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usb info CMEDIA cm6331a

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Sep 12th, 2015
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  1. # lsusb -v -d 0d8c:0004
  2.  
  3. Bus 004 Device 004: ID 0d8c:0004 C-Media Electronics, Inc.
  4. Device Descriptor:
  5. bLength 18
  6. bDescriptorType 1
  7. bcdUSB 2.00
  8. bDeviceClass 239 Miscellaneous Device
  9. bDeviceSubClass 2
  10. bDeviceProtocol 1 Interface Association
  11. bMaxPacketSize0 64
  12. idVendor 0x0d8c C-Media Electronics, Inc.
  13. idProduct 0x0004
  14. bcdDevice 1.02
  15. iManufacturer 1 C-MEDIA Inc.
  16. iProduct 2 USB2.0 High-Speed True HD Audio
  17. iSerial 0
  18. bNumConfigurations 1
  19. Configuration Descriptor:
  20. bLength 9
  21. bDescriptorType 2
  22. wTotalLength 245
  23. bNumInterfaces 3
  24. bConfigurationValue 1
  25. iConfiguration 0
  26. bmAttributes 0xc0
  27. Self Powered
  28. MaxPower 100mA
  29. Interface Association:
  30. bLength 8
  31. bDescriptorType 11
  32. bFirstInterface 0
  33. bInterfaceCount 2
  34. bFunctionClass 1 Audio
  35. bFunctionSubClass 0
  36. bFunctionProtocol 32
  37. iFunction 0
  38. Interface Descriptor:
  39. bLength 9
  40. bDescriptorType 4
  41. bInterfaceNumber 0
  42. bAlternateSetting 0
  43. bNumEndpoints 1
  44. bInterfaceClass 1 Audio
  45. bInterfaceSubClass 1 Control Device
  46. bInterfaceProtocol 32
  47. iInterface 0
  48. AudioControl Interface Descriptor:
  49. bLength 9
  50. bDescriptorType 36
  51. bDescriptorSubtype 1 (HEADER)
  52. bcdADC 2.00
  53. bCategory 10
  54. wTotalLength 256
  55. bmControl 0x00
  56. AudioControl Interface Descriptor:
  57. bLength 17
  58. bDescriptorType 36
  59. bDescriptorSubtype 2 (INPUT_TERMINAL)
  60. bTerminalID 1
  61. wTerminalType 0x0101 USB Streaming
  62. bAssocTerminal 0
  63. bCSourceID 18
  64. bNrChannels 0
  65. bmChannelConfig 0x00000000
  66. bmControls 0x0040
  67. Cluster Control (read-only)
  68. iChannelNames 0
  69. iTerminal 0
  70. AudioControl Interface Descriptor:
  71. bLength 12
  72. bDescriptorType 36
  73. bDescriptorSubtype 3 (OUTPUT_TERMINAL)
  74. bTerminalID 7
  75. wTerminalType 0x0605 SPDIF interface
  76. bAssocTerminal 0
  77. bSourceID 13
  78. bCSourceID 18
  79. bmControls 0x0004
  80. Connector Control (read-only)
  81. iTerminal 0
  82. AudioControl Interface Descriptor:
  83. bLength 18
  84. bDescriptorType 36
  85. bDescriptorSubtype 6 (FEATURE_UNIT)
  86. bUnitID 13
  87. bSourceID 1
  88. bmaControls( 0) 0x00000003
  89. Mute Control (read/write)
  90. bmaControls( 1) 0x00000000
  91. bmaControls( 2) 0x00000000
  92. iFeature 0
  93. AudioControl Interface Descriptor:
  94. bLength 8
  95. bDescriptorType 36
  96. bDescriptorSubtype 10 (CLOCK_SOURCE)
  97. bClockID 18
  98. bmAttributes 0x03 Internal programmable Clock
  99. bmControls 0x07
  100. Clock Frequency Control (read/write)
  101. Clock Validity Control (read-only)
  102. bAssocTerminal 0
  103. iClockSource 0
  104. Endpoint Descriptor:
  105. bLength 7
  106. bDescriptorType 5
  107. bEndpointAddress 0x8f EP 15 IN
  108. bmAttributes 3
  109. Transfer Type Interrupt
  110. Synch Type None
  111. Usage Type Data
  112. wMaxPacketSize 0x0006 1x 6 bytes
  113. bInterval 4
  114. Interface Descriptor:
  115. bLength 9
  116. bDescriptorType 4
  117. bInterfaceNumber 1
  118. bAlternateSetting 0
  119. bNumEndpoints 0
  120. bInterfaceClass 1 Audio
  121. bInterfaceSubClass 2 Streaming
  122. bInterfaceProtocol 32
  123. iInterface 0
  124. Interface Descriptor:
  125. bLength 9
  126. bDescriptorType 4
  127. bInterfaceNumber 1
  128. bAlternateSetting 1
  129. bNumEndpoints 2
  130. bInterfaceClass 1 Audio
  131. bInterfaceSubClass 2 Streaming
  132. bInterfaceProtocol 32
  133. iInterface 0
  134. AudioStreaming Interface Descriptor:
  135. bLength 16
  136. bDescriptorType 36
  137. bDescriptorSubtype 1 (AS_GENERAL)
  138. bTerminalLink 1
  139. bmControls 0x05
  140. Active Alternate Setting Control (read-only)
  141. Valid Alternate Setting Control (read-only)
  142. bFormatType 1
  143. bmFormats 0x00000001
  144. PCM
  145. bNrChannels 2
  146. bmChannelConfig 0x00000003
  147. Front Left (FL)
  148. Front Right (FR)
