surface pro 3 - power button not detected - usb-devices output plus stderror at end

sp3pwrbtn-usb-devices

T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480 MxCh= 9
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=1d6b ProdID=0002 Rev=03.16
S:  Manufacturer=Linux 3.16.1-1-ARCH xhci_hcd
S:  Product=xHCI Host Controller
S:  SerialNumber=0000:00:14.0
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=480 MxCh= 3
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=0409 ProdID=005a Rev=01.00
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

T:  Bus=01 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#=  5 Spd=12  MxCh= 0
D:  Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=0853 ProdID=0100 Rev=01.02
S:  Manufacturer=Topre Corporation
S:  Product=HHKB Professional
C:  #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=100mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=03(HID  ) Sub=01 Prot=01 Driver=usbhid

T:  Bus=01 Lev=02 Prnt=02 Port=02 Cnt=02 Dev#=  6 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=0781 ProdID=5571 Rev=01.26
S:  Manufacturer=SanDisk
S:  Product=Cruzer Fit
S:  SerialNumber=4C532000000918109240
C:  #Ifs= 0 Cfg#= 0 Atr= MxPwr=
I:  If#= 0 Alt= 0 #EPs= 0 Cls=() Sub= Prot= Driver=

T:  Bus=01 Lev=01 Prnt=01 Port=05 Cnt=02 Dev#=  7 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=1286 ProdID=204b Rev=32.01
S:  Manufacturer=Marvell
S:  Product=Bluetooth and Wireless LAN Composite Device
S:  SerialNumber=0000000000000000
C:  #Ifs= 3 Cfg#= 1 Atr=a0 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
I:  If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
I:  If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=04 Prot=01 Driver=(none)

T:  Bus=01 Lev=01 Prnt=01 Port=06 Cnt=03 Dev#=  3 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=045e ProdID=07be Rev=21.52
S:  Manufacturer=QCM
S:  Product=Microsoft LifeCam Front
C:  #Ifs= 3 Cfg#= 1 Atr=80 MxPwr=250mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=0e(video) Sub=01 Prot=01 Driver=(none)
I:  If#= 1 Alt= 0 #EPs= 0 Cls=0e(video) Sub=02 Prot=01 Driver=(none)
I:  If#= 2 Alt= 0 #EPs= 0 Cls=0e(video) Sub=02 Prot=01 Driver=(none)

T:  Bus=01 Lev=01 Prnt=01 Port=07 Cnt=04 Dev#=  4 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=045e ProdID=07bf Rev=21.52
S:  Manufacturer=QCM
S:  Product=Microsoft LifeCam Rear
C:  #Ifs= 3 Cfg#= 1 Atr=80 MxPwr=250mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=0e(video) Sub=01 Prot=01 Driver=(none)
I:  If#= 1 Alt= 0 #EPs= 0 Cls=0e(video) Sub=02 Prot=01 Driver=(none)
I:  If#= 2 Alt= 0 #EPs= 0 Cls=0e(video) Sub=02 Prot=01 Driver=(none)

T:  Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=5000 MxCh= 4
D:  Ver= 3.00 Cls=09(hub  ) Sub=00 Prot=03 MxPS= 9 #Cfgs=  1
P:  Vendor=1d6b ProdID=0003 Rev=03.16
S:  Manufacturer=Linux 3.16.1-1-ARCH xhci_hcd
S:  Product=xHCI Host Controller
S:  SerialNumber=0000:00:14.0
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

T:  Bus=02 Lev=01 Prnt=01 Port=03 Cnt=01 Dev#=  2 Spd=5000 MxCh= 0
D:  Ver= 3.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs=  1
P:  Vendor=0bda ProdID=0307 Rev=01.29
S:  Manufacturer=Realtek
S:  Product=USB3.0 Card Reader
S:  SerialNumber=201006010301
C:  #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=800mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage

stderror:
cat: /sys/bus/usb/devices/usb1/1-1/1-1.3/1-*:?.*/bInterfaceNumber: No such file or directory
cat: /sys/bus/usb/devices/usb1/1-1/1-1.3/1-*:?.*/bAlternateSetting: No such file or directory
cat: /sys/bus/usb/devices/usb1/1-1/1-1.3/1-*:?.*/bNumEndpoints: No such file or directory
cat: /sys/bus/usb/devices/usb1/1-1/1-1.3/1-*:?.*/bInterfaceClass: No such file or directory
cat: /sys/bus/usb/devices/usb1/1-1/1-1.3/1-*:?.*/bInterfaceSubClass: No such file or directory
cat: /sys/bus/usb/devices/usb1/1-1/1-1.3/1-*:?.*/bInterfaceProtocol: No such file or directory
/usr/bin/usb-devices: line 79: printf: (none): invalid number