Hi Alan, Please find the usbmon dump. c0388a40 230020013 C Ii:001:01 0 1 D c0388a40 230020067 S Ii:001:01 -115 2 D c38dc0c0 230020090 S Ci:001:00 s a3 00 0000 0001 0004 4 < c38dc0c0 230020099 C Ci:001:00 0 4 = 01010100 c38dc0c0 230020108 S Co:001:00 s 23 01 0010 0001 0000 0 c38dc0c0 230020114 C Co:001:00 0 0 c38dc0c0 230020122 S Ci:001:00 s a3 00 0000 0001 0004 4 < c38dc0c0 230020127 C Ci:001:00 0 4 = 01010000 c38dc0c0 230060034 S Ci:001:00 s a3 00 0000 0001 0004 4 < c38dc0c0 230060059 C Ci:001:00 0 4 = 01010000 c38dc0c0 230100031 S Ci:001:00 s a3 00 0000 0001 0004 4 < c38dc0c0 230100052 C Ci:001:00 0 4 = 01010000 c38dc0c0 230140033 S Ci:001:00 s a3 00 0000 0001 0004 4 < c38dc0c0 230140054 C Ci:001:00 0 4 = 01010000 c38dc0c0 230180031 S Ci:001:00 s a3 00 0000 0001 0004 4 < c38dc0c0 230180051 C Ci:001:00 0 4 = 01010000 c38dc0c0 230180093 S Co:001:00 s 23 03 0004 0001 0000 0 c38dc0c0 230200024 C Co:001:00 0 0 c38dc0c0 230260025 S Ci:001:00 s a3 00 0000 0001 0004 4 < c38dc0c0 230260046 C Ci:001:00 0 4 = 03011000 c0388a40 230270049 C Ii:001:01 0 1 D c0388a40 230270066 S Ii:001:01 -115 2 D c38dc0c0 230430034 S Co:001:00 s 23 01 0014 0001 0000 0 c38dc0c0 230430060 C Co:001:00 0 0 c38dc0c0 230430125 S Ci:000:00 s 80 06 0100 0000 0040 64 < c38dc0c0 230431308 C Ci:000:00 0 18 = 12011001 00000040 3a160100 00010102 0001 c38dc0c0 230433574 S Co:001:00 s 23 03 0004 0001 0000 0 c38dc0c0 230450061 C Co:001:00 0 0 c0388a40 230520018 C Ii:001:01 0 1 D c0388a40 230520038 S Ii:001:01 -115 2 D c38dc0c0 230660026 S Ci:001:00 s a3 00 0000 0001 0004 4 < c38dc0c0 230660048 C Ci:001:00 0 4 = 03011000 c0388a40 230770015 C Ii:001:01 0 1 D c0388a40 230770031 S Ii:001:01 -115 2 D c38dc0c0 230830024 S Co:001:00 s 23 01 0014 0001 0000 0 c38dc0c0 230830044 C Co:001:00 0 0 c38dc0c0 230830060 S Co:000:00 s 00 05 0002 0000 0000 0 c38dc0c0 230830304 C Co:000:00 0 0 c38dc0c0 230850038 S Ci:002:00 s 80 06 0100 0000 0012 18 < c38dc0c0 230851312 C Ci:002:00 0 18 = 12011001 00000040 3a160100 00010102 0001 c38dc0c0 230852065 S Ci:002:00 s 80 06 0200 0000 0009 9 < c38dc0c0 230853308 C Ci:002:00 0 9 = 09021900 01010040 32 c38dc0c0 230859277 S Ci:002:00 s 80 06 0200 0000 0019 25 < c38dc0c0 230860307 C Ci:002:00 0 25 = 09021900 01010040 32090400 00000000 00000705 00004000 0a c38dc0c0 230863509 S Ci:002:00 s 80 06 0300 0000 00ff 255 < c38dc0c0 230864316 C Ci:002:00 0 255 = 80060003 0000ff00 32090400 00000000 00000705 00004000 0a000000 00000000 c38dc0c0 230864385 S Ci:002:00 s 80 06 0302 0300 00ff 255 < c38dc0c0 230866307 C Ci:002:00 0 255 = 80060203 0003ff00 32090400 00000000 00000705 00004000 0a000000 00000000 c38dc0c0 230866521 S Ci:002:00 s 80 06 0301 0300 00ff 255 < c38dc0c0 230868304 C Ci:002:00 0 255 = 80060103 0003ff00 32090400 00000000 00000705 00004000 0a000000 00000000 c38dc0c0 230871004 S Co:002:00 s 00 09 0001 0000 0000 0 c38dc0c0 230871313 C Co:002:00 0 0 c38dc0c0 230871901 S Ci:001:00 s a3 00 0000 0001 0004 4 < c38dc0c0 230871918 C Ci:001:00 0 4 = 03010000 Thanks, Vinai. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html