Module aliases etc.

[Mark Morgan Lloyd <markMLl.debian-arm@telemetry.co.uk>]

I'm trying to disentangle some driver issues so that I can backport a 
module for a colleague with a weird peripheral. Can anybody tell me what 
the "b" field here is, and in particular the significance of the number 
(3 or 5 in the example below)?

alias:          hid:b0003g*v0000056Ep0000010D
alias:          hid:b0003g*v0000056Ep0000010C
alias:          hid:b0003g*v0000056Ep000000FF
alias:          hid:b0003g*v0000056Ep000000FE
alias:          hid:b0005g*v0000056Ep00000061

I'd assumed from udev/hwdb that it was a bus identifier applicable to 
something that was actually plugged in, but I'm curious to see it 
varying on a virgin system that's never seen the peripheral in question.

--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]