On Tue, 10 Feb 2004, Frank Barknecht wrote:

> Hallo,
> Bill Unruh hat gesagt: // Bill Unruh wrote:
> 
> > On Mon, 9 Feb 2004, Stuart Pook wrote:
> > 
> > > On Sun, 08 Feb 2004, Bill Unruh wrote:
> > > 
> > > Has any one used the M-Audio Transit USB with Linux 2.6?
> > > Frank Barknecht tested the device with 2.6 but I
> > > guess that his tests were done without the firmware loaded
> > > (http://www.mail-archive.com/[EMAIL PROTECTED]/msg11859.html).
> 
> I didn't test with the kludge. Of course I believe Bill, that it is
> successful, and something like that will get included in ALSA sooner
> or later, but for the purpose of my test I still considered the

I really really hope that something better than the kludge gets
included!


> Transit as not supported yet, because I'd consider the hassles still a
> bit too much for the target audience. For the adventurous I included
> the link to the archives.
> 
> > > Can you add the output of lsusb -vv (run as root) before and after loading
> > > the firmware to your web page (or mail them to me)?  That way I can at
> > > least check if all the alternative interfaces are correctly numbered.
> > 
> > Sure, they are attached to the end.
> 
> Looking for the alt settings error is easier with this command:  
> $ cat /proc/bus/usb/devices | grep Alt

wanderer[unruh]>cat /proc/bus/usb/devices|grep Alt
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
I:  If#= 0 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=snd-usb-audio
I:  If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
I:  If#= 1 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
I:  If#= 1 Alt= 2 #EPs= 2 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
I:  If#= 1 Alt= 3 #EPs= 2 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
I:  If#= 1 Alt= 4 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
I:  If#= 1 Alt= 5 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
I:  If#= 2 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
I:  If#= 2 Alt= 1 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
I:  If#= 2 Alt= 2 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
I:  If#= 2 Alt= 3 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

The above is using Takashi's latest patches which split off the
formatIII into a separate stream.

I assume this is the correct numbering.

Kernel 2.4.22 Alsa 1.0.2 with Takashi's patch.



> 
> And this is an excerpt of the Quattro's output, captured on kernel
> 2.4: 
> 
> I:  If#= 0 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=snd-usb-audio
> I:  If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
> I:  If#= 1 Alt= 4 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
> I:  If#= 2 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
> I:  If#= 2 Alt= 4 #EPs= 1 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
> ...
> 
> Here If# 1 and If# 2 (there are more) both have invalid alt settings
> numbers, namely 0 and 4. Let's just hope, it breaks in the next OS-X
> kernel as well. ;)
> 
> ciao
> 

-- 
William G. Unruh   |  Canadian Institute for|     Tel: +1(604)822-3273
Physics&Astronomy  |     Advanced Research  |     Fax: +1(604)822-5324
UBC, Vancouver,BC  |   Program in Cosmology |     [EMAIL PROTECTED]
Canada V6T 1Z1     |      and Gravity       |  www.theory.physics.ubc.ca/


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