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Message-ID: <1622196186.20100313120113@eikelenboom.it>
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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