Behringer WING usb audio - cyclic xruns dependent on periods/buffers
Takashi Iwai
tiwai at suse.de
Wed Dec 9 13:29:51 CET 2020
On Wed, 09 Dec 2020 13:16:23 +0100,
Ben Bell wrote:
>
> [...]
> > > and learning abobut it led me to conclude that the Wing needs an entry in
> > > the quirks list in set_sync_ep_implicit_fb_quirk to properly enable it:
> > >
> > > --- sound/usb/pcm.c.orig 2020-11-22 23:36:08.000000000 +0000
> > > +++ sound/usb/pcm.c 2020-12-05 08:40:21.639600074 +0000
> > > @@ -340,6 +345,7 @@
> > > ep = 0x81;
> > > ifnum = 3;
> > > goto add_sync_ep_from_ifnum;
> > > + case USB_ID(0x1397, 0x050b): /* Behringer Wing */
> > > case USB_ID(0x0763, 0x2080): /* M-Audio FastTrack Ultra */
> > > case USB_ID(0x0763, 0x2081):
> > >
> > > A week's worth of debugging and learning yielded a one line patch ;)
> >
> > That's a interesting piece of information :)
> >
> > Could you give lsusb -v output of the device? With the latest patch
> > set, the driver can set up the implicit feedback mode automatically in
> > certain cases. I'm not sure whether Behringer device follows that
> > pattern. If not, we'd need to add the quirk manually.
>
> I did wonder whether it was possible to automate this, as all I did
> was looked out the endpoint with the Implicit Feedback flag set.
> Fingers crossed it'll work.
>
> Output attached.
Thanks. Through a quick glance, this would work as is without
patching. The implicit fb source EP is found in the next interface
with the same altset as the playback sink EP.
Let's cross fingers :)
Takashi
>
> bjb
>
>
>
> Bus 009 Device 005: ID 1397:050b BEHRINGER International GmbH
> Device Descriptor:
> bLength 18
> bDescriptorType 1
> bcdUSB 2.00
> bDeviceClass 239 Miscellaneous Device
> bDeviceSubClass 2
> bDeviceProtocol 1 Interface Association
> bMaxPacketSize0 64
> idVendor 0x1397 BEHRINGER International GmbH
> idProduct 0x050b
> bcdDevice 1.02
> iManufacturer 1 BEHRINGER
> iProduct 3 WING
> iSerial 2 WING-PP-09110504
> bNumConfigurations 2
> Configuration Descriptor:
> bLength 9
> bDescriptorType 2
> wTotalLength 0x0323
> bNumInterfaces 5
> bConfigurationValue 1
> iConfiguration 0
> bmAttributes 0xc0
> Self Powered
> MaxPower 0mA
> Interface Association:
> bLength 8
> bDescriptorType 11
> bFirstInterface 0
> bInterfaceCount 3
> bFunctionClass 1 Audio
> bFunctionSubClass 0
> bFunctionProtocol 32
> iFunction 0
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 0
> bNumEndpoints 0
> bInterfaceClass 1 Audio
> bInterfaceSubClass 1 Control Device
> bInterfaceProtocol 32
> iInterface 3 WING
> AudioControl Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 1 (HEADER)
> bcdADC 2.00
> bCategory 8
> wTotalLength 0x01df
> bmControls 0x00
> AudioControl Interface Descriptor:
> bLength 8
> bDescriptorType 36
> bDescriptorSubtype 10 (CLOCK_SOURCE)
> bClockID 41
> bmAttributes 1 Internal fixed clock
> bmControls 0x07
> Clock Frequency Control (read/write)
> Clock Validity Control (read-only)
> bAssocTerminal 0
> iClockSource 9 WING Internal Clock
> AudioControl Interface Descriptor:
> bLength 17
> bDescriptorType 36
> bDescriptorSubtype 2 (INPUT_TERMINAL)
> bTerminalID 2
> wTerminalType 0x0101 USB Streaming
> bAssocTerminal 0
> bCSourceID 41
> bNrChannels 48
> bmChannelConfig 0x00000000
> iChannelNames 18 Out 1
> bmControls 0x0000
> iTerminal 6 WING Output
> AudioControl Interface Descriptor:
> bLength 202
