Hello !

Would really love to get my Cisco VT Camera II (SPCA525 asic) by Logitech
working on ubuntu. I used the latest repository - R238 and also tried to
apply various patches I found around. But besides detecting the webcam, I
can't display it in Ekiga, Camorama nor in Skype. I'm hoping somebody has
had the same issue and has been able to resolve this?

Attached you can find the "lsusb" and "modprobe" verbose output. And I'm
using 2.6.24-19-generic #1 SMP Fri Jul 11 23:41:49 UTC 2008 i686 GNU/Linux

Thanks in advance for your help!

Franky
[ 1627.327089] usb 1-10: new full speed USB device using ohci_hcd and address 11
[ 1627.686865] usb 1-10: configuration #1 chosen from 1 choice
[ 1627.689816] uvcvideo: Probing known UVC device 10 (046d:08c7)
[ 1627.689822] uvcvideo: Found format MJPEG.
[ 1627.689824] uvcvideo: - 160x120 (30.0 fps)
[ 1627.689826] uvcvideo: - 176x144 (30.0 fps)
[ 1627.689827] uvcvideo: - 320x240 (15.0 fps)
[ 1627.689828] uvcvideo: - 352x288 (30.0 fps)
[ 1627.689830] uvcvideo: - 432x240 (30.0 fps)
[ 1627.689831] uvcvideo: - 480x360 (30.0 fps)
[ 1627.689832] uvcvideo: - 512x288 (30.0 fps)
[ 1627.689834] uvcvideo: - 640x360 (30.0 fps)
[ 1627.689835] uvcvideo: - 640x480 (15.0 fps)
[ 1627.689840] uvcvideo: Found a Status endpoint (addr 87).
[ 1627.689842] uvcvideo: Found UVC 1.00 device <unnamed> (046d:08c7)
[ 1627.689847] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/2 
to device 10 entity 2
[ 1627.689851] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/3 
to device 10 entity 2
[ 1627.689854] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/7 
to device 10 entity 2
[ 1627.689857] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/8 
to device 10 entity 2
[ 1627.689860] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/9 
to device 10 entity 2
[ 1627.689863] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/1 
to device 10 entity 2
[ 1627.689866] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/4 
to device 10 entity 2
[ 1627.689869] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/5 
to device 10 entity 2
[ 1627.689872] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/2 
to device 10 entity 1
[ 1627.689875] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/3 
to device 10 entity 1
[ 1627.689878] uvcvideo: Added control 00000000-0000-0000-0000-000000000001/4 
to device 10 entity 1
[ 1627.689881] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/11 
to device 10 entity 2
[ 1627.689884] uvcvideo: Added control 00000000-0000-0000-0000-000000000101/10 
to device 10 entity 2
[ 1627.689887] uvcvideo: Scanning UVC chain: OT 5 <- XU 4 (-> XU 8 10) <- XU 3 
<- PU 2 <- IT 1
[ 1627.689893] uvcvideo: Found a valid video chain (1 -> 5).
[ 1627.871856] input: UVC Camera (046d:08c7) as 
/devices/pci0000:00/0000:00:04.0/usb1/1-10/1-10:1.0/input/input15
[ 1627.874069] uvcvideo: Trying format 0x47504a4d (MJPG): 10000x10000.
[ 1627.874072] uvcvideo: Using default frame interval 66666.6 us (15.0 fps).
[ 1627.891117] uvcvideo: UVC device initialized.
Bus 001 Device 005: ID 046d:08c7 Logitech, Inc. 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         1 
  bMaxPacketSize0        64
  idVendor           0x046d Logitech, Inc.
