Attachment 192135 Details for Bug 270476 – output of lsusb -v

output of lsusb -v

lsusb (text/plain), 82.10 KB, created by Martin Gerdzhev on 2009-05-22 16:51:29 UTC

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Creator: Martin Gerdzhev

Created: 2009-05-22 16:51:29 UTC

Size: 82.10 KB

patch

obsolete

>
>Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               1.10
>  bDeviceClass            9 Hub
>  bDeviceSubClass         0 Unused
>  bDeviceProtocol         0 Full speed (or root) hub
>  bMaxPacketSize0        64
>  idVendor           0x1d6b Linux Foundation
>  idProduct          0x0001 1.1 root hub
>  bcdDevice            2.06
>  iManufacturer           3 Linux 2.6.28-gentoo-r5 uhci_hcd
>  iProduct                2 UHCI Host Controller
>  iSerial                 1 0000:00:1a.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     0x0002  1x 2 bytes
>        bInterval             255
>Hub Descriptor:
>  bLength               9
>  bDescriptorType      41
>  nNbrPorts             2
>  wHubCharacteristic 0x000a
>    No power switching (usb 1.0)
>    Per-port overcurrent protection
>  bPwrOn2PwrGood        1 * 2 milli seconds
>  bHubContrCurrent      0 milli Ampere
>  DeviceRemovable    0x00
>  PortPwrCtrlMask    0xff
> Hub Port Status:
>   Port 1: 0000.0100 power
>   Port 2: 0000.0100 power
>Device Status:     0x0003
>  Self Powered
>  Remote Wakeup Enabled
>
>Bus 002 Device 008: ID 046d:08d8 Logitech, Inc. QuickCam for Notebook Deluxe
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               1.10
>  bDeviceClass            0 (Defined at Interface level)
>  bDeviceSubClass         0 
>  bDeviceProtocol         0 
>  bMaxPacketSize0         8
>  idVendor           0x046d Logitech, Inc.
>  idProduct          0x08d8 QuickCam for Notebook Deluxe
>  bcdDevice            1.00
>  iManufacturer           0 
>  iProduct                0 
>  iSerial                 0 
>  bNumConfigurations      1
>  Configuration Descriptor:
>    bLength                 9
>    bDescriptorType         2
>    wTotalLength          336
>    bNumInterfaces          3
>    bConfigurationValue     1
>    iConfiguration          0 
>    bmAttributes         0xa0
>      (Bus Powered)
>      Remote Wakeup
>    MaxPower              100mA
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       0
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0000  1x 0 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       1
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0080  1x 128 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       2
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x00c0  1x 192 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       3
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0100  1x 256 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       4
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0180  1x 384 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       5
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0200  1x 512 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       6
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0300  1x 768 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       7
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x03ff  1x 1023 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    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           39
>        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                 9
>        bDescriptorType        36
>        bDescriptorSubtype      6 (FEATURE_UNIT)
>        bUnitID                 2
>        bSourceID               1
>        bControlSize            2
>        bmaControls( 0)      0x43
>        bmaControls( 0)      0x00
>          Mute
>          Volume
>          Automatic Gain
>        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]         8000
>      Endpoint Descriptor:
>        bLength                 9
>        bDescriptorType         5
>        bEndpointAddress     0x83  EP 3 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
>    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]        16000
>      Endpoint Descriptor:
>        bLength                 9
>        bDescriptorType         5
>        bEndpointAddress     0x83  EP 3 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0020  1x 32 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:     0x0000
>  (Bus Powered)
>
>Bus 002 Device 007: ID 046d:08d8 Logitech, Inc. QuickCam for Notebook Deluxe
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               1.10
>  bDeviceClass            0 (Defined at Interface level)
>  bDeviceSubClass         0 
>  bDeviceProtocol         0 
>  bMaxPacketSize0         8
>  idVendor           0x046d Logitech, Inc.