> bDescriptorType 36
> bDescriptorSubtype 6 (FEATURE_UNIT)
> bUnitID 10
> bSourceID 2
> bmaControls(0) 0x00000000
> bmaControls(1) 0x00000000
> bmaControls(2) 0x00000000
> bmaControls(3) 0x00000000
> bmaControls(4) 0x00000000
> bmaControls(5) 0x00000000
> bmaControls(6) 0x00000000
> bmaControls(7) 0x00000000
> bmaControls(8) 0x00000000
> bmaControls(9) 0x00000000
> bmaControls(10) 0x00000000
> bmaControls(11) 0x00000000
> bmaControls(12) 0x00000000
> bmaControls(13) 0x00000000
> bmaControls(14) 0x00000000
> bmaControls(15) 0x00000000
> bmaControls(16) 0x00000000
> bmaControls(17) 0x00000000
> bmaControls(18) 0x00000000
> bmaControls(19) 0x00000000
> bmaControls(20) 0x00000000
> bmaControls(21) 0x00000000
> bmaControls(22) 0x00000000
> bmaControls(23) 0x00000000
> bmaControls(24) 0x00000000
> bmaControls(25) 0x00000000
> bmaControls(26) 0x00000000
> bmaControls(27) 0x00000000
> bmaControls(28) 0x00000000
> bmaControls(29) 0x00000000
> bmaControls(30) 0x00000000
> bmaControls(31) 0x00000000
> bmaControls(32) 0x00000000
> bmaControls(33) 0x00000000
> bmaControls(34) 0x00000000
> bmaControls(35) 0x00000000
> bmaControls(36) 0x00000000
> bmaControls(37) 0x00000000
> bmaControls(38) 0x00000000
> bmaControls(39) 0x00000000
> bmaControls(40) 0x00000000
> bmaControls(41) 0x00000000
> bmaControls(42) 0x00000000
> bmaControls(43) 0x00000000
> bmaControls(44) 0x00000000
> bmaControls(45) 0x00000000
> bmaControls(46) 0x00000000
> bmaControls(47) 0x00000000
> bmaControls(48) 0x00000000
> iFeature 0
> AudioControl Interface Descriptor:
> bLength 12
> bDescriptorType 36
> bDescriptorSubtype 3 (OUTPUT_TERMINAL)
> bTerminalID 20
> wTerminalType 0x0301 Speaker
> bAssocTerminal 0
> bSourceID 10
> bCSourceID 41
> bmControls 0x0000
> iTerminal 0
> AudioControl Interface Descriptor:
> bLength 17
> bDescriptorType 36
> bDescriptorSubtype 2 (INPUT_TERMINAL)
> bTerminalID 1
> wTerminalType 0x0201 Microphone
> bAssocTerminal 0
> bCSourceID 41
> bNrChannels 48
> bmChannelConfig 0x00000000
> iChannelNames 66 In 1
> bmControls 0x0000
> iTerminal 0
> AudioControl Interface Descriptor:
> bLength 202
> bDescriptorType 36
> bDescriptorSubtype 6 (FEATURE_UNIT)
> bUnitID 11
> bSourceID 1
> bmaControls(0) 0x00000000
> bmaControls(1) 0x00000000
> bmaControls(2) 0x00000000
> bmaControls(3) 0x00000000
> bmaControls(4) 0x00000000
> bmaControls(5) 0x00000000
> bmaControls(6) 0x00000000
> bmaControls(7) 0x00000000
> bmaControls(8) 0x00000000
> bmaControls(9) 0x00000000
> bmaControls(10) 0x00000000
> bmaControls(11) 0x00000000
> bmaControls(12) 0x00000000
> bmaControls(13) 0x00000000
> bmaControls(14) 0x00000000
> bmaControls(15) 0x00000000
> bmaControls(16) 0x00000000
> bmaControls(17) 0x00000000
> bmaControls(18) 0x00000000
> bmaControls(19) 0x00000000
> bmaControls(20) 0x00000000
> bmaControls(21) 0x00000000
> bmaControls(22) 0x00000000
> bmaControls(23) 0x00000000
> bmaControls(24) 0x00000000
> bmaControls(25) 0x00000000
> bmaControls(26) 0x00000000
> bmaControls(27) 0x00000000
> bmaControls(28) 0x00000000
> bmaControls(29) 0x00000000
> bmaControls(30) 0x00000000
> bmaControls(31) 0x00000000
> bmaControls(32) 0x00000000
> bmaControls(33) 0x00000000
> bmaControls(34) 0x00000000
> bmaControls(35) 0x00000000
> bmaControls(36) 0x00000000
> bmaControls(37) 0x00000000
> bmaControls(38) 0x00000000
> bmaControls(39) 0x00000000
> bmaControls(40) 0x00000000
