> This patch should reduce the bus speed to 25 kHz, hopefully giving us more information
> about your device.
>
Here are logs with patched driver:
[115345.416343] usbcore: registered new interface driver em28xx
[115345.416350] em28xx driver loaded
[115397.552829] usb 1-3: new high speed USB device using ehci_hcd and address 21
[115397.704422] em28xx: New device @ 480 Mbps (eb1a:2861, interface 0, class 0)
[115397.704488] em28xx #0: chip ID is em2860
[115397.874880] em28xx #0: i2c eeprom 00: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.874894] em28xx #0: i2c eeprom 10: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.874905] em28xx #0: i2c eeprom 20: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.874917] em28xx #0: i2c eeprom 30: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.874928] em28xx #0: i2c eeprom 40: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.874940] em28xx #0: i2c eeprom 50: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.874951] em28xx #0: i2c eeprom 60: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.874962] em28xx #0: i2c eeprom 70: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.874974] em28xx #0: i2c eeprom 80: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.874985] em28xx #0: i2c eeprom 90: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.874996] em28xx #0: i2c eeprom a0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.875008] em28xx #0: i2c eeprom b0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.875019] em28xx #0: i2c eeprom c0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.875031] em28xx #0: i2c eeprom d0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.875042] em28xx #0: i2c eeprom e0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.875053] em28xx #0: i2c eeprom f0: 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
[115397.875065] em28xx #0: EEPROM ID= 0x00000000, EEPROM hash = 0x00000000
[115397.875067] em28xx #0: EEPROM info:
[115397.875069] em28xx #0: No audio on board.
[115397.875071] em28xx #0: 500mA max power
[115397.875074] em28xx #0: Table at 0x00, strings=0x0000, 0x0000, 0x0000
[115397.893261] Unknown Micron Sensor 0x0000
[115397.893269] em28xx #0: Identified as Unknown EM2750/28xx video
grabber (card=1)
[115397.893622] em28xx #0: found i2c device @ 0x0 [???]
[115397.893996] em28xx #0: found i2c device @ 0x2 [???]
[115397.894371] em28xx #0: found i2c device @ 0x4 [???]
[115397.894745] em28xx #0: found i2c device @ 0x6 [???]
[115397.895120] em28xx #0: found i2c device @ 0x8 [???]
[115397.895494] em28xx #0: found i2c device @ 0xa [???]
[115397.895870] em28xx #0: found i2c device @ 0xc [???]
[115397.896245] em28xx #0: found i2c device @ 0xe [???]
[115397.896619] em28xx #0: found i2c device @ 0x10 [???]
[115397.896995] em28xx #0: found i2c device @ 0x12 [???]
[115397.897369] em28xx #0: found i2c device @ 0x14 [???]
[115397.897749] em28xx #0: found i2c device @ 0x16 [???]
[115397.898121] em28xx #0: found i2c device @ 0x18 [???]
[115397.898498] em28xx #0: found i2c device @ 0x1a [???]
[115397.898870] em28xx #0: found i2c device @ 0x1c [???]
[115397.899243] em28xx #0: found i2c device @ 0x1e [???]
[115397.899622] em28xx #0: found i2c device @ 0x20 [???]
[115397.899996] em28xx #0: found i2c device @ 0x22 [???]
[115397.900485] em28xx #0: found i2c device @ 0x24 [???]
[115397.900859] em28xx #0: found i2c device @ 0x26 [???]
[115397.901244] em28xx #0: found i2c device @ 0x28 [???]
[115397.901619] em28xx #0: found i2c device @ 0x2a [???]
[115397.901994] em28xx #0: found i2c device @ 0x2c [???]
[115397.902368] em28xx #0: found i2c device @ 0x2e [???]
[115397.902735] em28xx #0: found i2c device @ 0x30 [???]
[115397.903116] em28xx #0: found i2c device @ 0x32 [???]
[115397.903488] em28xx #0: found i2c device @ 0x34 [???]