>  idProduct          0x08d8 QuickCam for Notebook Deluxe
>  bcdDevice            1.00
>  iManufacturer           0 
>  iProduct                0 
>  iSerial                 0 
>  bNumConfigurations      1
>  Configuration Descriptor:
>    bLength                 9
>    bDescriptorType         2
>    wTotalLength          336
>    bNumInterfaces          3
>    bConfigurationValue     1
>    iConfiguration          0 
>    bmAttributes         0xa0
>      (Bus Powered)
>      Remote Wakeup
>    MaxPower              100mA
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       0
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0000  1x 0 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       1
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0080  1x 128 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       2
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x00c0  1x 192 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       3
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0100  1x 256 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       4
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0180  1x 384 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       5
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0200  1x 512 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       6
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0300  1x 768 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       7
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x03ff  1x 1023 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval              10
>    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           39
>        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                 9
>        bDescriptorType        36
>        bDescriptorSubtype      6 (FEATURE_UNIT)
>        bUnitID                 2
>        bSourceID               1
>        bControlSize            2
>        bmaControls( 0)      0x43
>        bmaControls( 0)      0x00
>          Mute
>          Volume
>          Automatic Gain
>        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]         8000
>      Endpoint Descriptor:
>        bLength                 9
>        bDescriptorType         5
>        bEndpointAddress     0x83  EP 3 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
>    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]        16000
>      Endpoint Descriptor:
>        bLength                 9
>        bDescriptorType         5
>        bEndpointAddress     0x83  EP 3 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0020  1x 32 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:     0x0000
>  (Bus Powered)
>
>Bus 002 Device 006: ID 0409:005a NEC Corp. HighSpeed Hub
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               2.00
>  bDeviceClass            9 Hub
>  bDeviceSubClass         0 Unused
>  bDeviceProtocol         1 Single TT
>  bMaxPacketSize0        64
>  idVendor           0x0409 NEC Corp.
>  idProduct          0x005a HighSpeed Hub
>  bcdDevice            1.00
>  iManufacturer           0 
>  iProduct                0 
>  iSerial                 0 
>  bNumConfigurations      1
>  Configuration Descriptor:
>    bLength                 9
>    bDescriptorType         2
>    wTotalLength           25
>    bNumInterfaces          1
>    bConfigurationValue     1
>    iConfiguration          0 
>    bmAttributes         0xe0
>      Self Powered
>      Remote Wakeup
>    MaxPower              100mA
>    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     0x0001  1x 1 bytes
>        bInterval              12
>Hub Descriptor:
>  bLength               9
>  bDescriptorType      41
>  nNbrPorts             4
>  wHubCharacteristic 0x00a0
>    Ganged power switching
>    Ganged overcurrent protection
>    TT think time 16 FS bits
>    Port indicators
>  bPwrOn2PwrGood        0 * 2 milli seconds
>  bHubContrCurrent    100 milli Ampere
>  DeviceRemovable    0x00
>  PortPwrCtrlMask    0xff
> Hub Port Status:
>   Port 1: 0000.0103 power enable connect
>   Port 2: 0000.0100 power
>   Port 3: 0000.0100 power
>   Port 4: 0000.0103 power enable connect
>Device Qualifier (for other device speed):
>  bLength                10
>  bDescriptorType         6
>  bcdUSB               2.00
>  bDeviceClass            9 Hub
>  bDeviceSubClass         0 Unused
>  bDeviceProtocol         0 Full speed (or root) hub
>  bMaxPacketSize0        64
>  bNumConfigurations      1
>Device Status:     0x0001
>  Self Powered
>
>Bus 002 Device 003: ID 174f:5a31 Syntek Sonix USB 2.0 Camera
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               2.00
>  bDeviceClass          239 Miscellaneous Device
>  bDeviceSubClass         2 ?
>  bDeviceProtocol         1 Interface Association
>  bMaxPacketSize0        64
>  idVendor           0x174f Syntek
>  idProduct          0x5a31 Sonix USB 2.0 Camera
>  bcdDevice            9.27
>  iManufacturer           2 Sonix Technology Co., Ltd.
>  iProduct                1 USB 2.0 Camera
>  iSerial                 3 SN0001
>  bNumConfigurations      1
>  Configuration Descriptor:
>    bLength                 9
>    bDescriptorType         2
>    wTotalLength          627
>    bNumInterfaces          2
>    bConfigurationValue     1
>    iConfiguration          0 
>    bmAttributes         0x80
>      (Bus Powered)
>    MaxPower              500mA
>    Interface Association:
>      bLength                 8
>      bDescriptorType        11
