Unknown USB bridge [0x4971:0x8017 (0x8105)] works with -d sat

[Viktor Suprun]

Tested on Raspbian with smartctl 6.5 2015-06-04 r4110 [armv6l-linux-3.18.11+].

Used devices:
USB HDD BOX Agestar 3ub3a8
WD-RED 3TB

root@raspberrypi:~/smartmontools# /usr/local/sbin/smartctl -a /dev/sda
smartctl 6.5 2015-06-04 r4110 [armv6l-linux-3.18.11+] (local build)
Copyright (C) 2002-15, Bruce Allen, Christian Franke, www.smartmontools.org

/dev/sda: Unknown USB bridge [0x4971:0x8017 (0x8105)]
Please specify device type with the -d option.

But

root@raspberrypi:~/smartmontools# /usr/local/sbin/smartctl -d sat -a /dev/sda
smartctl 6.5 2015-06-04 r4110 [armv6l-linux-3.18.11+] (local build)
Copyright (C) 2002-15, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:     Western Digital Red
Device Model:     WDC WD30EFRX-68EUZN0
Serial Number:    WD-WCC4N7UHYTXY
LU WWN Device Id: 5 0014ee 20bd091e8
Firmware Version: 82.00A82
User Capacity:    3,000,592,982,016 bytes [3.00 TB]
Sector Sizes:     512 bytes logical, 4096 bytes physical
Rotation Rate:    5400 rpm
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   ACS-2 (minor revision not indicated)
SATA Version is:  SATA 3.0, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is:    Wed Jun 24 00:32:32 2015 UTC
SMART support is: Available - device has SMART capability.
SMART support is: Enabled