  149. iChannelNames 0
  150. AudioStreaming Interface Descriptor:
  151. bLength 6
  152. bDescriptorType 36
  153. bDescriptorSubtype 2 (FORMAT_TYPE)
  154. bFormatType 1 (FORMAT_TYPE_I)
  155. bSubslotSize 2
  156. bBitResolution 16
  157. Endpoint Descriptor:
  158. bLength 7
  159. bDescriptorType 5
  160. bEndpointAddress 0x05 EP 5 OUT
  161. bmAttributes 5
  162. Transfer Type Isochronous
  163. Synch Type Asynchronous
  164. Usage Type Data
  165. wMaxPacketSize 0x00c4 1x 196 bytes
  166. bInterval 1
  167. AudioControl Endpoint Descriptor:
  168. bLength 8
  169. bDescriptorType 37
  170. bDescriptorSubtype 1 (EP_GENERAL)
  171. bmAttributes 0x00
  172. bmControls 0x00
  173. bLockDelayUnits 0 Undefined
  174. wLockDelay 0
  175. Endpoint Descriptor:
  176. bLength 7
  177. bDescriptorType 5
  178. bEndpointAddress 0x85 EP 5 IN
  179. bmAttributes 17
  180. Transfer Type Isochronous
  181. Synch Type None
  182. Usage Type Feedback
  183. wMaxPacketSize 0x0004 1x 4 bytes
  184. bInterval 4
  185. Interface Descriptor:
  186. bLength 9
  187. bDescriptorType 4
  188. bInterfaceNumber 1
  189. bAlternateSetting 2
  190. bNumEndpoints 2
  191. bInterfaceClass 1 Audio
  192. bInterfaceSubClass 2 Streaming
  193. bInterfaceProtocol 32
  194. iInterface 0
  195. AudioStreaming Interface Descriptor:
  196. bLength 16
  197. bDescriptorType 36
  198. bDescriptorSubtype 1 (AS_GENERAL)
  199. bTerminalLink 1
  200. bmControls 0x05
  201. Active Alternate Setting Control (read-only)
  202. Valid Alternate Setting Control (read-only)
  203. bFormatType 1
  204. bmFormats 0x00000001
  205. PCM
  206. bNrChannels 2
  207. bmChannelConfig 0x00000003
  208. Front Left (FL)
  209. Front Right (FR)
  210. iChannelNames 0
  211. AudioStreaming Interface Descriptor:
  212. bLength 6
  213. bDescriptorType 36
  214. bDescriptorSubtype 2 (FORMAT_TYPE)
  215. bFormatType 1 (FORMAT_TYPE_I)
  216. bSubslotSize 3
  217. bBitResolution 24
  218. Endpoint Descriptor:
  219. bLength 7
  220. bDescriptorType 5
  221. bEndpointAddress 0x05 EP 5 OUT
  222. bmAttributes 5
  223. Transfer Type Isochronous
  224. Synch Type Asynchronous
  225. Usage Type Data
  226. wMaxPacketSize 0x0126 1x 294 bytes
  227. bInterval 1
  228. AudioControl Endpoint Descriptor:
  229. bLength 8
  230. bDescriptorType 37
  231. bDescriptorSubtype 1 (EP_GENERAL)
  232. bmAttributes 0x00
  233. bmControls 0x00
  234. bLockDelayUnits 0 Undefined
  235. wLockDelay 0
  236. Endpoint Descriptor:
  237. bLength 7
  238. bDescriptorType 5
  239. bEndpointAddress 0x85 EP 5 IN
  240. bmAttributes 17
  241. Transfer Type Isochronous
  242. Synch Type None
  243. Usage Type Feedback
  244. wMaxPacketSize 0x0004 1x 4 bytes
  245. bInterval 4
  246. Interface Association:
  247. bLength 8
  248. bDescriptorType 11
  249. bFirstInterface 2
  250. bInterfaceCount 1
  251. bFunctionClass 3 Human Interface Device
  252. bFunctionSubClass 0
  253. bFunctionProtocol 0
  254. iFunction 0
  255. Interface Descriptor:
  256. bLength 9
  257. bDescriptorType 4
  258. bInterfaceNumber 2
  259. bAlternateSetting 0
  260. bNumEndpoints 1
  261. bInterfaceClass 3 Human Interface Device
  262. bInterfaceSubClass 0
  263. bInterfaceProtocol 0
  264. iInterface 0
  265. HID Device Descriptor:
  266. bLength 9
  267. bDescriptorType 33
  268. bcdHID 1.00
  269. bCountryCode 0 Not supported
  270. bNumDescriptors 1
  271. bDescriptorType 34 Report
  272. wDescriptorLength 50
  273. Report Descriptors:
  274. ** UNAVAILABLE **
  275. Endpoint Descriptor:
  276. bLength 7
  277. bDescriptorType 5
  278. bEndpointAddress 0x84 EP 4 IN
  279. bmAttributes 3
  280. Transfer Type Interrupt
  281. Synch Type None
  282. Usage Type Data
  283. wMaxPacketSize 0x0010 1x 16 bytes
  284. bInterval 4
  285. Device Qualifier (for other device speed):
  286. bLength 10
  287. bDescriptorType 6
  288. bcdUSB 2.00
  289. bDeviceClass 239 Miscellaneous Device
  290. bDeviceSubClass 2
  291. bDeviceProtocol 1 Interface Association
  292. bMaxPacketSize0 64
  293. bNumConfigurations 1
  294. can't get debug descriptor: Resource temporarily unavailable
  295. Device Status: 0x0001
  296. Self Powered
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