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8440p lsusb

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Jun 4th, 2019
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  1.  
  2. Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
  3. Device Descriptor:
  4. bLength 18
  5. bDescriptorType 1
  6. bcdUSB 2.00
  7. bDeviceClass 9 Hub
  8. bDeviceSubClass 0 Unused
  9. bDeviceProtocol 1 Single TT
  10. bMaxPacketSize0 64
  11. idVendor 0x8087 Intel Corp.
  12. idProduct 0x0020 Integrated Rate Matching Hub
  13. bcdDevice 0.00
  14. iManufacturer 0
  15. iProduct 0
  16. iSerial 0
  17. bNumConfigurations 1
  18. Configuration Descriptor:
  19. bLength 9
  20. bDescriptorType 2
  21. wTotalLength 25
  22. bNumInterfaces 1
  23. bConfigurationValue 1
  24. iConfiguration 0
  25. bmAttributes 0xe0
  26. Self Powered
  27. Remote Wakeup
  28. MaxPower 0mA
  29. Interface Descriptor:
  30. bLength 9
  31. bDescriptorType 4
  32. bInterfaceNumber 0
  33. bAlternateSetting 0
  34. bNumEndpoints 1
  35. bInterfaceClass 9 Hub
  36. bInterfaceSubClass 0 Unused
  37. bInterfaceProtocol 0 Full speed (or root) hub
  38. iInterface 0
  39. Endpoint Descriptor:
  40. bLength 7
  41. bDescriptorType 5
  42. bEndpointAddress 0x81 EP 1 IN
  43. bmAttributes 3
  44. Transfer Type Interrupt
  45. Synch Type None
  46. Usage Type Data
  47. wMaxPacketSize 0x0002 1x 2 bytes
  48. bInterval 12
  49. Hub Descriptor:
  50. bLength 11
  51. bDescriptorType 41
  52. nNbrPorts 8
  53. wHubCharacteristic 0x0089
  54. Per-port power switching
  55. Per-port overcurrent protection
  56. TT think time 8 FS bits
  57. Port indicators
  58. bPwrOn2PwrGood 50 * 2 milli seconds
  59. bHubContrCurrent 0 milli Ampere
  60. DeviceRemovable 0x00 0x00
  61. PortPwrCtrlMask 0xff 0xff
  62. Hub Port Status:
  63. Port 1: 0000.0100 power
  64. Port 2: 0000.0100 power
  65. Port 3: 0000.0100 power
  66. Port 4: 0000.0100 power
  67. Port 5: 0000.0100 power
  68. Port 6: 0000.0100 power
  69. Port 7: 0000.0100 power
  70. Port 8: 0000.0100 power
  71. Device Qualifier (for other device speed):
  72. bLength 10
  73. bDescriptorType 6
  74. bcdUSB 2.00
  75. bDeviceClass 9 Hub
  76. bDeviceSubClass 0 Unused
  77. bDeviceProtocol 0 Full speed (or root) hub
  78. bMaxPacketSize0 64
  79. bNumConfigurations 1
  80. Device Status: 0x0001
  81. Self Powered
  82.  
