[alsa-devel] AKAI EIE PRO

[humbert.olivier.1 at free.fr]

On 09/07/2014 01:30 PM, humbert.olivier.1 at free.fr wrote:
>>> if that can help, we had an user on http://www.linuxmao.org with an EIE PRO.
>>> Here you have his lsusb -v :
>>> 
>>> Bus 001 Device 006: ID 09e8:0010 AKAI  Professional M.I. Corp. 
>>> Couldn't open device, some information will be missing
>>> Device Descriptor:
>>>   bLength                18
>>>   bDescriptorType         1
>>>   bcdUSB               2.00
>>>   bDeviceClass          255 Vendor Specific Class
>>>   bDeviceSubClass       255 Vendor Specific Subclass
>>>   bDeviceProtocol       255 Vendor Specific Protocol
>>
>> According to the tech specs, this should be a USB hub, but it isn't. Or
>> is this just one of the sub-devices? What does 'lsusb -t' say, and does
>> Linux see something like a mouse or mass storage device when connected
>> to one of the hub ports?
>
>[...zip...]
>
>Hi Daniel and all,
>
>A linuxmao.org user gave answers to these questions today. Here you go:
>
>maxime at Ubuntu-MAO:~$ lsusb -t
>/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
>/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M
>    |__ Port 2: Dev 4, If 0, Class=Hub, Driver=hub/4p, 480M
>       |__ Port 4: Dev 5, If 0, Class=Vendor Specific Class, Driver=, 480M
>        |__ Port 4: Dev 5, If 1, Class=Vendor Specific Class, Driver=, 480M
>    |__ Port 3: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M
>    |__ Port 3: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M
>/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
>    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
>/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
>    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
>        |__ Port 2: Dev 6, If 0, Class=Human Interface Device, Driver=usbhid, 12M
>        |__ Port 2: Dev 6, If 1, Class=Human Interface Device, Driver=usbhid, 12M
>        |__ Port 3: Dev 5, If 0, Class=Video, Driver=uvcvideo, 480M
>        |__ Port 3: Dev 5, If 1, Class=Video, Driver=uvcvideo, 480M
>
>
>maxime at Ubuntu-MAO:~$ dmesg | tail
>[12078.955863] usb 3-2: New USB device found, idVendor=0409, idProduct=005a
>[12078.955870] usb 3-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
>[12078.956401] hub 3-2:1.0: USB hub found
>[12078.956452] hub 3-2:1.0: 4 ports detected
>[12079.243626] usb 3-2.4: new high-speed USB device number 7 using xhci_hcd
>[12079.348372] usb 3-2.4: New USB device found, idVendor=09e8, idProduct=0010
>[12079.348379] usb 3-2.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
>[12079.348383] usb 3-2.4: Product: EIE pro
>[12079.348386] usb 3-2.4: Manufacturer: Akai Professional, LP
>[12079.348389] usb 3-2.4: SerialNumber: no serial number
>
>I'll be asking him to try connecting a mouse to one of the hub port and to get a dmesg from there.
>
>Hope that can help in any way. If you would need some more information, please let me know.
>
>Olivier
>
>source : http://www.linuxmao.org/tiki-view_forum_thread.php?forumId=2&comments_parentId=56440#threadId58184

Hi to everyone,
I've been asking the user to test the USB hub thing. He did and it worked as usual. He tried twice, once with a mouse and the other with an external hard-drive. 

Hope that helps.
Olivier