Re: Experimental USB audio support

[Takashi Iwai <tiwai@suse.de>]

At Fri, 31 May 2002 11:38:53 +0200,
I wrote:
> 
> At Fri, 31 May 2002 18:23:31 +0900,
> Patrick Shirkey wrote:
> > 
> > Takashi Iwai wrote:
> > > 
> > 
> > > just run lsusb (as root) without options.  then it will list all
> > > devices out.  or, you can specify the vendor and device ids per -d
> > > option.  please send me the output.
> > > 
> > > 
> > 
> > I enventually managed to  get it. here it is again.
> > 
> > -----
> > 
> > Bus 001 Device 004: ID 0763:2001 Midiman 
> > Device Descriptor:
> >   bLength                18
> >   bDescriptorType         1
> >   bcdUSB               1.00
> >   bDeviceClass            0 Interface
> >   bDeviceSubClass         0 
> >   bDeviceProtocol         0 
> >   bMaxPacketSize0         8
> >   idVendor           0x0763 Midiman
> >   idProduct          0x2001 
> >   bcdDevice            1.01
> >   iManufacturer           1 M Audio
> >   iProduct                2 USB AudioSport Quattro (tm)
> >   iSerial                 0 
> >   bNumConfigurations      1
> > cannot get config descriptor 0, Connection timed out (110)
> 
> hmm...  that sounds bad...
> but the module is loaded successfuly?  then the descriptor itself can
> be got inside the kernel.
> ok, i'll put a /proc interface to dump the obtained descriptor.
> a moment please...

now a new version is cvs.  it dumps the descriptor at
/proc/asound/cardX/descriptor.  if the cvs servers is not sync'ed,
please let me know.  i'll send you a patch.

btw, you might try another hub module.  for uhci there are two
modules, uhci and usb-uhci.  i'm not sure which one is better,
though.


Takashi

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