Hi list, here's the device descriptor of a Canon PowerShot A20. Has anyone seen the descriptors of other Canon cameras ? It reminded me of a storage device with CBI protocol. However adding it to the unusual devices list doesn't work "IRQ too short". Regards Oliver T: Bus=01 Lev=02 Prnt=03 Port=00 Cnt=01 Dev#= 7 Spd=12 MxCh= 0 D: Ver= 1.00 Cls=ff(vend.) Sub=ff Prot=ff MxPS=32 #Cfgs= 1 P: Vendor=04a9 ProdID=304e Rev= 0.01 S: Manufacturer=Canon Inc. S: Product=PowerShot A20 C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=100mA I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none) E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl= 0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl= 0ms E: Ad=83(I) Atr=03(Int.) MxPS= 64 Ivl= 96ms _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: http://lists.sourceforge.net/lists/listinfo/linux-usb-devel