> bmaControls(41) 0x00000000
> bmaControls(42) 0x00000000
> bmaControls(43) 0x00000000
> bmaControls(44) 0x00000000
> bmaControls(45) 0x00000000
> bmaControls(46) 0x00000000
> bmaControls(47) 0x00000000
> bmaControls(48) 0x00000000
> iFeature 0
> AudioControl Interface Descriptor:
> bLength 12
> bDescriptorType 36
> bDescriptorSubtype 3 (OUTPUT_TERMINAL)
> bTerminalID 22
> wTerminalType 0x0101 USB Streaming
> bAssocTerminal 0
> bSourceID 11
> bCSourceID 41
> bmControls 0x0000
> iTerminal 7 WING Input
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 0
> bNumEndpoints 0
> bInterfaceClass 1 Audio
> bInterfaceSubClass 2 Streaming
> bInterfaceProtocol 32
> iInterface 4 WING Output Terminal
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 1
> bNumEndpoints 1
> bInterfaceClass 1 Audio
> bInterfaceSubClass 2 Streaming
> bInterfaceProtocol 32
> iInterface 4 WING Output Terminal
> AudioStreaming Interface Descriptor:
> bLength 16
> bDescriptorType 36
> bDescriptorSubtype 1 (AS_GENERAL)
> bTerminalLink 2
> bmControls 0x00
> bFormatType 1
> bmFormats 0x00000001
> PCM
> bNrChannels 48
> bmChannelConfig 0x00000000
> iChannelNames 18 Out 1
> 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 0x01 EP 1 OUT
> bmAttributes 5
> Transfer Type Isochronous
> Synch Type Asynchronous
> Usage Type Data
> wMaxPacketSize 0x03f0 1x 1008 bytes
> bInterval 1
> AudioStreaming Endpoint Descriptor:
> bLength 8
> bDescriptorType 37
> bDescriptorSubtype 1 (EP_GENERAL)
> bmAttributes 0x00
> bmControls 0x00
> bLockDelayUnits 2 Decoded PCM samples
> wLockDelay 0x0008
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 2
> bAlternateSetting 0
> bNumEndpoints 0
> bInterfaceClass 1 Audio
> bInterfaceSubClass 2 Streaming
> bInterfaceProtocol 32
> iInterface 5 WING Input Terminal
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 2
> bAlternateSetting 1
> bNumEndpoints 1
> bInterfaceClass 1 Audio
> bInterfaceSubClass 2 Streaming
> bInterfaceProtocol 32
> iInterface 5 WING Input Terminal
> AudioStreaming Interface Descriptor:
> bLength 16
> bDescriptorType 36
> bDescriptorSubtype 1 (AS_GENERAL)
> bTerminalLink 22
> bmControls 0x00
> bFormatType 1
> bmFormats 0x00000001
> PCM
> bNrChannels 48
> bmChannelConfig 0x00000000
> iChannelNames 66 In 1
> 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 0x81 EP 1 IN
> bmAttributes 37
> Transfer Type Isochronous
> Synch Type Asynchronous
> Usage Type Implicit feedback Data
> wMaxPacketSize 0x03f0 1x 1008 bytes
> bInterval 1
> AudioStreaming Endpoint Descriptor:
> bLength 8
> bDescriptorType 37
> bDescriptorSubtype 1 (EP_GENERAL)
> bmAttributes 0x00
> bmControls 0x00
> bLockDelayUnits 2 Decoded PCM samples
> wLockDelay 0x0008
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 3
> 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 0x0009
> bInCollection 1
> baInterfaceNr(0) 1
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 4
> bAlternateSetting 0
> bNumEndpoints 2
> bInterfaceClass 1 Audio
> bInterfaceSubClass 3 MIDI Streaming
> bInterfaceProtocol 0
> iInterface 0
> MIDIStreaming Interface Descriptor:
> bLength 7
> bDescriptorType 36
> bDescriptorSubtype 1 (HEADER)
> bcdADC 1.00
> wTotalLength 0x00a1
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 1 Embedded
> bJackID 1
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 2 External
> bJackID 25
> iJack 11 WING MIDI DAW 1
