C-Media USB2.0 High-Speed True HD Audio Hardware Report
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Bus 001 Device 005: ID 0d8c:0004 Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 239 bDeviceSubClass 2 bDeviceProtocol 1 bMaxPacketSize0 64 idVendor 0x0d8c idProduct 0x0004 bcdDevice 2.08 iManufacturer 1 C-Media Electronics Inc. iProduct 2 USB2.0 High-Speed True HD Audio iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 298 bNumInterfaces 3 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xc0 Self Powered MaxPower 100mA Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 0 bInterfaceCount 2 bFunctionClass 1 bFunctionSubClass 0 bFunctionProtocol 32 iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 1 bInterfaceSubClass 1 bInterfaceProtocol 32 iInterface 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 2.00 bCategory 10 wTotalLength 256 bmControl 0x00 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0101 bAssocTerminal 0 bCSourceID 18 bNrChannels 0 bmChannelConfig 0x00000000 bmControls 0x0040 Cluster Control (read-only) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 7 wTerminalType 0x0301 bAssocTerminal 0 bSourceID 13 bCSourceID 18 bmControls 0x0004 Connector Control (read-only) iTerminal 0 AudioControl Interface Descriptor: bLength 18 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 13 bSourceID 1 bmaControls( 0) 0x00000003 Mute Control (read/write) bmaControls( 1) 0x00000000 bmaControls( 2) 0x00000000 iFeature 0 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 18 bmAttributes 0x03 Internal programmable Clock bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x8f EP 15 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0006 1x 6 bytes bInterval 4 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 bInterfaceSubClass 2 bInterfaceProtocol 32 iInterface 4 Speaker Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 2 bInterfaceClass 1 bInterfaceSubClass 2 bInterfaceProtocol 32 iInterface 0 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 1 bmControls 0x05 Active Alternate Setting Control (read-only) Valid Alternate Setting Control (read-only) bFormatType 1 bmFormats 1 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x00c8 1x 200 bytes bInterval 1 AudioControl Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x85 EP 5 IN bmAttributes 17 Transfer Type Isochronous Synch Type None Usage Type Feedback wMaxPacketSize 0x0004 1x 4 bytes bInterval 4 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 2 bNumEndpoints 2 bInterfaceClass 1 bInterfaceSubClass 2 bInterfaceProtocol 32 iInterface 0 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 1 bmControls 0x05 Active Alternate Setting Control (read-only) Valid Alternate Setting Control (read-only) bFormatType 1 bmFormats 1 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 3 bBitResolution 24 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x012c 1x 300 bytes bInterval 1 AudioControl Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x85 EP 5 IN bmAttributes 17 Transfer Type Isochronous Synch Type None Usage Type Feedback wMaxPacketSize 0x0004 1x 4 bytes bInterval 4 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 3 bNumEndpoints 2 bInterfaceClass 1 bInterfaceSubClass 2 bInterfaceProtocol 32 iInterface 0 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 1 bmControls 0x05 Active Alternate Setting Control (read-only) Valid Alternate Setting Control (read-only) bFormatType 1 bmFormats 1 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 4 bBitResolution 32 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x05 EP 5 OUT bmAttributes 5 Transfer Type Isochronous Synch Type Asynchronous Usage Type Data wMaxPacketSize 0x0190 1x 400 bytes bInterval 1 AudioControl Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 0 Undefined wLockDelay 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x85 EP 5 IN bmAttributes 17 Transfer Type Isochronous Synch Type None Usage Type Feedback wMaxPacketSize 0x0004 1x 4 bytes bInterval 4 Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 2 bInterfaceCount 1 bFunctionClass 3 bFunctionSubClass 0 bFunctionProtocol 0 iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.00 bCountryCode 0 Unknown bNumDescriptors 1 bDescriptorType 34 (null) wDescriptorLength 50 Report Descriptor: (length is 50) Item(Global): (null), data= [ 0x0c ] 12 (null) Item(Local ): (null), data= [ 0x01 ] 1 (null) Item(Main ): (null), data= [ 0x01 ] 1 Application Item(Global): (null), data= [ 0x00 ] 0 Item(Global): (null), data= [ 0x01 ] 1 Item(Local ): (null), data= [ 0xe9 ] 233 (null) Item(Local ): (null), data= [ 0xea ] 234 (null) Item(Global): (null), data= [ 0x01 ] 1 Item(Global): (null), data= [ 0x02 ] 2 Item(Main ): (null), data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): (null), data= [ 0xe2 ] 226 (null) Item(Local ): (null), data= [ 0x00 ] 0 (null) Item(Main ): (null), data= [ 0x06 ] 6 Data Variable Relative No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): (null), data= [ 0x00 ] 0 (null) Item(Global): (null), data= [ 0x04 ] 4 Item(Main ): (null), data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): (null), data= [ 0xff 0x00 ] 255 Item(Local ): (null), data= [ 0x00 ] 0 (null) Item(Global): (null), data= [ 0x08 ] 8 Item(Global): (null), data= [ 0x0f ] 15 Item(Main ): (null), data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): (null), data= [ 0x00 ] 0 (null) Item(Global): (null), data= [ 0x10 ] 16 Item(Main ): (null), data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Main ): (null), data=none Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x84 EP 4 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0010 1x 16 bytes bInterval 4 Device Qualifier (for other device speed): bLength 10 bDescriptorType 6 bcdUSB 2.00 bDeviceClass 239 bDeviceSubClass 2 bDeviceProtocol 1 bMaxPacketSize0 64 bNumConfigurations 1 Device Status: 0x0001 Self Powered