[115397.903867] em28xx #0: found i2c device @ 0x36 [???]
[115397.904245] em28xx #0: found i2c device @ 0x38 [???]
[115397.904619] em28xx #0: found i2c device @ 0x3a [???]
[115397.904987] em28xx #0: found i2c device @ 0x3c [???]
[115397.905370] em28xx #0: found i2c device @ 0x3e [???]
[115397.905748] em28xx #0: found i2c device @ 0x40 [???]
[115397.906116] em28xx #0: found i2c device @ 0x42 [???]
[115397.906488] em28xx #0: found i2c device @ 0x44 [???]
[115397.906870] em28xx #0: found i2c device @ 0x46 [???]
[115397.907245] em28xx #0: found i2c device @ 0x48 [???]
[115397.907612] em28xx #0: found i2c device @ 0x4a [saa7113h]
[115397.907995] em28xx #0: found i2c device @ 0x4c [???]
[115397.908369] em28xx #0: found i2c device @ 0x4e [???]
[115397.908745] em28xx #0: found i2c device @ 0x50 [???]
[115397.909111] em28xx #0: found i2c device @ 0x52 [???]
[115397.909495] em28xx #0: found i2c device @ 0x54 [???]
[115397.909864] em28xx #0: found i2c device @ 0x56 [???]
[115397.910237] em28xx #0: found i2c device @ 0x58 [???]
[115397.910614] em28xx #0: found i2c device @ 0x5a [???]
[115397.910981] em28xx #0: found i2c device @ 0x5c [???]
[115397.911369] em28xx #0: found i2c device @ 0x5e [???]
[115397.911744] em28xx #0: found i2c device @ 0x60 [remote IR sensor]
[115397.912115] em28xx #0: found i2c device @ 0x62 [???]
[115397.912494] em28xx #0: found i2c device @ 0x64 [???]
[115397.912861] em28xx #0: found i2c device @ 0x66 [???]
[115397.913245] em28xx #0: found i2c device @ 0x68 [???]
[115397.913617] em28xx #0: found i2c device @ 0x6a [???]
[115397.913994] em28xx #0: found i2c device @ 0x6c [???]
[115397.914366] em28xx #0: found i2c device @ 0x6e [???]
[115397.914745] em28xx #0: found i2c device @ 0x70 [???]
[115397.915118] em28xx #0: found i2c device @ 0x72 [???]
[115397.915494] em28xx #0: found i2c device @ 0x74 [???]
[115397.915862] em28xx #0: found i2c device @ 0x76 [???]
[115397.916242] em28xx #0: found i2c device @ 0x78 [???]
[115397.916618] em28xx #0: found i2c device @ 0x7a [???]
[115397.916993] em28xx #0: found i2c device @ 0x7c [???]
[115397.917370] em28xx #0: found i2c device @ 0x7e [???]
[115397.917742] em28xx #0: found i2c device @ 0x80 [msp34xx]
[115397.918119] em28xx #0: found i2c device @ 0x82 [???]
[115397.918487] em28xx #0: found i2c device @ 0x84 [???]
[115397.918868] em28xx #0: found i2c device @ 0x86 [tda9887]
[115397.919245] em28xx #0: found i2c device @ 0x88 [msp34xx]
[115397.919620] em28xx #0: found i2c device @ 0x8a [???]
[115397.919988] em28xx #0: found i2c device @ 0x8c [???]
[115397.920359] em28xx #0: found i2c device @ 0x8e [remote IR sensor]
[115397.920730] em28xx #0: found i2c device @ 0x90 [???]
[115397.921109] em28xx #0: found i2c device @ 0x92 [???]
[115397.921486] em28xx #0: found i2c device @ 0x94 [???]
[115397.921862] em28xx #0: found i2c device @ 0x96 [???]
[115397.922243] em28xx #0: found i2c device @ 0x98 [???]
[115397.922613] em28xx #0: found i2c device @ 0x9a [???]
