--- before.txt	2014-03-19 10:50:05.577916979 +0800
+++ after.txt	2014-03-19 10:50:31.717067129 +0800
@@ -36,7 +36,18 @@
 C:  #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=200mA
 I:  If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
 
-T:  Bus=01 Lev=03 Prnt=04 Port=02 Cnt=02 Dev#=  7 Spd=1.5 MxCh= 0
+T:  Bus=01 Lev=03 Prnt=04 Port=01 Cnt=02 Dev#=  8 Spd=12  MxCh= 0
+D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
+P:  Vendor=17a0 ProdID=0302 Rev=01.00
+S:  Manufacturer=Samson Technologies
+S:  Product=Samson GoMic
+C:  #Ifs= 4 Cfg#= 1 Atr=80 MxPwr=100mA
+I:  If#= 0 Alt= 0 #EPs= 0 Cls=01(audio) Sub=01 Prot=00 Driver=snd-usb-audio
+I:  If#= 1 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
+I:  If#= 2 Alt= 0 #EPs= 0 Cls=01(audio) Sub=02 Prot=00 Driver=snd-usb-audio
+I:  If#= 3 Alt= 0 #EPs= 1 Cls=03(HID  ) Sub=00 Prot=00 Driver=usbhid
+
+T:  Bus=01 Lev=03 Prnt=04 Port=02 Cnt=03 Dev#=  7 Spd=1.5 MxCh= 0
 D:  Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
 P:  Vendor=13ba ProdID=0001 Rev=01.00
 C:  #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=100mA