Comment 38 for bug 1389716

Also not working in Ubuntu 16.04:
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uname -a:

Linux msi 4.4.0-2-generic #16-Ubuntu SMP Thu Jan 28 15:44:21 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
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hwinfo | grep bluetooth:

  E: KEYBOARD_KEY_e2=bluetooth
  bluetooth 520192 10 ath3k,bnep,btusb,btrtl,btbcm,btintel, Live 0x0000000000000000
  Hardware Class: bluetooth
io@msi:~$ hwinfo | grep Bluetooth
  E: ID_MODEL_FROM_DATABASE=AR3012 Bluetooth 4.0
  E: ID_MODEL_FROM_DATABASE=AR3012 Bluetooth 4.0
  E: ID_USB_PROTOCOL_FROM_DATABASE=Bluetooth
  E: ID_MODEL_FROM_DATABASE=AR3012 Bluetooth 4.0
  E: ID_USB_PROTOCOL_FROM_DATABASE=Bluetooth
  <6>[ 2.364998] Bluetooth: L2CAP socket layer initialized
  <6>[ 2.365002] Bluetooth: SCO socket layer initialized
  <6>[ 6.259581] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
  <6>[ 6.259584] Bluetooth: BNEP filters: protocol multicast
  <6>[ 6.259587] Bluetooth: BNEP socket layer initialized
  <3>[ 9.037400] Bluetooth: Patch file not found ar3k/AthrBT_0x00000200.dfu
  <3>[ 9.037402] Bluetooth: Loading patch file failed
60: USB 00.0: 11500 Bluetooth Device
  Model: "Atheros AR3012 Bluetooth 4.0"
  Device: usb 0x3004 "AR3012 Bluetooth 4.0"
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dmesg:

[ 9.037396] usb 1-1.3: Direct firmware load for ar3k/AthrBT_0x00000200.dfu failed with error -2
[ 9.037400] Bluetooth: Patch file not found ar3k/AthrBT_0x00000200.dfu
[ 9.037402] Bluetooth: Loading patch file failed
[ 9.037406] ath3k: probe of 1-1.3:1.0 failed with error -2
[ 9.037440] usbcore: registered new interface driver ath3k