "lsusb-with-patch.txt" of type "text/plain" (42403 bytes)
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