[115397.922991] em28xx #0: found i2c device @ 0x9c [???]
[115397.923362] em28xx #0: found i2c device @ 0x9e [???]
[115397.923744] em28xx #0: found i2c device @ 0xa0 [eeprom]
[115397.924112] em28xx #0: found i2c device @ 0xa2 [???]
[115397.924493] em28xx #0: found i2c device @ 0xa4 [???]
[115397.924861] em28xx #0: found i2c device @ 0xa6 [???]
[115397.925242] em28xx #0: found i2c device @ 0xa8 [???]
[115397.925620] em28xx #0: found i2c device @ 0xaa [???]
[115397.925994] em28xx #0: found i2c device @ 0xac [???]
[115397.926369] em28xx #0: found i2c device @ 0xae [???]
[115397.926743] em28xx #0: found i2c device @ 0xb0 [tda9874]
[115397.927119] em28xx #0: found i2c device @ 0xb2 [???]
[115397.927495] em28xx #0: found i2c device @ 0xb4 [???]
[115397.927869] em28xx #0: found i2c device @ 0xb6 [???]
[115397.928237] em28xx #0: found i2c device @ 0xb8 [tvp5150a]
[115397.928619] em28xx #0: found i2c device @ 0xba [webcam sensor or tvp5150a]
[115397.928993] em28xx #0: found i2c device @ 0xbc [???]
[115397.929370] em28xx #0: found i2c device @ 0xbe [???]
[115397.929745] em28xx #0: found i2c device @ 0xc0 [tuner (analog)]
[115397.930115] em28xx #0: found i2c device @ 0xc2 [tuner (analog)]
[115397.930486] em28xx #0: found i2c device @ 0xc4 [tuner (analog)]
[115397.930859] em28xx #0: found i2c device @ 0xc6 [tuner (analog)]
[115397.931238] em28xx #0: found i2c device @ 0xc8 [???]
[115397.931615] em28xx #0: found i2c device @ 0xca [???]
[115397.931995] em28xx #0: found i2c device @ 0xcc [???]
[115397.932361] em28xx #0: found i2c device @ 0xce [???]
[115397.932740] em28xx #0: found i2c device @ 0xd0 [???]
[115397.933120] em28xx #0: found i2c device @ 0xd2 [???]
[115397.933486] em28xx #0: found i2c device @ 0xd4 [???]
[115397.933862] em28xx #0: found i2c device @ 0xd6 [???]
[115397.934245] em28xx #0: found i2c device @ 0xd8 [???]
[115397.934614] em28xx #0: found i2c device @ 0xda [???]
[115397.934995] em28xx #0: found i2c device @ 0xdc [???]
[115397.935361] em28xx #0: found i2c device @ 0xde [???]
[115397.935743] em28xx #0: found i2c device @ 0xe0 [???]
[115397.936119] em28xx #0: found i2c device @ 0xe2 [???]
[115397.936493] em28xx #0: found i2c device @ 0xe4 [???]
[115397.936869] em28xx #0: found i2c device @ 0xe6 [???]
[115397.937244] em28xx #0: found i2c device @ 0xe8 [???]
[115397.937619] em28xx #0: found i2c device @ 0xea [???]
[115397.937992] em28xx #0: found i2c device @ 0xec [???]
[115397.938369] em28xx #0: found i2c device @ 0xee [???]
[115397.938744] em28xx #0: found i2c device @ 0xf0 [???]
[115397.939117] em28xx #0: found i2c device @ 0xf2 [???]
[115397.939488] em28xx #0: found i2c device @ 0xf4 [???]
[115397.939869] em28xx #0: found i2c device @ 0xf6 [???]
[115397.940228] em28xx #0: found i2c device @ 0xf8 [???]
[115397.940615] em28xx #0: found i2c device @ 0xfa [???]
[115397.940986] em28xx #0: found i2c device @ 0xfc [???]
