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lsusbでベンダ名とプロダクト名が見れないUSB機器

見れない機器

$ sudo lsusb -v -d 2084:0d03

Bus 001 Device 005: ID 2084:0d03
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass          239 Miscellaneous Device
  bDeviceSubClass         2 ?
  bDeviceProtocol         1 Interface Association
  bMaxPacketSize0        64
  idVendor           0x2084                      ★←空文字列
  idProduct          0x0d03                      ★←空文字列
  bcdDevice            0.02
  iManufacturer           1 Etron Technology, Inc.
  iProduct                2 BUFFALO BSW32KM03 USB PC Camera
  iSerial                 0
  bNumConfigurations      1
  Configuration Descriptor:
    ・・・


見れる機器

$ sudo lsusb -v -d 0d8c:0001

Bus 001 Device 003: ID 0d8c:0001 C-Media Electronics, Inc. Audio Device
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.10
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0         8
  idVendor           0x0d8c C-Media Electronics, Inc.  ★←見れる
  idProduct          0x0001 Audio Device               ★←見れる
  bcdDevice            0.10
  iManufacturer           1 C-Media INC.
  iProduct                2 USB Audio
  iSerial                 0
  bNumConfigurations      1
  Configuration Descriptor:
    ・・・