Bus 002 Device 003: ID 05ac:921e Apple Computer, Inc.
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               1.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0         8
  idVendor           0x05ac Apple Computer, Inc.
  idProduct          0x921e
  bcdDevice            1.42
  iManufacturer           0
  iProduct                1 Apple Cinema HD Display
  iSerial                 0
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           34
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xe0
      Self Powered
      Remote Wakeup
    MaxPower                2mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         3 Human Interface Devices
      bInterfaceSubClass      0 No Subclass
      bInterfaceProtocol      0 None
      iInterface              0
        HID Device Descriptor:
          bLength                 9
          bDescriptorType        33
          bcdHID               1.11
          bCountryCode            0 Not supported
          bNumDescriptors         1
          bDescriptorType        34 Report
          wDescriptorLength      55
          Report Descriptor: (length is 55)
            Item(Global): Usage Page, data= [ 0x80 ] 128
                            USB Monitor
            Item(Local ): Usage, data= [ 0x01 ] 1
                            Monitor Control
            Item(Main  ): Collection, data= [ 0x01 ] 1
                            Application
            Item(Global): Logical Minimum, data= [ 0x00 ] 0
            Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
            Item(Global): Report Size, data= [ 0x08 ] 8
            Item(Global): Report ID, data= [ 0x02 ] 2
            Item(Global): Report Count, data= [ 0x01 0x01 ] 257
            Item(Local ): Usage, data= [ 0x02 ] 2
                            EDID Information
            Item(Main  ): Feature, data= [ 0x02 0x01 ] 258
                            Data Variable Absolute No_Wrap Linear
                            Preferred_State No_Null_Position Non_Volatile Buffered Bytes
            Item(Global): Usage Page, data= [ 0x82 ] 130
                            Monitor VESA Virtual Controls
            Item(Global): Report Count, data= [ 0x02 ] 2
            Item(Global): Report ID, data= [ 0x10 ] 16
            Item(Local ): Usage, data= [ 0x10 ] 16
                            Brightness
            Item(Main  ): Feature, data= [ 0x02 ] 2
                            Data Variable Absolute No_Wrap Linear
                            Preferred_State No_Null_Position Non_Volatile Bitfield
            Item(Global): Logical Maximum, data= [ 0x04 ] 4
            Item(Global): Report ID, data= [ 0xd6 ] 214
            Item(Local ): Usage, data= [ 0xd6 ] 214
                            (null)
            Item(Main  ): Feature, data= [ 0x02 ] 2
                            Data Variable Absolute No_Wrap Linear
                            Preferred_State No_Null_Position Non_Volatile Bitfield
            Item(Global): Logical Maximum, data= [ 0x07 ] 7
            Item(Global): Report ID, data= [ 0xe7 ] 231
            Item(Main  ): Feature, data= [ 0x02 ] 2
                            Data Variable Absolute No_Wrap Linear
                            Preferred_State No_Null_Position Non_Volatile Bitfield
            Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255
            Item(Global): Report ID, data= [ 0xe4 ] 228
            Item(Main  ): Input, data= [ 0x02 ] 2
                            Data Variable Absolute No_Wrap Linear
                            Preferred_State No_Null_Position Non_Volatile Bitfield
            Item(Main  ): End Collection, data=none
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0008  1x 8 bytes
        bInterval              16
Device Status:     0x0001
  Self Powered
