Re: Fixed device number attribution

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Lee Revell wrote:
> On 9/6/07, Clemens Ladisch <cladisch@xxxxxxxxxxxxxx> wrote:
>> The snd-usb-audio has a "pid" parameter to specify that a device with a
>> certain product ID should go to a specifc index.  For example,
>>
>>         options snd-usb-audio index=1,2 pid=0x1234,0x5678
>>
>> would force the device with product ID 1234 to come first.
>
> What about multiple identical USB devices?  Surely there is some kind
> of hardware GUID that can be used, otherwise no OS could handle this
> case...

USB devices can have an optional serial number, but audio devices
usually don't have one.


Regards,
Clemens

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