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> You need to familiarize yourself with the linux/include/linux/usb*.h files.
>
> From 2.4.21, usb.h says:
>
> #define USB_DEVICE_VER(vend,prod,lo,hi) \
>       match_flags: USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION, idVendor: (vend),
> idProduct: (prod), bcdDevice_lo: (lo), bcdDevice_hi: (hi)
>
> so this macro specifies vendorID, productID, Device version (low
> threshold), and Device version (high threshold).
>
> Then device matching is done on all of those parameters.
> In the ibmcam example, that entry only matches the VENDOR/PRODUCT IDs
> with device version == 2.

Okay so is this the major device version? My device reports a version number 
1.00 in /proc/bus/usb/devices, so if I set 0x0001, 0x0001 will this match 
this version number? Thanks,

David

- -- 
It's not that engineers are boring people, we just get excited about boring 
things.
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