>      bFirstInterface         0
>      bInterfaceCount         2
>      bFunctionClass         14 Video
>      bFunctionSubClass       3 Video Interface Collection
>      bFunctionProtocol       0 
>      iFunction               1 USB 2.0 Camera
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       0
>      bNumEndpoints           1
>      bInterfaceClass        14 Video
>      bInterfaceSubClass      1 Video Control
>      bInterfaceProtocol      0 
>      iInterface              1 USB 2.0 Camera
>      VideoControl Interface Descriptor:
>        bLength                13
>        bDescriptorType        36
>        bDescriptorSubtype      1 (HEADER)
>        bcdUVC               1.00
>        wTotalLength           77
>        dwClockFrequency       15.000000MHz
>        bInCollection           1
>        baInterfaceNr( 0)       1
>      VideoControl Interface Descriptor:
>        bLength                 9
>        bDescriptorType        36
>        bDescriptorSubtype      3 (OUTPUT_TERMINAL)
>        bTerminalID             2
>        wTerminalType      0x0101 USB Streaming
>        bAssocTerminal          0
>        bSourceID               4
>        iTerminal               0 
>      VideoControl Interface Descriptor:
>        bLength                26
>        bDescriptorType        36
>        bDescriptorSubtype      6 (EXTENSION_UNIT)
>        bUnitID                 4
>        guidExtensionCode         {7033f028-1163-2e4a-ba2c-6890eb334016}
>        bNumControl             1
>        bNrPins                 1
>        baSourceID( 0)          3
>        bControlSize            1
>        bmControls( 0)       0x01
>        iExtension              0 
>      VideoControl Interface Descriptor:
>        bLength                18
>        bDescriptorType        36
>        bDescriptorSubtype      2 (INPUT_TERMINAL)
>        bTerminalID             1
>        wTerminalType      0x0201 Camera Sensor
>        bAssocTerminal          0
>        iTerminal               0 
>        wObjectiveFocalLengthMin      0
>        wObjectiveFocalLengthMax      0
>        wOcularFocalLength            0
>        bControlSize                  3
>        bmControls           0x00000000
>      VideoControl Interface Descriptor:
>        bLength                11
>        bDescriptorType        36
>        bDescriptorSubtype      5 (PROCESSING_UNIT)
>      Warning: Descriptor too short
>        bUnitID                 3
>        bSourceID               1
>        wMaxMultiplier          0
>        bControlSize            2
>        bmControls     0x0000053f
>          Brightness
>          Contrast
>          Hue
>          Saturation
>          Sharpness
>          Gamma
>          Backlight Compensation
>          Power Line Frequency
>        iProcessing             0 
>        bmVideoStandards     0x 7
>          None
>          NTSC - 525/60
>          PAL - 625/50
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x83  EP 3 IN
>        bmAttributes            3
>          Transfer Type            Interrupt
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0010  1x 16 bytes
>        bInterval               6
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        1
>      bAlternateSetting       0
>      bNumEndpoints           0
>      bInterfaceClass        14 Video
>      bInterfaceSubClass      2 Video Streaming
>      bInterfaceProtocol      0 
>      iInterface              0 
>      VideoStreaming Interface Descriptor:
>        bLength                            14
>        bDescriptorType                    36
>        bDescriptorSubtype                  1 (INPUT_HEADER)
>        bNumFormats                         1
>        wTotalLength                      407
>        bEndPointAddress                  129
>        bmInfo                              0
>        bTerminalLink                       2
>        bStillCaptureMethod                 2
>        bTriggerSupport                     1
>        bTriggerUsage                       0
>        bControlSize                        1
>        bmaControls( 0)                    27
>      VideoStreaming Interface Descriptor:
>        bLength                            27
>        bDescriptorType                    36
>        bDescriptorSubtype                  4 (FORMAT_UNCOMPRESSED)
>        bFormatIndex                        1
>        bNumFrameDescriptors                7
>        guidFormat                            {59555932-0000-1000-8000-00aa00389b71}
>        bBitsPerPixel                      16
>        bDefaultFrameIndex                  1
>        bAspectRatioX                       0
>        bAspectRatioY                       0
>        bmInterlaceFlags                 0x00
>          Interlaced stream or variable: No
>          Fields per frame: 1 fields
>          Field 1 first: No
>          Field pattern: Field 1 only
>          bCopyProtect                      0
>      VideoStreaming Interface Descriptor:
>        bLength                            50
>        bDescriptorType                    36
>        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>        bFrameIndex                         1
>        bmCapabilities                   0x00
>          Still image unsupported
>        wWidth                            640
>        wHeight                           480
>        dwMinBitRate                   614400
>        dwMaxBitRate                 18432000
>        dwMaxVideoFrameBufferSize      614400
>        dwDefaultFrameInterval         333333
