Bluetooth BCM42143

$sudo modprobe -r btusb
$sudo modprobe btusb

$hcitool dev
$Devices:

sudo dmesg | grep -i bluetooth
[   73.868451] Bluetooth: Core ver 2.19
[   73.868469] Bluetooth: HCI device and connection manager initialized
[   73.868474] Bluetooth: HCI socket layer initialized
[   73.868476] Bluetooth: L2CAP socket layer initialized
[   73.868483] Bluetooth: SCO socket layer initialized
[   73.920565] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   73.920568] Bluetooth: BNEP filters: protocol multicast
[   73.920575] Bluetooth: BNEP socket layer initialized
[   95.233324] Bluetooth: RFCOMM TTY layer initialized
[   95.233335] Bluetooth: RFCOMM socket layer initialized
[   95.233339] Bluetooth: RFCOMM ver 1.11

$sudo service bluetooth status
● bluetooth.service - Bluetooth service
   Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled)
   Active: active (running) since Вс 2015-04-26 16:46:24 YEKT; 3h 44min ago
     Docs: man:bluetoothd(8)
 Main PID: 2462 (bluetoothd)
   Status: "Running"
   CGroup: /system.slice/bluetooth.service
           └─2462 /usr/lib/bluetooth/bluetoothd

апр 26 16:46:24 username bluetoothd[2462]: Bluetooth daemon 5.23
апр 26 16:46:24 username bluetoothd[2462]: Starting SDP server
апр 26 16:46:24 username bluetoothd[2462]: Bluetooth management interface 1.6 initialized

$sudo rfkill list all
0: ideapad_wlan: Wireless LAN
        Soft blocked: no
        Hard blocked: no
1: ideapad_bluetooth: Bluetooth
        Soft blocked: no
        Hard blocked: no
2: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no