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 1 Embedded
> bJackID 2
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 2 External
> bJackID 26
> iJack 13 WING MIDI DAW 2
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 1 Embedded
> bJackID 3
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 2 External
> bJackID 27
> iJack 15 WING MIDI DAW 3
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 1 Embedded
> bJackID 4
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 2 External
> bJackID 28
> iJack 17 WING MIDI Control
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 1 Embedded
> bJackID 9
> bNrInputPins 1
> baSourceID( 0) 25
> BaSourcePin( 0) 1
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 2 External
> bJackID 17
> bNrInputPins 1
> baSourceID( 0) 1
> BaSourcePin( 0) 1
> iJack 10 WING MIDI DAW 1
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 1 Embedded
> bJackID 10
> bNrInputPins 1
> baSourceID( 0) 26
> BaSourcePin( 0) 1
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 2 External
> bJackID 18
> bNrInputPins 1
> baSourceID( 0) 2
> BaSourcePin( 0) 1
> iJack 12 WING MIDI DAW 2
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 1 Embedded
> bJackID 11
> bNrInputPins 1
> baSourceID( 0) 27
> BaSourcePin( 0) 1
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 2 External
> bJackID 19
> bNrInputPins 1
> baSourceID( 0) 3
> BaSourcePin( 0) 1
> iJack 14 WING MIDI DAW 3
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 1 Embedded
> bJackID 12
> bNrInputPins 1
> baSourceID( 0) 28
> BaSourcePin( 0) 1
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 2 External
> bJackID 20
> bNrInputPins 1
> baSourceID( 0) 4
> BaSourcePin( 0) 1
> iJack 16 WING MIDI Control
> Endpoint Descriptor:
> bLength 9
> bDescriptorType 5
> bEndpointAddress 0x02 EP 2 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> bRefresh 0
> bSynchAddress 0
> MIDIStreaming Endpoint Descriptor:
> bLength 8
> bDescriptorType 37
> bDescriptorSubtype 1 (GENERAL)
> bNumEmbMIDIJack 4
> baAssocJackID( 0) 1
> baAssocJackID( 1) 2
> baAssocJackID( 2) 3
> baAssocJackID( 3) 4
> Endpoint Descriptor:
> bLength 9
> bDescriptorType 5
> bEndpointAddress 0x82 EP 2 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> bRefresh 0
> bSynchAddress 0
> MIDIStreaming Endpoint Descriptor:
> bLength 8
> bDescriptorType 37
> bDescriptorSubtype 1 (GENERAL)
> bNumEmbMIDIJack 4
> baAssocJackID( 0) 9
> baAssocJackID( 1) 10
> baAssocJackID( 2) 11
> baAssocJackID( 3) 12
> Configuration Descriptor:
> bLength 9
> bDescriptorType 2
> wTotalLength 0x0323
> bNumInterfaces 5
> bConfigurationValue 1
> iConfiguration 0
> bmAttributes 0xc0
> Self Powered
> MaxPower 0mA
> Interface Association:
> bLength 8
> bDescriptorType 11
> bFirstInterface 0
> bInterfaceCount 3
> bFunctionClass 1 Audio
> bFunctionSubClass 0
> bFunctionProtocol 32
> iFunction 0
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 0
> bNumEndpoints 0
> bInterfaceClass 1 Audio
> bInterfaceSubClass 1 Control Device
> bInterfaceProtocol 32
> iInterface 3 WING
> AudioControl Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 1 (HEADER)
> bcdADC 2.00
> bCategory 8
> wTotalLength 0x01df
> bmControls 0x00
> AudioControl Interface Descriptor:
> bLength 8
> bDescriptorType 36
> bDescriptorSubtype 10 (CLOCK_SOURCE)
> bClockID 41
> bmAttributes 1 Internal fixed clock
> bmControls 0x07
> Clock Frequency Control (read/write)