>        bFrameIntervalType                  6
>        dwFrameInterval( 0)            333333
>        dwFrameInterval( 1)            500000
>        dwFrameInterval( 2)            666666
>        dwFrameInterval( 3)           1000000
>        dwFrameInterval( 4)           2000000
>        dwFrameInterval( 5)          10000000
>      VideoStreaming Interface Descriptor:
>        bLength                            50
>        bDescriptorType                    36
>        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>        bFrameIndex                         2
>        bmCapabilities                   0x00
>          Still image unsupported
>        wWidth                            352
>        wHeight                           288
>        dwMinBitRate                   202752
>        dwMaxBitRate                  6082560
>        dwMaxVideoFrameBufferSize      202752
>        dwDefaultFrameInterval         333333
>        bFrameIntervalType                  6
>        dwFrameInterval( 0)            333333
>        dwFrameInterval( 1)            500000
>        dwFrameInterval( 2)            666666
>        dwFrameInterval( 3)           1000000
>        dwFrameInterval( 4)           2000000
>        dwFrameInterval( 5)          10000000
>      VideoStreaming Interface Descriptor:
>        bLength                            50
>        bDescriptorType                    36
>        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>        bFrameIndex                         3
>        bmCapabilities                   0x00
>          Still image unsupported
>        wWidth                            320
>        wHeight                           240
>        dwMinBitRate                   153600
>        dwMaxBitRate                  4608000
>        dwMaxVideoFrameBufferSize      153600
>        dwDefaultFrameInterval         333333
>        bFrameIntervalType                  6
>        dwFrameInterval( 0)            333333
>        dwFrameInterval( 1)            500000
>        dwFrameInterval( 2)            666666
>        dwFrameInterval( 3)           1000000
>        dwFrameInterval( 4)           2000000
>        dwFrameInterval( 5)          10000000
>      VideoStreaming Interface Descriptor:
>        bLength                            50
>        bDescriptorType                    36
>        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>        bFrameIndex                         4
>        bmCapabilities                   0x00
>          Still image unsupported
>        wWidth                            176
>        wHeight                           144
>        dwMinBitRate                    50688
>        dwMaxBitRate                  1520640
>        dwMaxVideoFrameBufferSize       50688
>        dwDefaultFrameInterval         333333
>        bFrameIntervalType                  6
>        dwFrameInterval( 0)            333333
>        dwFrameInterval( 1)            500000
>        dwFrameInterval( 2)            666666
>        dwFrameInterval( 3)           1000000
>        dwFrameInterval( 4)           2000000
>        dwFrameInterval( 5)          10000000
>      VideoStreaming Interface Descriptor:
>        bLength                            50
>        bDescriptorType                    36
>        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>        bFrameIndex                         5
>        bmCapabilities                   0x00
>          Still image unsupported
>        wWidth                            160
>        wHeight                           120
>        dwMinBitRate                    38400
>        dwMaxBitRate                  1152000
>        dwMaxVideoFrameBufferSize       38400
>        dwDefaultFrameInterval         333333
>        bFrameIntervalType                  6
>        dwFrameInterval( 0)            333333
>        dwFrameInterval( 1)            500000
>        dwFrameInterval( 2)            666666
>        dwFrameInterval( 3)           1000000
>        dwFrameInterval( 4)           2000000
>        dwFrameInterval( 5)          10000000
>      VideoStreaming Interface Descriptor:
>        bLength                            38
>        bDescriptorType                    36
>        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>        bFrameIndex                         6
>        bmCapabilities                   0x00
>          Still image unsupported
>        wWidth                           1280
>        wHeight                           960
>        dwMinBitRate                  2457600
>        dwMaxBitRate                 22118400
>        dwMaxVideoFrameBufferSize     2457600
>        dwDefaultFrameInterval        1111111
>        bFrameIntervalType                  3
>        dwFrameInterval( 0)           1111111
>        dwFrameInterval( 1)           2000000
>        dwFrameInterval( 2)          10000000
>      VideoStreaming Interface Descriptor:
>        bLength                            38
>        bDescriptorType                    36
>        bDescriptorSubtype                  5 (FRAME_UNCOMPRESSED)
>        bFrameIndex                         7
>        bmCapabilities                   0x00
>          Still image unsupported
>        wWidth                           1280
>        wHeight                          1024
>        dwMinBitRate                  2621440
>        dwMaxBitRate                 23592960
>        dwMaxVideoFrameBufferSize     2621440
>        dwDefaultFrameInterval        1111111
