* lsusb -v for AKAI's new EIE pro interface
@ 2012-03-30 22:03 Grant Diffey
2012-04-02 8:04 ` Clemens Ladisch
0 siblings, 1 reply; 2+ messages in thread
From: Grant Diffey @ 2012-03-30 22:03 UTC (permalink / raw)
To: alsa-devel, Clemens Ladisch, Daniel Mack
So device is 4 in 4 out with inserts and midi
Composite with 2 interfaces. I can't tell if they're independent midi and
audio or more essoteric
anyone want to take a punt?
1. Bus 001 Device 012: ID 09e8:0010 AKAI Professional M.I. Corp.
2. Device Descriptor:
3. bLength 18
4. bDescriptorType 1
5. bcdUSB 2.00
6. bDeviceClass 255 Vendor Specific Class
7. bDeviceSubClass 255 Vendor Specific Subclass
8. bDeviceProtocol 255 Vendor Specific Protocol
9. bMaxPacketSize0 64
10. idVendor 0x09e8 AKAI Professional M.I. Corp.
11. idProduct 0x0010
12. bcdDevice 2.00
13. iManufacturer 1
14. iProduct 2
15. iSerial 3
16. bNumConfigurations 1
17. Configuration Descriptor:
18. bLength 9
19. bDescriptorType 2
20. wTotalLength 80
21. bNumInterfaces 2
22. bConfigurationValue 1
23. iConfiguration 0
24. bmAttributes 0x40
25. (Missing must-be-set bit!)
26. Self Powered
27. MaxPower 0mA
28. Interface Descriptor:
29. bLength 9
30. bDescriptorType 4
31. bInterfaceNumber 0
32. bAlternateSetting 0
33. bNumEndpoints 0
34. bInterfaceClass 255 Vendor Specific Class
35. bInterfaceSubClass 0
36. bInterfaceProtocol 0
37. iInterface 0
38. Interface Descriptor:
39. bLength 9
40. bDescriptorType 4
41. bInterfaceNumber 0
42. bAlternateSetting 1
43. bNumEndpoints 3
44. bInterfaceClass 255 Vendor Specific Class
45. bInterfaceSubClass 0
46. bInterfaceProtocol 0
47. iInterface 0
48. Endpoint Descriptor:
49. bLength 7
50. bDescriptorType 5
51. bEndpointAddress 0x02 EP 2 OUT
52. bmAttributes 5
53. Transfer Type Isochronous
54. Synch Type Asynchronous
55. Usage Type Data
56. wMaxPacketSize 0x009c 1x 156 bytes
57. bInterval 1
58. Endpoint Descriptor:
59. bLength 7
60. bDescriptorType 5
61. bEndpointAddress 0x83 EP 3 IN
62. bmAttributes 2
63. Transfer Type Bulk
64. Synch Type None
65. Usage Type Data
66. wMaxPacketSize 0x0200 1x 512 bytes
67. bInterval 4
68. Endpoint Descriptor:
69. bLength 7
70. bDescriptorType 5
71. bEndpointAddress 0x04 EP 4 OUT
72. bmAttributes 2
73. Transfer Type Bulk
74. Synch Type None
75. Usage Type Data
76. wMaxPacketSize 0x0200 1x 512 bytes
77. bInterval 4
78. Interface Descriptor:
79. bLength 9
80. bDescriptorType 4
81. bInterfaceNumber 1
82. bAlternateSetting 0
83. bNumEndpoints 0
84. bInterfaceClass 255 Vendor Specific Class
85. bInterfaceSubClass 0
86. bInterfaceProtocol 0
87. iInterface 0
88. Interface Descriptor:
89. bLength 9
90. bDescriptorType 4
91. bInterfaceNumber 1
92. bAlternateSetting 1
93. bNumEndpoints 2
94. bInterfaceClass 255 Vendor Specific Class
95. bInterfaceSubClass 0
96. bInterfaceProtocol 0
97. iInterface 0
98. Endpoint Descriptor:
99. bLength 7
100. bDescriptorType 5
101. bEndpointAddress 0x81 EP 1 IN
102. bmAttributes 5
103. Transfer Type Isochronous
104. Synch Type Asynchronous
105. Usage Type Data
106. wMaxPacketSize 0x0040 1x 64 bytes
107. bInterval 4
108. Endpoint Descriptor:
109. bLength 7
110. bDescriptorType 5
111. bEndpointAddress 0x86 EP 6 IN
112. bmAttributes 2
113. Transfer Type Bulk
114. Synch Type None
115. Usage Type Data
116. wMaxPacketSize 0x0200 1x 512 bytes
117. bInterval 1
118. Device Status: 0x9000
119. (Bus Powered)
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: lsusb -v for AKAI's new EIE pro interface
2012-03-30 22:03 lsusb -v for AKAI's new EIE pro interface Grant Diffey
@ 2012-04-02 8:04 ` Clemens Ladisch
0 siblings, 0 replies; 2+ messages in thread
From: Clemens Ladisch @ 2012-04-02 8:04 UTC (permalink / raw)
To: Grant Diffey; +Cc: alsa-devel, Daniel Mack
Grant Diffey wrote:
> So device is 4 in 4 out with inserts and midi
>
> Composite with 2 interfaces. I can't tell if they're independent midi and
> audio or more essoteric
>
> anyone want to take a punt?
>
> 6. bDeviceClass 255 Vendor Specific Class
> 7. bDeviceSubClass 255 Vendor Specific Subclass
> 8. bDeviceProtocol 255 Vendor Specific Protocol
So far, so bad.
> 38. Interface Descriptor:
> 51. bEndpointAddress 0x02 EP 2 OUT
> 53. Transfer Type Isochronous
> 61. bEndpointAddress 0x83 EP 3 IN
> 63. Transfer Type Bulk
> 71. bEndpointAddress 0x04 EP 4 OUT
> 73. Transfer Type Bulk
Using bulk endpoints in an interface also used for isochronous
transfers is not supported by the current driver.
Regards,
Clemens
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