> Clock Validity Control (read-only)
> bAssocTerminal 0
> iClockSource 9 WING Internal Clock
> AudioControl Interface Descriptor:
> bLength 17
> bDescriptorType 36
> bDescriptorSubtype 2 (INPUT_TERMINAL)
> bTerminalID 2
> wTerminalType 0x0101 USB Streaming
> bAssocTerminal 0
> bCSourceID 41
> bNrChannels 48
> bmChannelConfig 0x00000000
> iChannelNames 18 Out 1
> bmControls 0x0000
> iTerminal 6 WING Output
> AudioControl Interface Descriptor:
> bLength 202
> bDescriptorType 36
> bDescriptorSubtype 6 (FEATURE_UNIT)
> bUnitID 10
> bSourceID 2
> bmaControls(0) 0x00000000
> bmaControls(1) 0x00000000
> bmaControls(2) 0x00000000
> bmaControls(3) 0x00000000
> bmaControls(4) 0x00000000
> bmaControls(5) 0x00000000
> bmaControls(6) 0x00000000
> bmaControls(7) 0x00000000
> bmaControls(8) 0x00000000
> bmaControls(9) 0x00000000
> bmaControls(10) 0x00000000
> bmaControls(11) 0x00000000
> bmaControls(12) 0x00000000
> bmaControls(13) 0x00000000
> bmaControls(14) 0x00000000
> bmaControls(15) 0x00000000
> bmaControls(16) 0x00000000
> bmaControls(17) 0x00000000
> bmaControls(18) 0x00000000
> bmaControls(19) 0x00000000
> bmaControls(20) 0x00000000
> bmaControls(21) 0x00000000
> bmaControls(22) 0x00000000
> bmaControls(23) 0x00000000
> bmaControls(24) 0x00000000
> bmaControls(25) 0x00000000
> bmaControls(26) 0x00000000
> bmaControls(27) 0x00000000
> bmaControls(28) 0x00000000
> bmaControls(29) 0x00000000
> bmaControls(30) 0x00000000
> bmaControls(31) 0x00000000
> bmaControls(32) 0x00000000
> bmaControls(33) 0x00000000
> bmaControls(34) 0x00000000
> bmaControls(35) 0x00000000
> bmaControls(36) 0x00000000
> bmaControls(37) 0x00000000
> bmaControls(38) 0x00000000
> bmaControls(39) 0x00000000
> bmaControls(40) 0x00000000
> bmaControls(41) 0x00000000
> bmaControls(42) 0x00000000
> bmaControls(43) 0x00000000
> bmaControls(44) 0x00000000
> bmaControls(45) 0x00000000
> bmaControls(46) 0x00000000
> bmaControls(47) 0x00000000
> bmaControls(48) 0x00000000
> iFeature 0
> AudioControl Interface Descriptor:
> bLength 12
> bDescriptorType 36
> bDescriptorSubtype 3 (OUTPUT_TERMINAL)
> bTerminalID 20
> wTerminalType 0x0301 Speaker
> bAssocTerminal 0
> bSourceID 10
> bCSourceID 41
> bmControls 0x0000
> iTerminal 0
> AudioControl Interface Descriptor:
> bLength 17
> bDescriptorType 36
> bDescriptorSubtype 2 (INPUT_TERMINAL)
> bTerminalID 1
> wTerminalType 0x0201 Microphone
> bAssocTerminal 0
> bCSourceID 41
> bNrChannels 48
> bmChannelConfig 0x00000000
> iChannelNames 66 In 1
> bmControls 0x0000
> iTerminal 0
> AudioControl Interface Descriptor:
> bLength 202
> bDescriptorType 36
> bDescriptorSubtype 6 (FEATURE_UNIT)
> bUnitID 11
> bSourceID 1
> bmaControls(0) 0x00000000
> bmaControls(1) 0x00000000
> bmaControls(2) 0x00000000
> bmaControls(3) 0x00000000
> bmaControls(4) 0x00000000
> bmaControls(5) 0x00000000
> bmaControls(6) 0x00000000
> bmaControls(7) 0x00000000
> bmaControls(8) 0x00000000
> bmaControls(9) 0x00000000
> bmaControls(10) 0x00000000
> bmaControls(11) 0x00000000
> bmaControls(12) 0x00000000
> bmaControls(13) 0x00000000
> bmaControls(14) 0x00000000
> bmaControls(15) 0x00000000
> bmaControls(16) 0x00000000
> bmaControls(17) 0x00000000
> bmaControls(18) 0x00000000
> bmaControls(19) 0x00000000
> bmaControls(20) 0x00000000
> bmaControls(21) 0x00000000
> bmaControls(22) 0x00000000
> bmaControls(23) 0x00000000
> bmaControls(24) 0x00000000