>        bFrameIntervalType                  3
>        dwFrameInterval( 0)           1111111
>        dwFrameInterval( 1)           2000000
>        dwFrameInterval( 2)          10000000
>      VideoStreaming Interface Descriptor:
>        bLength                            34
>        bDescriptorType                    36
>        bDescriptorSubtype                  3 (STILL_IMAGE_FRAME)
>        bEndpointAddress                    0
>        bNumImageSizePatterns               7
>        wWidth( 0)                       1280
>        wHeight( 0)                      1024
>        wWidth( 1)                       1280
>        wHeight( 1)                       960
>        wWidth( 2)                        640
>        wHeight( 2)                       480
>        wWidth( 3)                        352
>        wHeight( 3)                       288
>        wWidth( 4)                        320
>        wHeight( 4)                       240
>        wWidth( 5)                        176
>        wHeight( 5)                       144
>        wWidth( 6)                        160
>        wHeight( 6)                       120
>        bNumCompressionPatterns             7
>      VideoStreaming Interface Descriptor:
>        bLength                             6
>        bDescriptorType                    36
>        bDescriptorSubtype                 13 (COLORFORMAT)
>        bColorPrimaries                     1 (BT.709,sRGB)
>        bTransferCharacteristics            1 (BT.709)
>        bMatrixCoefficients                 4 (SMPTE 170M (BT.601))
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        1
>      bAlternateSetting       1
>      bNumEndpoints           1
>      bInterfaceClass        14 Video
>      bInterfaceSubClass      2 Video Streaming
>      bInterfaceProtocol      0 
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            5
>          Transfer Type            Isochronous
>          Synch Type               Asynchronous
>          Usage Type               Data
>        wMaxPacketSize     0x0080  1x 128 bytes
>        bInterval               1
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        1
>      bAlternateSetting       2
>      bNumEndpoints           1
>      bInterfaceClass        14 Video
>      bInterfaceSubClass      2 Video Streaming
>      bInterfaceProtocol      0 
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            5
>          Transfer Type            Isochronous
>          Synch Type               Asynchronous
>          Usage Type               Data
>        wMaxPacketSize     0x0100  1x 256 bytes
>        bInterval               1
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        1
>      bAlternateSetting       3
>      bNumEndpoints           1
>      bInterfaceClass        14 Video
>      bInterfaceSubClass      2 Video Streaming
>      bInterfaceProtocol      0 
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            5
>          Transfer Type            Isochronous
>          Synch Type               Asynchronous
>          Usage Type               Data
>        wMaxPacketSize     0x0320  1x 800 bytes
>        bInterval               1
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        1
>      bAlternateSetting       4
>      bNumEndpoints           1
>      bInterfaceClass        14 Video
>      bInterfaceSubClass      2 Video Streaming
>      bInterfaceProtocol      0 
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            5
>          Transfer Type            Isochronous
>          Synch Type               Asynchronous
>          Usage Type               Data
>        wMaxPacketSize     0x0b20  2x 800 bytes
>        bInterval               1
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        1
>      bAlternateSetting       5
>      bNumEndpoints           1
>      bInterfaceClass        14 Video
>      bInterfaceSubClass      2 Video Streaming
>      bInterfaceProtocol      0 
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            5
>          Transfer Type            Isochronous
>          Synch Type               Asynchronous
>          Usage Type               Data
>        wMaxPacketSize     0x1320  3x 800 bytes
>        bInterval               1
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        1
>      bAlternateSetting       6
>      bNumEndpoints           1
>      bInterfaceClass        14 Video
>      bInterfaceSubClass      2 Video Streaming
>      bInterfaceProtocol      0 
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            5
>          Transfer Type            Isochronous
>          Synch Type               Asynchronous
>          Usage Type               Data
>        wMaxPacketSize     0x13e8  3x 1000 bytes
>        bInterval               1
>Device Qualifier (for other device speed):
>  bLength                10
>  bDescriptorType         6
>  bcdUSB               2.00
>  bDeviceClass          239 Miscellaneous Device
>  bDeviceSubClass         2 ?
>  bDeviceProtocol         1 Interface Association
>  bMaxPacketSize0        64
>  bNumConfigurations      1
>Device Status:     0x0000
>  (Bus Powered)
>
>Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               2.00
>  bDeviceClass            9 Hub
>  bDeviceSubClass         0 Unused
>  bDeviceProtocol         0 Full speed (or root) hub
>  bMaxPacketSize0        64
>  idVendor           0x1d6b Linux Foundation
>  idProduct          0x0002 2.0 root hub
>  bcdDevice            2.06