[115397.941365] em28xx #0: found i2c device @ 0xfe [???]
[115397.941370] em28xx #0: Your board has no unique USB ID and thus
need a hint to be detected.
[115397.941374] em28xx #0: You may try to use card=<n> insmod option
to workaround that.
[115397.941378] em28xx #0: Please send an email with this log to:
[115397.941381] em28xx #0: V4L Mailing List <linux-media@xxxxxxxxxxxxxxx>
[115397.941384] em28xx #0: Board eeprom hash is 0x00000000
[115397.941388] em28xx #0: Board i2c devicelist hash is 0x7d2e7f80
[115397.941391] em28xx #0: Here is a list of valid choices for the
card=<n> insmod option:
[115397.941395] em28xx #0: card=0 -> Unknown EM2800 video grabber
[115397.941399] em28xx #0: card=1 -> Unknown EM2750/28xx video grabber
[115397.941402] em28xx #0: card=2 -> Terratec Cinergy 250 USB
[115397.941406] em28xx #0: card=3 -> Pinnacle PCTV USB 2
[115397.941409] em28xx #0: card=4 -> Hauppauge WinTV USB 2
[115397.941413] em28xx #0: card=5 -> MSI VOX USB 2.0
[115397.941417] em28xx #0: card=6 -> Terratec Cinergy 200 USB
[115397.941420] em28xx #0: card=7 -> Leadtek Winfast USB II
[115397.941424] em28xx #0: card=8 -> Kworld USB2800
[115397.941427] em28xx #0: card=9 -> Pinnacle Dazzle DVC
90/100/101/107 / Kaiser Baas Video to DVD maker / Kworld DVD Maker 2
[115397.941432] em28xx #0: card=10 -> Hauppauge WinTV HVR 900
[115397.941436] em28xx #0: card=11 -> Terratec Hybrid XS
[115397.941439] em28xx #0: card=12 -> Kworld PVR TV 2800 RF
[115397.941443] em28xx #0: card=13 -> Terratec Prodigy XS
[115397.941447] em28xx #0: card=14 -> SIIG AVTuner-PVR / Pixelview
Prolink PlayTV USB 2.0
[115397.941451] em28xx #0: card=15 -> V-Gear PocketTV
[115397.941454] em28xx #0: card=16 -> Hauppauge WinTV HVR 950
[115397.941458] em28xx #0: card=17 -> Pinnacle PCTV HD Pro Stick
[115397.941462] em28xx #0: card=18 -> Hauppauge WinTV HVR 900 (R2)
[115397.941465] em28xx #0: card=19 -> EM2860/SAA711X Reference Design
[115397.941469] em28xx #0: card=20 -> AMD ATI TV Wonder HD 600
[115397.941473] em28xx #0: card=21 -> eMPIA Technology, Inc.