> bmaControls(25) 0x00000000
> bmaControls(26) 0x00000000
> bmaControls(27) 0x00000000
> bmaControls(28) 0x00000000
> bmaControls(29) 0x00000000
> bmaControls(30) 0x00000000
> bmaControls(31) 0x00000000
> bmaControls(32) 0x00000000
> bmaControls(33) 0x00000000
> bmaControls(34) 0x00000000
> bmaControls(35) 0x00000000
> bmaControls(36) 0x00000000
> bmaControls(37) 0x00000000
> bmaControls(38) 0x00000000
> bmaControls(39) 0x00000000
> bmaControls(40) 0x00000000
> bmaControls(41) 0x00000000
> bmaControls(42) 0x00000000
> bmaControls(43) 0x00000000
> bmaControls(44) 0x00000000
> bmaControls(45) 0x00000000
> bmaControls(46) 0x00000000
> bmaControls(47) 0x00000000
> bmaControls(48) 0x00000000
> iFeature 0
> AudioControl Interface Descriptor:
> bLength 12
> bDescriptorType 36
> bDescriptorSubtype 3 (OUTPUT_TERMINAL)
> bTerminalID 22
> wTerminalType 0x0101 USB Streaming
> bAssocTerminal 0
> bSourceID 11
> bCSourceID 41
> bmControls 0x0000
> iTerminal 7 WING Input
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 0
> bNumEndpoints 0
> bInterfaceClass 1 Audio
> bInterfaceSubClass 2 Streaming
> bInterfaceProtocol 32
> iInterface 4 WING Output Terminal
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 1
> bNumEndpoints 1
> bInterfaceClass 1 Audio
> bInterfaceSubClass 2 Streaming
> bInterfaceProtocol 32
> iInterface 4 WING Output Terminal
> AudioStreaming Interface Descriptor:
> bLength 16
> bDescriptorType 36
> bDescriptorSubtype 1 (AS_GENERAL)
> bTerminalLink 2
> bmControls 0x00
> bFormatType 1
> bmFormats 0x00000001
> PCM
> bNrChannels 48
> bmChannelConfig 0x00000000
> iChannelNames 18 Out 1
> 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 0x01 EP 1 OUT
> bmAttributes 5
> Transfer Type Isochronous
> Synch Type Asynchronous
> Usage Type Data
> wMaxPacketSize 0x03f0 1x 1008 bytes
> bInterval 1
> AudioStreaming Endpoint Descriptor:
> bLength 8
> bDescriptorType 37
> bDescriptorSubtype 1 (EP_GENERAL)
> bmAttributes 0x00
> bmControls 0x00
> bLockDelayUnits 2 Decoded PCM samples
> wLockDelay 0x0008
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 2
> bAlternateSetting 0
> bNumEndpoints 0
> bInterfaceClass 1 Audio
> bInterfaceSubClass 2 Streaming
> bInterfaceProtocol 32
> iInterface 5 WING Input Terminal
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 2
> bAlternateSetting 1
> bNumEndpoints 1
> bInterfaceClass 1 Audio
> bInterfaceSubClass 2 Streaming
> bInterfaceProtocol 32
> iInterface 5 WING Input Terminal
> AudioStreaming Interface Descriptor:
> bLength 16
> bDescriptorType 36
> bDescriptorSubtype 1 (AS_GENERAL)
> bTerminalLink 22
> bmControls 0x00
> bFormatType 1
> bmFormats 0x00000001
> PCM
> bNrChannels 48
> bmChannelConfig 0x00000000
> iChannelNames 66 In 1
> 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 0x81 EP 1 IN
> bmAttributes 37
> Transfer Type Isochronous
> Synch Type Asynchronous
> Usage Type Implicit feedback Data
> wMaxPacketSize 0x03f0 1x 1008 bytes
> bInterval 1
> AudioStreaming Endpoint Descriptor:
> bLength 8
> bDescriptorType 37
> bDescriptorSubtype 1 (EP_GENERAL)
> bmAttributes 0x00
> bmControls 0x00
> bLockDelayUnits 2 Decoded PCM samples
> wLockDelay 0x0008
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 3
> 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 0x0009
> bInCollection 1
> baInterfaceNr(0) 1
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 4
> bAlternateSetting 0