>  iManufacturer           3 Linux 2.6.28-gentoo-r5 ehci_hcd
>  iProduct                2 EHCI Host Controller
>  iSerial                 1 0000:00:1d.7
>  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             6
>  wHubCharacteristic 0x000a
>    No power switching (usb 1.0)
>    Per-port overcurrent protection
>  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: 0000.0100 power
>   Port 4: 0000.0100 power
>   Port 5: 0000.0503 highspeed power enable connect
>   Port 6: 0000.0503 highspeed power enable connect
>Device Status:     0x0003
>  Self Powered
>  Remote Wakeup Enabled
>
>Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               1.10
>  bDeviceClass            9 Hub
>  bDeviceSubClass         0 Unused
>  bDeviceProtocol         0 Full speed (or root) hub
>  bMaxPacketSize0        64
>  idVendor           0x1d6b Linux Foundation
>  idProduct          0x0001 1.1 root hub
>  bcdDevice            2.06
>  iManufacturer           3 Linux 2.6.28-gentoo-r5 uhci_hcd
>  iProduct                2 UHCI Host Controller
>  iSerial                 1 0000:00:1d.2
>  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     0x0002  1x 2 bytes
>        bInterval             255
>Hub Descriptor:
>  bLength               9
>  bDescriptorType      41
>  nNbrPorts             2
>  wHubCharacteristic 0x000a
>    No power switching (usb 1.0)
>    Per-port overcurrent protection
>  bPwrOn2PwrGood        1 * 2 milli seconds
>  bHubContrCurrent      0 milli Ampere
>  DeviceRemovable    0x00
>  PortPwrCtrlMask    0xff
> Hub Port Status:
>   Port 1: 0000.0100 power
>   Port 2: 0000.0100 power
>Device Status:     0x0003
>  Self Powered
>  Remote Wakeup Enabled
>
>Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               1.10
>  bDeviceClass            9 Hub
>  bDeviceSubClass         0 Unused
>  bDeviceProtocol         0 Full speed (or root) hub
>  bMaxPacketSize0        64
>  idVendor           0x1d6b Linux Foundation
>  idProduct          0x0001 1.1 root hub
>  bcdDevice            2.06
>  iManufacturer           3 Linux 2.6.28-gentoo-r5 uhci_hcd
>  iProduct                2 UHCI Host Controller
>  iSerial                 1 0000:00:1d.1
>  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     0x0002  1x 2 bytes
>        bInterval             255
>Hub Descriptor:
>  bLength               9
>  bDescriptorType      41
>  nNbrPorts             2
>  wHubCharacteristic 0x000a
>    No power switching (usb 1.0)
>    Per-port overcurrent protection
>  bPwrOn2PwrGood        1 * 2 milli seconds
>  bHubContrCurrent      0 milli Ampere
>  DeviceRemovable    0x00
>  PortPwrCtrlMask    0xff
> Hub Port Status:
>   Port 1: 0000.0100 power
>   Port 2: 0000.0100 power
>Device Status:     0x0003
>  Self Powered
>  Remote Wakeup Enabled
>
>Bus 006 Device 002: ID 046d:c00c Logitech, Inc. Optical Wheel Mouse
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               1.10
>  bDeviceClass            0 (Defined at Interface level)
>  bDeviceSubClass         0 
>  bDeviceProtocol         0 
>  bMaxPacketSize0         8
>  idVendor           0x046d Logitech, Inc.
>  idProduct          0xc00c Optical Wheel Mouse
>  bcdDevice            6.20
>  iManufacturer           1 Logitech
>  iProduct                2 USB Mouse
>  iSerial                 0 
>  bNumConfigurations      1
>  Configuration Descriptor:
>    bLength                 9
>    bDescriptorType         2
>    wTotalLength           34
>    bNumInterfaces          1
>    bConfigurationValue     1
>    iConfiguration          0 
>    bmAttributes         0xa0
>      (Bus Powered)
>      Remote Wakeup
>    MaxPower              100mA
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       0
>      bNumEndpoints           1
>      bInterfaceClass         3 Human Interface Device
>      bInterfaceSubClass      1 Boot Interface Subclass
>      bInterfaceProtocol      2 Mouse
>      iInterface              0 
>      ** UNRECOGNIZED:  09 21 10 01 00 01 22 44 00
>      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              10
>Device Status:     0x0000
>  (Bus Powered)
>
>Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               1.10
>  bDeviceClass            9 Hub
>  bDeviceSubClass         0 Unused
>  bDeviceProtocol         0 Full speed (or root) hub
>  bMaxPacketSize0        64
>  idVendor           0x1d6b Linux Foundation
>  idProduct          0x0001 1.1 root hub
>  bcdDevice            2.06
>  iManufacturer           3 Linux 2.6.28-gentoo-r5 uhci_hcd
>  iProduct                2 UHCI Host Controller
>  iSerial                 1 0000:00:1d.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     0x0002  1x 2 bytes
>        bInterval             255
>Hub Descriptor:
>  bLength               9
>  bDescriptorType      41
>  nNbrPorts             2
>  wHubCharacteristic 0x000a
>    No power switching (usb 1.0)
>    Per-port overcurrent protection
>  bPwrOn2PwrGood        1 * 2 milli seconds
>  bHubContrCurrent      0 milli Ampere
>  DeviceRemovable    0x00
>  PortPwrCtrlMask    0xff
> Hub Port Status:
>   Port 1: 0000.0100 power
>   Port 2: 0000.0303 lowspeed power enable connect
>Device Status:     0x0003
>  Self Powered
>  Remote Wakeup Enabled
>
>Bus 005 Device 002: ID 0b05:1751 ASUSTek Computer, Inc. 
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               2.00
>  bDeviceClass          224 Wireless
>  bDeviceSubClass         1 Radio Frequency
>  bDeviceProtocol         1 Bluetooth
>  bMaxPacketSize0        64
>  idVendor           0x0b05 ASUSTek Computer, Inc.