  83. Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  84. Device Descriptor:
  85. bLength 18
  86. bDescriptorType 1
  87. bcdUSB 2.00
  88. bDeviceClass 9 Hub
  89. bDeviceSubClass 0 Unused
  90. bDeviceProtocol 0 Full speed (or root) hub
  91. bMaxPacketSize0 64
  92. idVendor 0x1d6b Linux Foundation
  93. idProduct 0x0002 2.0 root hub
  94. bcdDevice 4.04
  95. iManufacturer 3 Linux 4.4.0-142-generic ehci_hcd
  96. iProduct 2 EHCI Host Controller
  97. iSerial 1 0000:00:1d.0
  98. bNumConfigurations 1
  99. Configuration Descriptor:
  100. bLength 9
  101. bDescriptorType 2
  102. wTotalLength 25
  103. bNumInterfaces 1
  104. bConfigurationValue 1
  105. iConfiguration 0
  106. bmAttributes 0xe0
  107. Self Powered
  108. Remote Wakeup
  109. MaxPower 0mA
  110. Interface Descriptor:
  111. bLength 9
  112. bDescriptorType 4
  113. bInterfaceNumber 0
  114. bAlternateSetting 0
  115. bNumEndpoints 1
  116. bInterfaceClass 9 Hub
  117. bInterfaceSubClass 0 Unused
  118. bInterfaceProtocol 0 Full speed (or root) hub
  119. iInterface 0
  120. Endpoint Descriptor:
  121. bLength 7
  122. bDescriptorType 5
  123. bEndpointAddress 0x81 EP 1 IN
  124. bmAttributes 3
  125. Transfer Type Interrupt
  126. Synch Type None
  127. Usage Type Data
  128. wMaxPacketSize 0x0004 1x 4 bytes
  129. bInterval 12
  130. Hub Descriptor:
  131. bLength 9
  132. bDescriptorType 41
  133. nNbrPorts 3
  134. wHubCharacteristic 0x000a
  135. No power switching (usb 1.0)
  136. Per-port overcurrent protection
  137. bPwrOn2PwrGood 10 * 2 milli seconds
  138. bHubContrCurrent 0 milli Ampere
  139. DeviceRemovable 0x02
  140. PortPwrCtrlMask 0xff
  141. Hub Port Status:
  142. Port 1: 0000.0507 highspeed power suspend enable connect
  143. Port 2: 0000.0100 power
  144. Port 3: 0000.0100 power
  145. Device Status: 0x0001
  146. Self Powered
  147.  
  148. Bus 001 Device 003: ID 04f2:b15e Chicony Electronics Co., Ltd
  149. Device Descriptor:
  150. bLength 18
  151. bDescriptorType 1
  152. bcdUSB 2.00
  153. bDeviceClass 239 Miscellaneous Device
  154. bDeviceSubClass 2 ?
  155. bDeviceProtocol 1 Interface Association
  156. bMaxPacketSize0 64
  157. idVendor 0x04f2 Chicony Electronics Co., Ltd
  158. idProduct 0xb15e
  159. bcdDevice 85.54
  160. iManufacturer 2 Chicony Electronics Co., Ltd.
  161. iProduct 1 HP Webcam [2 MP Macro]
  162. iSerial 0
  163. bNumConfigurations 1
  164. Configuration Descriptor:
  165. bLength 9
  166. bDescriptorType 2
  167. wTotalLength 533
  168. bNumInterfaces 2
  169. bConfigurationValue 1
  170. iConfiguration 0
  171. bmAttributes 0x80
  172. (Bus Powered)
  173. MaxPower 98mA
  174. Interface Association:
  175. bLength 8
  176. bDescriptorType 11
  177. bFirstInterface 0
  178. bInterfaceCount 2
  179. bFunctionClass 14 Video
  180. bFunctionSubClass 3 Video Interface Collection
  181. bFunctionProtocol 0
  182. iFunction 5 HP Webcam [2 MP Macro]
  183. Interface Descriptor:
  184. bLength 9
  185. bDescriptorType 4
  186. bInterfaceNumber 0
  187. bAlternateSetting 0
  188. bNumEndpoints 1
  189. bInterfaceClass 14 Video
  190. bInterfaceSubClass 1 Video Control
  191. bInterfaceProtocol 0
  192. iInterface 5 HP Webcam [2 MP Macro]
  193. VideoControl Interface Descriptor:
  194. bLength 13
  195. bDescriptorType 36
  196. bDescriptorSubtype 1 (HEADER)
  197. bcdUVC 1.00
  198. wTotalLength 103
  199. dwClockFrequency 15.000000MHz
  200. bInCollection 1
  201. baInterfaceNr( 0) 1
  202. VideoControl Interface Descriptor:
  203. bLength 9
  204. bDescriptorType 36
  205. bDescriptorSubtype 3 (OUTPUT_TERMINAL)
  206. bTerminalID 2
  207. wTerminalType 0x0101 USB Streaming
  208. bAssocTerminal 0
  209. bSourceID 5
  210. iTerminal 0
  211. VideoControl Interface Descriptor:
  212. bLength 26
  213. bDescriptorType 36
  214. bDescriptorSubtype 6 (EXTENSION_UNIT)
  215. bUnitID 4
  216. guidExtensionCode {7033f028-1163-2e4a-ba2c-6890eb334016}
  217. bNumControl 8
  218. bNrPins 1
  219. baSourceID( 0) 3
  220. bControlSize 1
  221. bmControls( 0) 0x0f
  222. iExtension 0
  223. VideoControl Interface Descriptor:
  224. bLength 26
  225. bDescriptorType 36
  226. bDescriptorSubtype 6 (EXTENSION_UNIT)
  227. bUnitID 5
  228. guidExtensionCode {3fae1228-d7bc-114e-a357-6f1edef7d61d}
  229. bNumControl 8
  230. bNrPins 1
  231. baSourceID( 0) 4
  232. bControlSize 1
  233. bmControls( 0) 0xff
  234. iExtension 0
  235. VideoControl Interface Descriptor:
  236. bLength 18
  237. bDescriptorType 36
  238. bDescriptorSubtype 2 (INPUT_TERMINAL)
  239. bTerminalID 1
  240. wTerminalType 0x0201 Camera Sensor
  241. bAssocTerminal 0
  242. iTerminal 0
  243. wObjectiveFocalLengthMin 0
  244. wObjectiveFocalLengthMax 0
  245. wOcularFocalLength 0
  246. bControlSize 3
  247. bmControls 0x00000026
  248. Auto-Exposure Mode
  249. Auto-Exposure Priority
  250. Focus (Absolute)
  251. VideoControl Interface Descriptor:
  252. bLength 11
  253. bDescriptorType 36
  254. bDescriptorSubtype 5 (PROCESSING_UNIT)
  255. Warning: Descriptor too short
  256. bUnitID 3
  257. bSourceID 1
  258. wMaxMultiplier 0
  259. bControlSize 2
  260. bmControls 0x0000157f
  261. Brightness
  262. Contrast
  263. Hue
  264. Saturation
  265. Sharpness
  266. Gamma
  267. White Balance Temperature
  268. Backlight Compensation
  269. Power Line Frequency
  270. White Balance Temperature, Auto
  271. iProcessing 0
  272. bmVideoStandards 0x 0
  273. Endpoint Descriptor:
  274. bLength 7
  275. bDescriptorType 5
  276. bEndpointAddress 0x83 EP 3 IN
  277. bmAttributes 3
  278. Transfer Type Interrupt
  279. Synch Type None
  280. Usage Type Data
  281. wMaxPacketSize 0x0010 1x 16 bytes
  282. bInterval 6
  283. Interface Descriptor:
  284. bLength 9
  285. bDescriptorType 4
  286. bInterfaceNumber 1
  287. bAlternateSetting 0
  288. bNumEndpoints 0
  289. bInterfaceClass 14 Video
  290. bInterfaceSubClass 2 Video Streaming
