From mboxrd@z Thu Jan  1 00:00:00 1970
From: Grant Diffey <gdiffey@gmail.com>
Subject: Re: Alsa Support for Korg Pandora Mini, Vox ToneLab ST
Date: Mon, 16 May 2011 03:54:04 +1000
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To: Daniel Mack <zonque@gmail.com>
Cc: =?ISO-8859-1?Q?Fr=E9d=E9ric_Jaume?= <frederic.jaume@gmail.com>, alsa-devel@alsa-project.org, Clemens Ladisch <clemens@ladisch.de>
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On Sun, May 15, 2011 at 4:16 AM, Daniel Mack <zonque@gmail.com> wrote:

> On Sat, May 14, 2011 at 7:24 PM, Daniel Mack <zonque@gmail.com> wrote:
> > 2011/5/14 Grant Diffey <gdiffey@gmail.com>:
> >> HI everyone
> >>
> >> Is this possibly related to the usb midi regression felix and members of
> >> this list were discussing a while ago with the fast track ultra which is
> >> another usb composite device?
> >
> > Possibly, yes. A dump generated by "lsusb -v" with this device
> > attached would help.
>
> And just guessing, but does reverting 7b6717e ("ALSA: usb-audio:
> Assume first control interface is for audio") help such devices?
>
>
> Daniel
>
So I reverted  7b6717e and... Nope. still no midi ports.


Kernel messages are:

[  131.484053] usb 3-1: new high speed USB device using ehci_hcd and address
3
[  131.617753] usb 3-1: config 1 interface 3 altsetting 0 bulk endpoint 0x7
has invalid maxpacket 8
[  131.617760] usb 3-1: config 1 interface 3 altsetting 0 bulk endpoint 0x87
has invalid maxpacket 8
[  131.618750] usb 3-1: New USB device found, idVendor=0763, idProduct=2080
[  131.618754] usb 3-1: New USB device strings: Mfr=1, Product=2,
SerialNumber=0
[  131.618756] usb 3-1: Product: Fast Track Ultra
[  131.618758] usb 3-1: Manufacturer: M-Audio
[  132.767312] usbcore: registered new interface driver snd-usb-audio

And amidi -l reports

nevyn@cetacea:~/linux$ amidi -l
Dir Device    Name

the hack mentioned earlier of setting the quirk STANDARD_MIDI_INTERFACE that
clemens suggested does work but I'm not sure it's the "right" answer to the
problem.

Grant