>  idProduct          0x1751 
>  bcdDevice            2.35
>  iManufacturer           1 Broadcom Corp
>  iProduct                2 BT-253
>  iSerial                 3 0015AFFCFB9A
>  bNumConfigurations      1
>  Configuration Descriptor:
>    bLength                 9
>    bDescriptorType         2
>    wTotalLength          216
>    bNumInterfaces          4
>    bConfigurationValue     1
>    iConfiguration          0 
>    bmAttributes         0xe0
>      Self Powered
>      Remote Wakeup
>    MaxPower                0mA
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       0
>      bNumEndpoints           3
>      bInterfaceClass       224 Wireless
>      bInterfaceSubClass      1 Radio Frequency
>      bInterfaceProtocol      1 Bluetooth
>      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     0x0010  1x 16 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x82  EP 2 IN
>        bmAttributes            2
>          Transfer Type            Bulk
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0040  1x 64 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x02  EP 2 OUT
>        bmAttributes            2
>          Transfer Type            Bulk
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0040  1x 64 bytes
>        bInterval               1
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        1
>      bAlternateSetting       0
>      bNumEndpoints           2
>      bInterfaceClass       224 Wireless
>      bInterfaceSubClass      1 Radio Frequency
>      bInterfaceProtocol      1 Bluetooth
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x83  EP 3 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0000  1x 0 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x03  EP 3 OUT
>        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        1
>      bAlternateSetting       1
>      bNumEndpoints           2
>      bInterfaceClass       224 Wireless
>      bInterfaceSubClass      1 Radio Frequency
>      bInterfaceProtocol      1 Bluetooth
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x83  EP 3 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0009  1x 9 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x03  EP 3 OUT
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0009  1x 9 bytes
>        bInterval               1
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        1
>      bAlternateSetting       2
>      bNumEndpoints           2
>      bInterfaceClass       224 Wireless
>      bInterfaceSubClass      1 Radio Frequency
>      bInterfaceProtocol      1 Bluetooth
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x83  EP 3 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0011  1x 17 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x03  EP 3 OUT
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0011  1x 17 bytes
>        bInterval               1
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        1
>      bAlternateSetting       3
>      bNumEndpoints           2
>      bInterfaceClass       224 Wireless
>      bInterfaceSubClass      1 Radio Frequency
>      bInterfaceProtocol      1 Bluetooth
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x83  EP 3 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0020  1x 32 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x03  EP 3 OUT
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0020  1x 32 bytes
>        bInterval               1
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        1
>      bAlternateSetting       4
>      bNumEndpoints           2
>      bInterfaceClass       224 Wireless
>      bInterfaceSubClass      1 Radio Frequency
>      bInterfaceProtocol      1 Bluetooth
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x83  EP 3 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0040  1x 64 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x03  EP 3 OUT
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0040  1x 64 bytes
>        bInterval               1
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        1
>      bAlternateSetting       5
>      bNumEndpoints           2
>      bInterfaceClass       224 Wireless
>      bInterfaceSubClass      1 Radio Frequency
>      bInterfaceProtocol      1 Bluetooth
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x83  EP 3 IN
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0040  1x 64 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x03  EP 3 OUT
>        bmAttributes            1
>          Transfer Type            Isochronous
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0040  1x 64 bytes
>        bInterval               1
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        2
>      bAlternateSetting       0
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x84  EP 4 IN
>        bmAttributes            2
>          Transfer Type            Bulk
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0020  1x 32 bytes
>        bInterval               1
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x04  EP 4 OUT
>        bmAttributes            2
>          Transfer Type            Bulk
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0020  1x 32 bytes
>        bInterval               1
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        3
>      bAlternateSetting       0
>      bNumEndpoints           0
>      bInterfaceClass       254 Application Specific Interface
>      bInterfaceSubClass      1 Device Firmware Update
>      bInterfaceProtocol      0 
>      iInterface              0 
>      Device Firmware Upgrade Interface Descriptor:
>        bLength                             7
>        bDescriptorType                    33
>        bmAttributes                        7
>          Will Not Detach
>          Manifestation Tolerant
>          Upload Supported
>          Download Supported
>        wDetachTimeout                   5000 milliseconds
>        wTransferSize                      64 bytes
>Device Status:     0x0001
>  Self Powered
>
>Bus 005 Device 003: ID 08ff:1600 AuthenTec, Inc. AES1600
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               1.10
>  bDeviceClass          255 Vendor Specific Class
>  bDeviceSubClass       255 Vendor Specific Subclass
>  bDeviceProtocol       255 Vendor Specific Protocol
>  bMaxPacketSize0         8
>  idVendor           0x08ff AuthenTec, Inc.
