Re: more help with multiple usb devices

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 On Wed Jan 21 17:59 , Yan Seiner  sent:

>sonofzev@xxxxxxxxxxxx wrote:
>> Thanks Yan 
>>
>> I did actually read this in my research. The documentation was a little too brief for me to extrapolate out for my needs. It may actually fix another problem I have with the default card but not this issue, which is to setup all MIDI devices in a specific order to make life easy. 
>>
>> I need all MIDI devices in my setup and I can't intuitively see how this will set the order in which the MIDI ports appear in ALSA  (and hence jack midi as a flow on). 
>>
>> I will try and work it out.. but I just can't see it from this yet. 
>>   
>Oh well, this won't let you set your cards in order.  The only way you 
>can do that is via udev.
>
>That wiki entry will allow you to set ALSA_CARD so that you use a 
>specific card of your choosing, no matter where it ends up at....
>
>udev really isn't that hard; what you want is to create a symlink 
>incorporating the physical path:
>
>KERNEL=="dsp*", \
>        SYMLINK+="sound/$env{PHYSDEVPATH}/dsp"
>
>I think that will work.
>
>Of course you end up with ridiculous device names like
>
>/dev/sound/devices/pci0000:00/0000:00:02.1/usb1/1-1/1-1.4/1-1.4.4/1-1.4.4.4/1-1.4.4.4.1/1-1.4.4.4.1:1.0/dsp
>
>(OK, that usb sound card is at the end of a daisy chain of 4 USB hubs, 
>but you get the idea.)
>
>You get names that don't change, but are not intuitive by any stretch of 
>the imagination.
>
>--Yan
>
>)

Cool, 

That sets up the device locations in /dev  according to their bus location so I'm assuming this sets up the order to be fixed.... 
It would be nice to setup them up in a preference order, however, this will probably do. 

I'll try this tonight after work

Thanks again. 

Allan 




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