[LAU] Roland A500S: snd-usb-audio error -5

From: Francesco Ariis <fa-ml@email-addr-hidden>
Date: Sat Jan 28 2017 - 10:45:27 EET

Hello linux-audio users,

    I recently acquired a roland a-500s midi keyboard and I have problems
using it under linux. When I connect the device via usb, dmesg tells me
this:

[ 68.100184] usb 3-1: USB disconnect, device number 2
[ 73.700119] usb 3-1: new full-speed USB device number 3 using uhci_hcd
[ 73.860157] usb 3-1: New USB device found, idVendor=0582, idProduct=010d
[ 73.860162] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 73.860165] usb 3-1: Product: A-500S
[ 73.860169] usb 3-1: Manufacturer: ROLAND
[ 73.867172] snd-usb-audio: probe of 3-1:1.0 failed with error -5

And this is the relevant portion of lsusb -v:

Bus 003 Device 003: ID 0582:010d Roland Corp. A-500S
Device Descriptor:
  bLength 18
  bDescriptorType 1
  bcdUSB 1.10
  bDeviceClass 255 Vendor Specific Class
  bDeviceSubClass 0
  bDeviceProtocol 255
  bMaxPacketSize0 64
  idVendor 0x0582 Roland Corp.
  idProduct 0x010d A-500S
  bcdDevice 1.00
  iManufacturer 1
  iProduct 2
  iSerial 0
  bNumConfigurations 1
  Configuration Descriptor:
    bLength 9
    bDescriptorType 2
    wTotalLength 32
    bNumInterfaces 1
    bConfigurationValue 1
    iConfiguration 0
    bmAttributes 0x80
      (Bus Powered)
    MaxPower 150mA
    Interface Descriptor:
      bLength 9
      bDescriptorType 4
      bInterfaceNumber 0
      bAlternateSetting 0
      bNumEndpoints 2
      bInterfaceClass 255 Vendor Specific Class
      bInterfaceSubClass 3
      bInterfaceProtocol 0
      iInterface 0
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x02 EP 2 OUT
        bmAttributes 2
          Transfer Type Bulk
          Synch Type None
          Usage Type Data
        wMaxPacketSize 0x0040 1x 64 bytes
        bInterval 0
      Endpoint Descriptor:
        bLength 7
        bDescriptorType 5
        bEndpointAddress 0x81 EP 1 IN
        bmAttributes 2
          Transfer Type Bulk
          Synch Type None
          Usage Type Data
        wMaxPacketSize 0x0040 1x 64 bytes
        bInterval 0

I am running debian stable (8) and my machine is a lenovo thinkpad
x60s, any help appreciated!
-F
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Received on Sat Jan 28 12:15:02 2017

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