  291. bInterfaceProtocol 0
  292. iInterface 0
  293. VideoStreaming Interface Descriptor:
  294. bLength 14
  295. bDescriptorType 36
  296. bDescriptorSubtype 1 (INPUT_HEADER)
  297. bNumFormats 1
  298. wTotalLength 287
  299. bEndPointAddress 129
  300. bmInfo 0
  301. bTerminalLink 2
  302. bStillCaptureMethod 0
  303. bTriggerSupport 0
  304. bTriggerUsage 0
  305. bControlSize 1
  306. bmaControls( 0) 27
  307. VideoStreaming Interface Descriptor:
  308. bLength 27
  309. bDescriptorType 36
  310. bDescriptorSubtype 4 (FORMAT_UNCOMPRESSED)
  311. bFormatIndex 1
  312. bNumFrameDescriptors 8
  313. guidFormat {59555932-0000-1000-8000-00aa00389b71}
  314. bBitsPerPixel 16
  315. bDefaultFrameIndex 1
  316. bAspectRatioX 0
  317. bAspectRatioY 0
  318. bmInterlaceFlags 0x00
  319. Interlaced stream or variable: No
  320. Fields per frame: 2 fields
  321. Field 1 first: No
  322. Field pattern: Field 1 only
  323. bCopyProtect 0
  324. VideoStreaming Interface Descriptor:
  325. bLength 30
  326. bDescriptorType 36
  327. bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
  328. bFrameIndex 1
  329. bmCapabilities 0x00
  330. Still image unsupported
  331. wWidth 640
  332. wHeight 480
  333. dwMinBitRate 18432000
  334. dwMaxBitRate 18432000
  335. dwMaxVideoFrameBufferSize 614400
  336. dwDefaultFrameInterval 333333
  337. bFrameIntervalType 1
  338. dwFrameInterval( 0) 333333
  339. VideoStreaming Interface Descriptor:
  340. bLength 30
  341. bDescriptorType 36
  342. bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
  343. bFrameIndex 2
  344. bmCapabilities 0x00
  345. Still image unsupported
  346. wWidth 320
  347. wHeight 240
  348. dwMinBitRate 4608000
  349. dwMaxBitRate 4608000
  350. dwMaxVideoFrameBufferSize 153600
  351. dwDefaultFrameInterval 333333
  352. bFrameIntervalType 1
  353. dwFrameInterval( 0) 333333
  354. VideoStreaming Interface Descriptor:
  355. bLength 30
  356. bDescriptorType 36
  357. bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
  358. bFrameIndex 3
  359. bmCapabilities 0x00
  360. Still image unsupported
  361. wWidth 176
  362. wHeight 144
  363. dwMinBitRate 1520640
  364. dwMaxBitRate 1520640
  365. dwMaxVideoFrameBufferSize 50688
  366. dwDefaultFrameInterval 333333
  367. bFrameIntervalType 1
  368. dwFrameInterval( 0) 333333
  369. VideoStreaming Interface Descriptor:
  370. bLength 30
  371. bDescriptorType 36
  372. bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
  373. bFrameIndex 4
  374. bmCapabilities 0x00
  375. Still image unsupported
  376. wWidth 1024
  377. wHeight 768
  378. dwMinBitRate 11010048
  379. dwMaxBitRate 11010048
  380. dwMaxVideoFrameBufferSize 1572864
  381. dwDefaultFrameInterval 1428571
  382. bFrameIntervalType 1
  383. dwFrameInterval( 0) 1428571
  384. VideoStreaming Interface Descriptor:
  385. bLength 30
  386. bDescriptorType 36
  387. bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
  388. bFrameIndex 5