  idProduct          0x08c7 
  bcdDevice            0.05
  iManufacturer           0 
  iProduct                0 
  iSerial                 2 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength         1267
    bNumInterfaces          4
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              500mA
    Interface Association:
      bLength                 8
      bDescriptorType        11
      bFirstInterface         0
      bInterfaceCount         2
      bFunctionClass        255 Vendor Specific Class
      bFunctionSubClass       3 
      bFunctionProtocol       0 
      iFunction               0 
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      1 
      bInterfaceProtocol      0 
      iInterface              0 
      ** UNRECOGNIZED:  0d 24 01 00 01 6a 00 00 6c dc 02 01 01
      ** UNRECOGNIZED:  12 24 02 01 01 02 00 00 00 00 00 00 00 00 03 0e 00 00
      ** UNRECOGNIZED:  0b 24 05 02 01 00 40 02 7b 17 00
      ** UNRECOGNIZED:  1c 24 06 03 82 06 61 63 70 50 ab 49 b8 cc b3 85 5e 8d 
22 1d 00 01 02 03 ff ff 1f 00
      ** UNRECOGNIZED:  1b 24 06 04 82 06 61 63 70 50 ab 49 b8 cc b3 85 5e 8d 
22 1e 00 01 03 02 7f 01 00
      ** UNRECOGNIZED:  09 24 03 05 01 01 00 04 00
      ** UNRECOGNIZED:  20 41 01 08 82 06 61 63 70 50 ab 49 b8 cc b3 85 5e 8d 
22 51 03 01 04 03 19 00 00 00 00 00 00 00
      ** UNRECOGNIZED:  20 41 01 0a 82 06 61 63 70 50 ab 49 b8 cc b3 85 5e 8d 
22 52 01 01 04 03 00 40 00 00 00 00 00 00
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x87  EP 7 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0010  1x 16 bytes
        bInterval               8
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           0
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      2 
      bInterfaceProtocol      0 
      iInterface              0 
      ** UNRECOGNIZED:  10 24 01 03 a9 02 81 00 05 02 01 00 01 04 00 04
      ** UNRECOGNIZED:  0b 24 06 01 09 01 03 00 00 00 00
      ** UNRECOGNIZED:  32 24 07 01 00 a0 00 78 00 00 70 17 00 00 a0 8c 00 00 
96 00 00 15 16 05 00 06 15 16 05 00 80 1a 06 00 20 a1 07 00 2a 2c 0a 00 40 42 
0f 00 80 84 1e 00
      ** UNRECOGNIZED:  32 24 07 02 00 b0 00 90 00 00 f0 1e 00 00 a0 b9 00 00 
c6 00 00 15 16 05 00 06 15 16 05 00 80 1a 06 00 20 a1 07 00 2a 2c 0a 00 40 42 
0f 00 80 84 1e 00
      ** UNRECOGNIZED:  32 24 07 03 00 40 01 f0 00 00 c0 5d 00 00 80 32 02 00 
58 02 00 2a 2c 0a 00 06 15 16 05 00 80 1a 06 00 20 a1 07 00 2a 2c 0a 00 40 42 
0f 00 80 84 1e 00
      ** UNRECOGNIZED:  32 24 07 04 00 60 01 20 01 00 c0 7b 00 00 80 e6 02 00 
18 03 00 15 16 05 00 06 15 16 05 00 80 1a 06 00 20 a1 07 00 2a 2c 0a 00 40 42 
0f 00 80 84 1e 00
      ** UNRECOGNIZED:  32 24 07 05 00 b0 01 f0 00 00 90 7e 00 00 60 f7 02 00 
2a 03 00 15 16 05 00 06 15 16 05 00 80 1a 06 00 20 a1 07 00 2a 2c 0a 00 40 42 
0f 00 80 84 1e 00
      ** UNRECOGNIZED:  32 24 07 06 00 e0 01 68 01 00 f0 d2 00 00 a0 f1 04 00 
46 05 00 15 16 05 00 06 15 16 05 00 80 1a 06 00 20 a1 07 00 2a 2c 0a 00 40 42 
0f 00 80 84 1e 00
      ** UNRECOGNIZED:  32 24 07 07 00 00 02 20 01 00 00 b4 00 00 00 38 04 00 
80 04 00 15 16 05 00 06 15 16 05 00 80 1a 06 00 20 a1 07 00 2a 2c 0a 00 40 42 
0f 00 80 84 1e 00
      ** UNRECOGNIZED:  32 24 07 08 00 80 02 68 01 00 40 19 01 00 80 97 06 00 
08 07 00 15 16 05 00 06 15 16 05 00 80 1a 06 00 20 a1 07 00 2a 2c 0a 00 40 42 
0f 00 80 84 1e 00
      ** UNRECOGNIZED:  32 24 07 09 00 80 02 e0 01 00 00 77 01 00 00 ca 08 00 
60 09 00 2a 2c 0a 00 06 15 16 05 00 80 1a 06 00 20 a1 07 00 2a 2c 0a 00 40 42 
0f 00 80 84 1e 00
      ** UNRECOGNIZED:  32 24 03 00 09 a0 00 78 00 b0 00 90 00 40 01 f0 00 60 
01 20 01 b0 01 f0 00 e0 01 68 01 00 02 20 01 80 02 68 01 80 02 e0 01 08 04 08 
0c 10 14 18 1c 1f
      ** UNRECOGNIZED:  06 24 0d 01 01 04
      ** UNRECOGNIZED:  1b 24 04 02 02 59 55 59 32 00 00 10 00 80 00 00 aa 00 
38 9b 71 10 02 00 00 00 00
      ** UNRECOGNIZED:  32 24 05 01 00 80 02 68 01 00 40 19 01 00 80 97 06 00 
08 07 00 15 16 05 00 06 15 16 05 00 80 1a 06 00 20 a1 07 00 2a 2c 0a 00 40 42 
0f 00 80 84 1e 00
      ** UNRECOGNIZED:  32 24 05 02 00 80 02 e0 01 00 00 77 01 00 00 ca 08 00 
60 09 00 15 16 05 00 06 15 16 05 00 80 1a 06 00 20 a1 07 00 2a 2c 0a 00 40 42 
0f 00 80 84 1e 00
      ** UNRECOGNIZED:  0f 24 03 00 02 80 02 68 01 80 02 e0 01 01 04
      ** UNRECOGNIZED:  06 24 0d 01 01 04
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       1
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      2 
      bInterfaceProtocol      0 
      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
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       2
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      2 
      bInterfaceProtocol      0 
      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
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       3
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      2 
      bInterfaceProtocol      0 
      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
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       4
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      2 
      bInterfaceProtocol      0 
      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     0x0280  1x 640 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       5
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      2 
      bInterfaceProtocol      0 
      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     0x0320  1x 800 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       6