> bNumEndpoints 2
> bInterfaceClass 1 Audio
> bInterfaceSubClass 3 MIDI Streaming
> bInterfaceProtocol 0
> iInterface 0
> MIDIStreaming Interface Descriptor:
> bLength 7
> bDescriptorType 36
> bDescriptorSubtype 1 (HEADER)
> bcdADC 1.00
> wTotalLength 0x00a1
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 1 Embedded
> bJackID 1
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 2 External
> bJackID 25
> iJack 11 WING MIDI DAW 1
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 1 Embedded
> bJackID 2
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 2 External
> bJackID 26
> iJack 13 WING MIDI DAW 2
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 1 Embedded
> bJackID 3
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 2 External
> bJackID 27
> iJack 15 WING MIDI DAW 3
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 1 Embedded
> bJackID 4
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 6
> bDescriptorType 36
> bDescriptorSubtype 2 (MIDI_IN_JACK)
> bJackType 2 External
> bJackID 28
> iJack 17 WING MIDI Control
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 1 Embedded
> bJackID 9
> bNrInputPins 1
> baSourceID( 0) 25
> BaSourcePin( 0) 1
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 2 External
> bJackID 17
> bNrInputPins 1
> baSourceID( 0) 1
> BaSourcePin( 0) 1
> iJack 10 WING MIDI DAW 1
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 1 Embedded
> bJackID 10
> bNrInputPins 1
> baSourceID( 0) 26
> BaSourcePin( 0) 1
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 2 External
> bJackID 18
> bNrInputPins 1
> baSourceID( 0) 2
> BaSourcePin( 0) 1
> iJack 12 WING MIDI DAW 2
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 1 Embedded
> bJackID 11
> bNrInputPins 1
> baSourceID( 0) 27
> BaSourcePin( 0) 1
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 2 External
> bJackID 19
> bNrInputPins 1
> baSourceID( 0) 3
> BaSourcePin( 0) 1
> iJack 14 WING MIDI DAW 3
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 1 Embedded
> bJackID 12
> bNrInputPins 1
> baSourceID( 0) 28
> BaSourcePin( 0) 1
> iJack 0
> MIDIStreaming Interface Descriptor:
> bLength 9
> bDescriptorType 36
> bDescriptorSubtype 3 (MIDI_OUT_JACK)
> bJackType 2 External
> bJackID 20
> bNrInputPins 1
> baSourceID( 0) 4
> BaSourcePin( 0) 1
> iJack 16 WING MIDI Control
> Endpoint Descriptor:
> bLength 9
> bDescriptorType 5
> bEndpointAddress 0x02 EP 2 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> bRefresh 0
> bSynchAddress 0
> MIDIStreaming Endpoint Descriptor:
> bLength 8
> bDescriptorType 37
> bDescriptorSubtype 1 (GENERAL)
> bNumEmbMIDIJack 4
> baAssocJackID( 0) 1
> baAssocJackID( 1) 2
> baAssocJackID( 2) 3
> baAssocJackID( 3) 4
> Endpoint Descriptor:
> bLength 9
> bDescriptorType 5
> bEndpointAddress 0x82 EP 2 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> bRefresh 0
> bSynchAddress 0
> MIDIStreaming Endpoint Descriptor:
> bLength 8
> bDescriptorType 37
> bDescriptorSubtype 1 (GENERAL)
> bNumEmbMIDIJack 4
> baAssocJackID( 0) 9
> baAssocJackID( 1) 10
> baAssocJackID( 2) 11
> baAssocJackID( 3) 12
> Device Qualifier (for other device speed):
> bLength 10
> bDescriptorType 6
> bcdUSB 2.00
> bDeviceClass 0
> bDeviceSubClass 0
> bDeviceProtocol 0
> bMaxPacketSize0 64
> bNumConfigurations 1
> Device Status: 0x0001
> Self Powered
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