GrabBeeX+ Video Encoder
[115397.941477] em28xx #0: card=22 -> EM2710/EM2750/EM2751 webcam grabber
[115397.941481] em28xx #0: card=23 -> Huaqi DLCW-130
[115397.941484] em28xx #0: card=24 -> D-Link DUB-T210 TV Tuner
[115397.941488] em28xx #0: card=25 -> Gadmei UTV310
[115397.941491] em28xx #0: card=26 -> Hercules Smart TV USB 2.0
[115397.941495] em28xx #0: card=27 -> Pinnacle PCTV USB 2 (Philips FM1216ME)
[115397.941499] em28xx #0: card=28 -> Leadtek Winfast USB II Deluxe
[115397.941503] em28xx #0: card=29 -> EM2860/TVP5150 Reference Design
[115397.941506] em28xx #0: card=30 -> Videology 20K14XUSB USB2.0
[115397.941510] em28xx #0: card=31 -> Usbgear VD204v9
[115397.941513] em28xx #0: card=32 -> Supercomp USB 2.0 TV
[115397.941517] em28xx #0: card=33 -> (null)
[115397.941520] em28xx #0: card=34 -> Terratec Cinergy A Hybrid XS
[115397.941524] em28xx #0: card=35 -> Typhoon DVD Maker
[115397.941527] em28xx #0: card=36 -> NetGMBH Cam
[115397.941531] em28xx #0: card=37 -> Gadmei UTV330
[115397.941534] em28xx #0: card=38 -> Yakumo MovieMixer
[115397.941538] em28xx #0: card=39 -> KWorld PVRTV 300U
[115397.941541] em28xx #0: card=40 -> Plextor ConvertX PX-TV100U
[115397.941545] em28xx #0: card=41 -> Kworld 350 U DVB-T
[115397.941548] em28xx #0: card=42 -> Kworld 355 U DVB-T
[115397.941552] em28xx #0: card=43 -> Terratec Cinergy T XS
[115397.941555] em28xx #0: card=44 -> Terratec Cinergy T XS (MT2060)
[115397.941559] em28xx #0: card=45 -> Pinnacle PCTV DVB-T
[115397.941562] em28xx #0: card=46 -> Compro, VideoMate U3
[115397.941566] em28xx #0: card=47 -> KWorld DVB-T 305U
[115397.941570] em28xx #0: card=48 -> KWorld DVB-T 310U
[115397.941573] em28xx #0: card=49 -> MSI DigiVox A/D
[115397.941577] em28xx #0: card=50 -> MSI DigiVox A/D II
[115397.941580] em28xx #0: card=51 -> Terratec Hybrid XS Secam
[115397.941584] em28xx #0: card=52 -> DNT DA2 Hybrid
[115397.941587] em28xx #0: card=53 -> Pinnacle Hybrid Pro
[115397.941596] em28xx #0: card=54 -> Kworld VS-DVB-T 323UR
[115397.941598] em28xx #0: card=55 -> Terratec Hybrid XS (em2882)
[115397.941601] em28xx #0: card=56 -> Pinnacle Hybrid Pro (2)
[115397.941603] em28xx #0: card=57 -> Kworld PlusTV HD Hybrid 330
[115397.941605] em28xx #0: card=58 -> Compro VideoMate ForYou/Stereo
[115397.941607] em28xx #0: card=59 -> (null)
[115397.941609] em28xx #0: card=60 -> Hauppauge WinTV HVR 850
[115397.941611] em28xx #0: card=61 -> Pixelview PlayTV Box 4 USB 2.0
[115397.941613] em28xx #0: card=62 -> Gadmei TVR200
[115397.941615] em28xx #0: card=63 -> Kaiomy TVnPC U2
[115397.941617] em28xx #0: card=64 -> Easy Cap Capture DC-60
[115397.941619] em28xx #0: card=65 -> IO-DATA GV-MVP/SZ
[115397.941621] em28xx #0: card=66 -> Empire dual TV
[115397.941623] em28xx #0: card=67 -> Terratec Grabby
[115397.941625] em28xx #0: card=68 -> Terratec AV350
[115397.941627] em28xx #0: card=69 -> KWorld ATSC 315U HDTV TV Box
[115397.941629] em28xx #0: card=70 -> Evga inDtube
[115397.941631] em28xx #0: card=71 -> Silvercrest Webcam 1.3mpix
[115397.941633] em28xx #0: card=72 -> Gadmei UTV330+
[115397.941635] em28xx #0: card=73 -> Reddo DVB-C USB TV Box
[115397.941638] em28xx #0: card=74 -> Actionmaster/LinXcel/Digitus VC211A
[115397.941640] em28xx #0: card=75 -> Dikom DK300
[115397.941740] em28xx #0: Config register raw data: 0x10
[115397.980130] em28xx #0: AC97 vendor ID = 0x64246424
[115398.000243] em28xx #0: AC97 features = 0x6424
[115398.000246] em28xx #0: Unknown AC97 audio processor detected!