  389. bmCapabilities 0x00
  390. Still image unsupported
  391. wWidth 1280
  392. wHeight 720
  393. dwMinBitRate 12902400
  394. dwMaxBitRate 12902400
  395. dwMaxVideoFrameBufferSize 1843200
  396. dwDefaultFrameInterval 1428571
  397. bFrameIntervalType 1
  398. dwFrameInterval( 0) 1428571
  399. VideoStreaming Interface Descriptor:
  400. bLength 30
  401. bDescriptorType 36
  402. bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
  403. bFrameIndex 6
  404. bmCapabilities 0x00
  405. Still image unsupported
  406. wWidth 1280
  407. wHeight 1024
  408. dwMinBitRate 18350080
  409. dwMaxBitRate 18350080
  410. dwMaxVideoFrameBufferSize 2621440
  411. dwDefaultFrameInterval 1428571
  412. bFrameIntervalType 1
  413. dwFrameInterval( 0) 1428571
  414. VideoStreaming Interface Descriptor:
  415. bLength 30
  416. bDescriptorType 36
  417. bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
  418. bFrameIndex 7
  419. bmCapabilities 0x00
  420. Still image unsupported
  421. wWidth 1600
  422. wHeight 904
  423. dwMinBitRate 14464000
  424. dwMaxBitRate 14464000
  425. dwMaxVideoFrameBufferSize 2892800
  426. dwDefaultFrameInterval 2000000
  427. bFrameIntervalType 1
  428. dwFrameInterval( 0) 2000000
  429. VideoStreaming Interface Descriptor:
  430. bLength 30
  431. bDescriptorType 36
  432. bDescriptorSubtype 5 (FRAME_UNCOMPRESSED)
  433. bFrameIndex 8
  434. bmCapabilities 0x00
  435. Still image unsupported
  436. wWidth 1600
  437. wHeight 1200
  438. dwMinBitRate 19200000
  439. dwMaxBitRate 19200000
  440. dwMaxVideoFrameBufferSize 3840000
  441. dwDefaultFrameInterval 2000000
  442. bFrameIntervalType 1
  443. dwFrameInterval( 0) 2000000
  444. VideoStreaming Interface Descriptor:
  445. bLength 6
  446. bDescriptorType 36
  447. bDescriptorSubtype 13 (COLORFORMAT)
  448. bColorPrimaries 1 (BT.709,sRGB)
  449. bTransferCharacteristics 1 (BT.709)
  450. bMatrixCoefficients 4 (SMPTE 170M (BT.601))
  451. Interface Descriptor:
  452. bLength 9
  453. bDescriptorType 4
  454. bInterfaceNumber 1
  455. bAlternateSetting 1
  456. bNumEndpoints 1
  457. bInterfaceClass 14 Video
  458. bInterfaceSubClass 2 Video Streaming
  459. bInterfaceProtocol 0
  460. iInterface 0
  461. Endpoint Descriptor:
  462. bLength 7
  463. bDescriptorType 5
  464. bEndpointAddress 0x81 EP 1 IN
  465. bmAttributes 5
  466. Transfer Type Isochronous
  467. Synch Type Asynchronous
  468. Usage Type Data
  469. wMaxPacketSize 0x0080 1x 128 bytes
  470. bInterval 1
  471. Interface Descriptor:
  472. bLength 9
  473. bDescriptorType 4
  474. bInterfaceNumber 1
  475. bAlternateSetting 2
  476. bNumEndpoints 1
  477. bInterfaceClass 14 Video
  478. bInterfaceSubClass 2 Video Streaming
  479. bInterfaceProtocol 0
  480. iInterface 0
  481. Endpoint Descriptor:
  482. bLength 7
  483. bDescriptorType 5
  484. bEndpointAddress 0x81 EP 1 IN
  485. bmAttributes 5
  486. Transfer Type Isochronous
  487. Synch Type Asynchronous
