lsusb -vv Bus 002 Device 007: ID 046d:08a2 Logitech, Inc. 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 0x08a2 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 Remote Wakeup MaxPower 160mA 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 sane-find-scanner -v -v bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 0 bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 8 idVendor 0x046D idProduct 0x08A2 bcdDevice 1.00 iManufacturer 0 () iProduct 0 () iSerialNumber 0 () bNumConfigurations 1 bLength 9 bDescriptorType 2 wTotalLength 336 bNumInterfaces 3 bConfigurationValue 1 iConfiguration 0 () bmAttributes 160 (Remote Wakeup) MaxPower 160 mA bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 255 bInterfaceSubClass 255 bInterfaceProtocol 255 iInterface 0 () bLength 7 bDescriptorType 5 bEndpointAddress 0x81 (in 0x01) bmAttributes 1 (isochronous) wMaxPacketSize 0 bInterval 1 ms bRefresh 0 bSynchAddress 0 bLength 7 bDescriptorType 5 bEndpointAddress 0x82 (in 0x02) bmAttributes 3 (interrupt) wMaxPacketSize 8 bInterval 10 ms bRefresh 0 bSynchAddress 0 bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 1 bNumEndpoints 2 bInterfaceClass 255 bInterfaceSubClass 255 bInterfaceProtocol 255 iInterface 0 () bLength 7 bDescriptorType 5 bEndpointAddress 0x81 (in 0x01) bmAttributes 1 (isochronous) wMaxPacketSize 128 bInterval 1 ms bRefresh 0 bSynchAddress 0 bLength 7 bDescriptorType 5 bEndpointAddress 0x82 (in 0x02) bmAttributes 3 (interrupt) wMaxPacketSize 8 bInterval 10 ms bRefresh 0 bSynchAddress 0 bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 2 bNumEndpoints 2 bInterfaceClass 255 bInterfaceSubClass 255 bInterfaceProtocol 255 iInterface 0 () bLength 7 bDescriptorType 5 bEndpointAddress 0x81 (in 0x01) bmAttributes 1 (isochronous) wMaxPacketSize 192 bInterval 1 ms bRefresh 0 bSynchAddress 0 bLength 7 bDescriptorType 5 bEndpointAddress 0x82 (in 0x02) bmAttributes 3 (interrupt) wMaxPacketSize 8 bInterval 10 ms bRefresh 0 bSynchAddress 0 bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 3 bNumEndpoints 2 bInterfaceClass 255 bInterfaceSubClass 255 bInterfaceProtocol 255 iInterface 0 () bLength 7 bDescriptorType 5 bEndpointAddress 0x81 (in 0x01) bmAttributes 1 (isochronous) wMaxPacketSize 256 bInterval 1 ms bRefresh 0 bSynchAddress 0 bLength 7 bDescriptorType 5 bEndpointAddress 0x82 (in 0x02) bmAttributes 3 (interrupt) wMaxPacketSize 8 bInterval 10 ms bRefresh 0 bSynchAddress 0 bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 4 bNumEndpoints 2 bInterfaceClass 255 bInterfaceSubClass 255 bInterfaceProtocol 255 iInterface 0 () bLength 7 bDescriptorType 5 bEndpointAddress 0x81 (in 0x01) bmAttributes 1 (isochronous) wMaxPacketSize 384 bInterval 1 ms bRefresh 0 bSynchAddress 0 bLength 7 bDescriptorType 5 bEndpointAddress 0x82 (in 0x02) bmAttributes 3 (interrupt) wMaxPacketSize 8 bInterval 10 ms bRefresh 0 bSynchAddress 0 bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 5 bNumEndpoints 2 bInterfaceClass 255 bInterfaceSubClass 255 bInterfaceProtocol 255 iInterface 0 () bLength 7 bDescriptorType 5 bEndpointAddress 0x81 (in 0x01) bmAttributes 1 (isochronous) wMaxPacketSize 512 bInterval 1 ms bRefresh 0 bSynchAddress 0 bLength 7 bDescriptorType 5 bEndpointAddress 0x82 (in 0x02) bmAttributes 3 (interrupt) wMaxPacketSize 8 bInterval 10 ms bRefresh 0 bSynchAddress 0 bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 6 bNumEndpoints 2 bInterfaceClass 255 bInterfaceSubClass 255 bInterfaceProtocol 255 iInterface 0 () bLength 7 bDescriptorType 5 bEndpointAddress 0x81 (in 0x01) bmAttributes 1 (isochronous) wMaxPacketSize 768 bInterval 1 ms bRefresh 0 bSynchAddress 0 bLength 7 bDescriptorType 5 bEndpointAddress 0x82 (in 0x02) bmAttributes 3 (interrupt) wMaxPacketSize 8 bInterval 10 ms bRefresh 0 bSynchAddress 0 bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 7 bNumEndpoints 2 bInterfaceClass 255 bInterfaceSubClass 255 bInterfaceProtocol 255 iInterface 0 () bLength 7 bDescriptorType 5 bEndpointAddress 0x81 (in 0x01) bmAttributes 1 (isochronous) wMaxPacketSize 1023 bInterval 1 ms bRefresh 0 bSynchAddress 0 bLength 7 bDescriptorType 5 bEndpointAddress 0x82 (in 0x02) bmAttributes 3 (interrupt) wMaxPacketSize 8 bInterval 10 ms bRefresh 0 bSynchAddress 0 bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 bInterfaceSubClass 1 bInterfaceProtocol 0 iInterface 0 () bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 bInterfaceSubClass 2 bInterfaceProtocol 0 iInterface 0 () bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 bInterfaceSubClass 2 bInterfaceProtocol 0 iInterface 0 () bLength 9 bDescriptorType 5 bEndpointAddress 0x83 (in 0x03) bmAttributes 1 (isochronous) wMaxPacketSize 16 bInterval 1 ms bRefresh 0 bSynchAddress 0 bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 bInterfaceSubClass 2 bInterfaceProtocol 0 iInterface 0 () bLength 9 bDescriptorType 5 bEndpointAddress 0x83 (in 0x03) bmAttributes 1 (isochronous) wMaxPacketSize 32 bInterval 1 ms bRefresh 0 bSynchAddress 0