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      2 
      bInterfaceProtocol      0 
      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     0x03b0  1x 944 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       7
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      2 
      bInterfaceProtocol      0 
      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     0x0a80  2x 640 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       8
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      2 
      bInterfaceProtocol      0 
      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     0x0b20  2x 800 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       9
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      2 
      bInterfaceProtocol      0 
      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     0x0be0  2x 992 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting      10
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      2 
      bInterfaceProtocol      0 
      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     0x1380  3x 896 bytes
        bInterval               1
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting      11
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      2 
      bInterfaceProtocol      0 
      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     0x13fc  3x 1020 bytes
        bInterval               1
    Interface Association:
      bLength                 8
      bDescriptorType        11
      bFirstInterface         2
      bInterfaceCount         2
      bFunctionClass          1 Audio
      bFunctionSubClass       2 Streaming
      bFunctionProtocol       0 
      iFunction               0 
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        2
      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)       3
      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      3 (OUTPUT_TERMINAL)
        bTerminalID             3
        wTerminalType      0x0101 USB Streaming
        bAssocTerminal          0
        bSourceID               5
        iTerminal               0 
      AudioControl Interface Descriptor:
        bLength                 8
        bDescriptorType        36
        bDescriptorSubtype      6 (FEATURE_UNIT)
        bUnitID                 5
        bSourceID               1
        bControlSize            1
        bmaControls( 0)      0x03
          Mute
          Volume
        iFeature                0 
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        3
      bAlternateSetting       0
      bNumEndpoints           0
      bInterfaceClass         1 Audio
      bInterfaceSubClass      2 Streaming
      bInterfaceProtocol      0 
      iInterface              0 
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        3
      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]            0
      Endpoint Descriptor:
        bLength                 9
        bDescriptorType         5
        bEndpointAddress     0x86  EP 6 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0010  1x 16 bytes
        bInterval               4
        bRefresh                0
        bSynchAddress           0
        AudioControl Endpoint Descriptor:
          bLength                 7
          bDescriptorType        37
          bDescriptorSubtype      1 (EP_GENERAL)
          bmAttributes         0x01
            Sampling Frequency
          bLockDelayUnits         0 Undefined
          wLockDelay              0 Undefined
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        3
      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]            0
      Endpoint Descriptor:
        bLength                 9
        bDescriptorType         5
        bEndpointAddress     0x86  EP 6 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0020  1x 32 bytes
        bInterval               4
        bRefresh                0
        bSynchAddress           0
        AudioControl Endpoint Descriptor:
          bLength                 7
          bDescriptorType        37
          bDescriptorSubtype      1 (EP_GENERAL)
          bmAttributes         0x01
            Sampling Frequency
          bLockDelayUnits         0 Undefined
          wLockDelay              0 Undefined
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        3
      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]        16000
      Endpoint Descriptor:
        bLength                 9
        bDescriptorType         5
        bEndpointAddress     0x86  EP 6 IN
        bmAttributes            5
          Transfer Type            Isochronous
          Synch Type               Asynchronous
          Usage Type               Data
        wMaxPacketSize     0x0030  1x 48 bytes
        bInterval               4
        bRefresh                0
        bSynchAddress           0
        AudioControl Endpoint Descriptor:
          bLength                 7
          bDescriptorType        37
          bDescriptorSubtype      1 (EP_GENERAL)
          bmAttributes         0x01
            Sampling Frequency
          bLockDelayUnits         0 Undefined
          wLockDelay              0 Undefined
can't get device qualifier: Value too large for defined data type
can't get debug descriptor: Connection timed out
Device Status:     0x0000
  (Bus Powered)
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