  488. Usage Type Data
  489. wMaxPacketSize 0x0100 1x 256 bytes
  490. bInterval 1
  491. Interface Descriptor:
  492. bLength 9
  493. bDescriptorType 4
  494. bInterfaceNumber 1
  495. bAlternateSetting 3
  496. bNumEndpoints 1
  497. bInterfaceClass 14 Video
  498. bInterfaceSubClass 2 Video Streaming
  499. bInterfaceProtocol 0
  500. iInterface 0
  501. Endpoint Descriptor:
  502. bLength 7
  503. bDescriptorType 5
  504. bEndpointAddress 0x81 EP 1 IN
  505. bmAttributes 5
  506. Transfer Type Isochronous
  507. Synch Type Asynchronous
  508. Usage Type Data
  509. wMaxPacketSize 0x0320 1x 800 bytes
  510. bInterval 1
  511. Interface Descriptor:
  512. bLength 9
  513. bDescriptorType 4
  514. bInterfaceNumber 1
  515. bAlternateSetting 4
  516. bNumEndpoints 1
  517. bInterfaceClass 14 Video
  518. bInterfaceSubClass 2 Video Streaming
  519. bInterfaceProtocol 0
  520. iInterface 0
  521. Endpoint Descriptor:
  522. bLength 7
  523. bDescriptorType 5
  524. bEndpointAddress 0x81 EP 1 IN
  525. bmAttributes 5
  526. Transfer Type Isochronous
  527. Synch Type Asynchronous
  528. Usage Type Data
  529. wMaxPacketSize 0x0b20 2x 800 bytes
  530. bInterval 1
  531. Interface Descriptor:
  532. bLength 9
  533. bDescriptorType 4
  534. bInterfaceNumber 1
  535. bAlternateSetting 5
  536. bNumEndpoints 1
  537. bInterfaceClass 14 Video
  538. bInterfaceSubClass 2 Video Streaming
  539. bInterfaceProtocol 0
  540. iInterface 0
  541. Endpoint Descriptor:
  542. bLength 7
  543. bDescriptorType 5
  544. bEndpointAddress 0x81 EP 1 IN
  545. bmAttributes 5
  546. Transfer Type Isochronous
  547. Synch Type Asynchronous
  548. Usage Type Data
  549. wMaxPacketSize 0x1320 3x 800 bytes
  550. bInterval 1
  551. Interface Descriptor:
  552. bLength 9
  553. bDescriptorType 4
  554. bInterfaceNumber 1
  555. bAlternateSetting 6
  556. bNumEndpoints 1
  557. bInterfaceClass 14 Video
  558. bInterfaceSubClass 2 Video Streaming
  559. bInterfaceProtocol 0
  560. iInterface 0
  561. Endpoint Descriptor:
  562. bLength 7
  563. bDescriptorType 5
  564. bEndpointAddress 0x81 EP 1 IN
  565. bmAttributes 5
  566. Transfer Type Isochronous
  567. Synch Type Asynchronous
  568. Usage Type Data
  569. wMaxPacketSize 0x1400 3x 1024 bytes
  570. bInterval 1
  571. Device Qualifier (for other device speed):
  572. bLength 10
  573. bDescriptorType 6
  574. bcdUSB 2.00
  575. bDeviceClass 239 Miscellaneous Device
  576. bDeviceSubClass 2 ?
  577. bDeviceProtocol 1 Interface Association
  578. bMaxPacketSize0 64
  579. bNumConfigurations 1
  580. Device Status: 0x0002
  581. (Bus Powered)
  582. Remote Wakeup Enabled
  583.  
  584. Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
  585. Device Descriptor:
  586. bLength 18
  587. bDescriptorType 1
  588. bcdUSB 2.00
  589. bDeviceClass 9 Hub
  590. bDeviceSubClass 0 Unused
  591. bDeviceProtocol 1 Single TT
  592. bMaxPacketSize0 64
  593. idVendor 0x8087 Intel Corp.