[115398.680487] em28xx #0: v4l2 driver version 0.1.2
[115400.222694] em28xx #0: V4L2 video device registered as video0
[115400.222697] em28xx #0: V4L2 VBI device registered as vbi0
[115400.222759] em28xx audio device (eb1a:2861): interface 1, class 1
[115400.222801] em28xx audio device (eb1a:2861): interface 2, class 1
[115400.314789] 21:2:1: endpoint lacks sample rate attribute bit, cannot set.
[115400.314872] 21:2:2: endpoint lacks sample rate attribute bit, cannot set.
[115400.314998] 21:2:3: endpoint lacks sample rate attribute bit, cannot set.
[115400.315136] 21:2:4: endpoint lacks sample rate attribute bit, cannot set.
[115400.315259] 21:2:5: endpoint lacks sample rate attribute bit, cannot set.
[115400.319116] usbcore: registered new interface driver snd-usb-audio
[115400.473926] 21:2:2: endpoint lacks sample rate attribute bit, cannot set.
[115400.475911] 21:2:2: endpoint lacks sample rate attribute bit, cannot set.
lsub
Bus 001 Device 021: ID eb1a:2861 eMPIA Technology, Inc.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0xeb1a eMPIA Technology, Inc.
idProduct 0x2861
bcdDevice 1.00
iManufacturer 0
iProduct 0
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 555
bNumInterfaces 3
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 255
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0001 1x 1 bytes
bInterval 11
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 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 0x84 EP 4 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0000 1x 0 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 1
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 255
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0001 1x 1 bytes
bInterval 11
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 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 0x84 EP 4 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0000 1x 0 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 2
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 255
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0001 1x 1 bytes
bInterval 11
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0ad4 2x 724 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0000 1x 0 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 3
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 255
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0001 1x 1 bytes
bInterval 11
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0c00 2x 1024 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0000 1x 0 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 4
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 255
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0001 1x 1 bytes
bInterval 11
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x1300 3x 768 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0000 1x 0 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 5
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 255
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0001 1x 1 bytes
bInterval 11
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x135c 3x 860 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0000 1x 0 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 6
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 255
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0001 1x 1 bytes
bInterval 11
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x13c4 3x 964 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0000 1x 0 bytes
bInterval 1
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 7
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 255
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0001 1x 1 bytes
bInterval 11
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x1400 3x 1024 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0000 1x 0 bytes
bInterval 1
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 0x0603 Line Connector
bAssocTerminal 0
bNrChannels 2
wChannelConfig 0x0003
Left Front (L)
Right Front (R)
iChannelNames 0
iTerminal 0
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 6 (FEATURE_UNIT)
bUnitID 2
bSourceID 1
bControlSize 1
bmaControls( 0) 0x03
Mute
Volume
bmaControls( 1) 0x00
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 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 2
bSubframeSize 2
bBitResolution 16
bSamFreqType 1 Discrete
tSamFreq[ 0] 0
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0000 1x 0 bytes
bInterval 4
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 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 2
bSubframeSize 2
bBitResolution 16
bSamFreqType 1 Discrete
tSamFreq[ 0] 48000
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x00c4 1x 196 bytes
bInterval 4
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 2
bSubframeSize 2
bBitResolution 16
bSamFreqType 1 Discrete
tSamFreq[ 0] 44100
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x00b4 1x 180 bytes
bInterval 4
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 3
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 2
bSubframeSize 2
bBitResolution 16
bSamFreqType 1 Discrete
tSamFreq[ 0] 32000
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 1
Transfer Type Isochronous
Synch Type None
Usage Type Data
wMaxPacketSize 0x0084 1x 132 bytes
bInterval 4
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 4
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 2
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 0x0044 1x 68 bytes
bInterval 4
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 5
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 2
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 0x0024 1x 36 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
AudioControl Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x00
bLockDelayUnits 0 Undefined
wLockDelay 0 Undefined
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0000
(Bus Powered)
------------------
pozdrawiam
Paweł Kuźniar
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