>  idProduct          0x1600 AES1600
>  bcdDevice            c.10
>  iManufacturer           0 
>  iProduct                1 Fingerprint Sensor
>  iSerial                 0 
>  bNumConfigurations      1
>  Configuration Descriptor:
>    bLength                 9
>    bDescriptorType         2
>    wTotalLength           32
>    bNumInterfaces          1
>    bConfigurationValue     1
>    iConfiguration          0 
>    bmAttributes         0xa0
>      (Bus Powered)
>      Remote Wakeup
>    MaxPower              100mA
>    Interface Descriptor:
>      bLength                 9
>      bDescriptorType         4
>      bInterfaceNumber        0
>      bAlternateSetting       0
>      bNumEndpoints           2
>      bInterfaceClass       255 Vendor Specific Class
>      bInterfaceSubClass    255 Vendor Specific Subclass
>      bInterfaceProtocol    255 Vendor Specific Protocol
>      iInterface              0 
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x81  EP 1 IN
>        bmAttributes            2
>          Transfer Type            Bulk
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0020  1x 32 bytes
>        bInterval               0
>      Endpoint Descriptor:
>        bLength                 7
>        bDescriptorType         5
>        bEndpointAddress     0x02  EP 2 OUT
>        bmAttributes            2
>          Transfer Type            Bulk
>          Synch Type               None
>          Usage Type               Data
>        wMaxPacketSize     0x0008  1x 8 bytes
>        bInterval               0
>Device Status:     0x0000
>  (Bus Powered)
>
>Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               1.10
>  bDeviceClass            9 Hub
>  bDeviceSubClass         0 Unused
>  bDeviceProtocol         0 Full speed (or root) hub
>  bMaxPacketSize0        64
>  idVendor           0x1d6b Linux Foundation
>  idProduct          0x0001 1.1 root hub
>  bcdDevice            2.06
>  iManufacturer           3 Linux 2.6.28-gentoo-r5 uhci_hcd
>  iProduct                2 UHCI Host Controller
>  iSerial                 1 0000:00:1a.2
>  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     0x0002  1x 2 bytes
>        bInterval             255
>Hub Descriptor:
>  bLength               9
>  bDescriptorType      41
>  nNbrPorts             2
>  wHubCharacteristic 0x000a
>    No power switching (usb 1.0)
>    Per-port overcurrent protection
>  bPwrOn2PwrGood        1 * 2 milli seconds
>  bHubContrCurrent      0 milli Ampere
>  DeviceRemovable    0x00
>  PortPwrCtrlMask    0xff
> Hub Port Status:
>   Port 1: 0000.0103 power enable connect
>   Port 2: 0000.0103 power enable connect
>Device Status:     0x0003
>  Self Powered
>  Remote Wakeup Enabled
>
>Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               2.00
>  bDeviceClass            9 Hub
>  bDeviceSubClass         0 Unused
>  bDeviceProtocol         0 Full speed (or root) hub
>  bMaxPacketSize0        64
>  idVendor           0x1d6b Linux Foundation
>  idProduct          0x0002 2.0 root hub
>  bcdDevice            2.06
>  iManufacturer           3 Linux 2.6.28-gentoo-r5 ehci_hcd
>  iProduct                2 EHCI Host Controller
>  iSerial                 1 0000:00:1a.7
>  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             6
>  wHubCharacteristic 0x000a
>    No power switching (usb 1.0)
>    Per-port overcurrent protection
>  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: 0000.0100 power
>   Port 4: 0000.0100 power
>   Port 5: 0000.0100 power
>   Port 6: 0000.0100 power
>Device Status:     0x0003
>  Self Powered
>  Remote Wakeup Enabled
>
>Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>Device Descriptor:
>  bLength                18
>  bDescriptorType         1
>  bcdUSB               1.10
>  bDeviceClass            9 Hub
>  bDeviceSubClass         0 Unused
>  bDeviceProtocol         0 Full speed (or root) hub
>  bMaxPacketSize0        64
>  idVendor           0x1d6b Linux Foundation
>  idProduct          0x0001 1.1 root hub
>  bcdDevice            2.06
>  iManufacturer           3 Linux 2.6.28-gentoo-r5 uhci_hcd
>  iProduct                2 UHCI Host Controller
>  iSerial                 1 0000:00:1a.1
>  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     0x0002  1x 2 bytes
>        bInterval             255
>Hub Descriptor:
>  bLength               9
>  bDescriptorType      41
>  nNbrPorts             2
>  wHubCharacteristic 0x000a
>    No power switching (usb 1.0)
>    Per-port overcurrent protection
>  bPwrOn2PwrGood        1 * 2 milli seconds
>  bHubContrCurrent      0 milli Ampere
>  DeviceRemovable    0x00
>  PortPwrCtrlMask    0xff
> Hub Port Status:
>   Port 1: 0000.0100 power
>   Port 2: 0000.0100 power
>Device Status:     0x0003
>  Self Powered
>  Remote Wakeup Enabled

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Attachments on bug 270476: 191825 | 192135 | 211954 | 212378