  594. idProduct 0x0020 Integrated Rate Matching Hub
  595. bcdDevice 0.00
  596. iManufacturer 0
  597. iProduct 0
  598. iSerial 0
  599. bNumConfigurations 1
  600. Configuration Descriptor:
  601. bLength 9
  602. bDescriptorType 2
  603. wTotalLength 25
  604. bNumInterfaces 1
  605. bConfigurationValue 1
  606. iConfiguration 0
  607. bmAttributes 0xe0
  608. Self Powered
  609. Remote Wakeup
  610. MaxPower 0mA
  611. Interface Descriptor:
  612. bLength 9
  613. bDescriptorType 4
  614. bInterfaceNumber 0
  615. bAlternateSetting 0
  616. bNumEndpoints 1
  617. bInterfaceClass 9 Hub
  618. bInterfaceSubClass 0 Unused
  619. bInterfaceProtocol 0 Full speed (or root) hub
  620. iInterface 0
  621. Endpoint Descriptor:
  622. bLength 7
  623. bDescriptorType 5
  624. bEndpointAddress 0x81 EP 1 IN
  625. bmAttributes 3
  626. Transfer Type Interrupt
  627. Synch Type None
  628. Usage Type Data
  629. wMaxPacketSize 0x0001 1x 1 bytes
  630. bInterval 12
  631. Hub Descriptor:
  632. bLength 9
  633. bDescriptorType 41
  634. nNbrPorts 6
  635. wHubCharacteristic 0x0089
  636. Per-port power switching
  637. Per-port overcurrent protection
  638. TT think time 8 FS bits
  639. Port indicators
  640. bPwrOn2PwrGood 50 * 2 milli seconds
  641. bHubContrCurrent 0 milli Ampere
  642. DeviceRemovable 0x00
  643. PortPwrCtrlMask 0xff
  644. Hub Port Status:
  645. Port 1: 0000.0100 power
  646. Port 2: 0000.0100 power
  647. Port 3: 0000.0100 power
  648. Port 4: 0000.0100 power
  649. Port 5: 0000.0503 highspeed power enable connect
  650. Port 6: 0000.0100 power
  651. Device Qualifier (for other device speed):
  652. bLength 10
  653. bDescriptorType 6
  654. bcdUSB 2.00
  655. bDeviceClass 9 Hub
  656. bDeviceSubClass 0 Unused
  657. bDeviceProtocol 0 Full speed (or root) hub
  658. bMaxPacketSize0 64
  659. bNumConfigurations 1
  660. Device Status: 0x0001
  661. Self Powered
  662.  
  663. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  664. Device Descriptor:
  665. bLength 18
  666. bDescriptorType 1
  667. bcdUSB 2.00
  668. bDeviceClass 9 Hub
  669. bDeviceSubClass 0 Unused
  670. bDeviceProtocol 0 Full speed (or root) hub
  671. bMaxPacketSize0 64
  672. idVendor 0x1d6b Linux Foundation
  673. idProduct 0x0002 2.0 root hub
  674. bcdDevice 4.04
  675. iManufacturer 3 Linux 4.4.0-142-generic ehci_hcd
  676. iProduct 2 EHCI Host Controller
  677. iSerial 1 0000:00:1a.0
  678. bNumConfigurations 1
  679. Configuration Descriptor:
  680. bLength 9
  681. bDescriptorType 2
  682. wTotalLength 25
  683. bNumInterfaces 1
  684. bConfigurationValue 1
  685. iConfiguration 0
  686. bmAttributes 0xe0
  687. Self Powered
  688. Remote Wakeup
  689. MaxPower 0mA
  690. Interface Descriptor:
  691. bLength 9
  692. bDescriptorType 4
  693. bInterfaceNumber 0
  694. bAlternateSetting 0
  695. bNumEndpoints 1
  696. bInterfaceClass 9 Hub
  697. bInterfaceSubClass 0 Unused
  698. bInterfaceProtocol 0 Full speed (or root) hub
  699. iInterface 0
  700. Endpoint Descriptor:
  701. bLength 7
  702. bDescriptorType 5
  703. bEndpointAddress 0x81 EP 1 IN
  704. bmAttributes 3
  705. Transfer Type Interrupt
  706. Synch Type None
  707. Usage Type Data
  708. wMaxPacketSize 0x0004 1x 4 bytes
  709. bInterval 12
  710. Hub Descriptor:
  711. bLength 9
  712. bDescriptorType 41
  713. nNbrPorts 3
  714. wHubCharacteristic 0x000a
  715. No power switching (usb 1.0)
  716. Per-port overcurrent protection
  717. bPwrOn2PwrGood 10 * 2 milli seconds
  718. bHubContrCurrent 0 milli Ampere
  719. DeviceRemovable 0x02
  720. PortPwrCtrlMask 0xff
  721. Hub Port Status:
  722. Port 1: 0000.0503 highspeed power enable connect
  723. Port 2: 0000.0100 power
  724. Port 3: 0000.0100 power
  725. Device Status: 0x0001
  726. Self Powered
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