Lenovo B300 bluetooth adapter not detected

lspci
00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev 03)
00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 01)
00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 01)
00:1c.1 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 2 (rev 01)
00:1c.2 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 3 (rev 01)
00:1c.3 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 4 (rev 01)
00:1d.0 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 (rev 01)
00:1d.1 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 01)
00:1d.2 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 01)
00:1d.3 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 01)
00:1d.7 USB controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01)
00:1f.2 IDE interface: Intel Corporation N10/ICH7 Family SATA Controller [IDE mode] (rev 01)
00:1f.3 SMBus: Intel Corporation N10/ICH 7 Family SMBus Controller (rev 01)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)
02:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01)
03:00.0 FireWire (IEEE 1394): JMicron Technology Corp. IEEE 1394 Host Controller (rev 30)
03:00.1 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 30)
03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 30)
03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 30)
03:00.4 System peripheral: JMicron Technology Corp. xD Host Controller (rev 30)

lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
Bus 001 Device 003: ID 0ac8:c412 Z-Star Microelectronics Corp.
Bus 001 Device 004: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
Bus 001 Device 005: ID 0a5c:4502 Broadcom Corp. Keyboard (Boot Interface Subclass)
Bus 001 Device 006: ID 0a5c:4503 Broadcom Corp. Mouse (Boot Interface Subclass)

lsmod
Module Size Used by
pci_stub 12622 1
vboxpci 23200 0
vboxnetadp 13382 0
vboxnetflt 23441 0
vboxdrv 287082 3 vboxpci,vboxnetadp,vboxnetflt
bnep 18139 2
rfcomm 46621 4
bluetooth 209092 10 bnep,rfcomm
compat 13447 3 bnep,rfcomm,bluetooth
parport_pc 32866 0
ppdev 17113 0
binfmt_misc 17540 1
dm_crypt 23125 0
arc4 12529 2
ath9k 132390 0
mac80211 506816 1 ath9k
ath9k_common 14053 1 ath9k
ath9k_hw 411112 2 ath9k,ath9k_common
ath 24067 3 ath9k,ath9k_common,ath9k_hw
snd_hda_codec_realtek 223867 1
joydev 17693 0
usbhid 47199 0
hid 99559 1 usbhid
snd_hda_intel 33773 3
snd_hda_codec 127706 2 snd_hda_codec_realtek,snd_hda_intel
snd_usb_audio 122982 1
uvcvideo 72627 0
videodev 98259 1 uvcvideo
snd_hwdep 13668 2 snd_hda_codec,snd_usb_audio
snd_usbmidi_lib 25395 1 snd_usb_audio
snd_pcm 97188 3 snd_hda_intel,snd_hda_codec,snd_usb_audio
v4l2_compat_ioctl32 17128 1 videodev
psmouse 87692 0
cfg80211 205544 3 ath9k,mac80211,ath
snd_seq_midi 13324 0
snd_rawmidi 30748 2 snd_usbmidi_lib,snd_seq_midi
snd_seq_midi_event 14899 1 snd_seq_midi
snd_seq 61896 2 snd_seq_midi,snd_seq_midi_event
serio_raw 13211 0
snd_timer 29990 2 snd_pcm,snd_seq
snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq
mac_hid 13253 0
jmb38x_ms 17646 0
memstick 16569 1 jmb38x_ms
lp 17799 0
parport 46562 3 parport_pc,ppdev,lp
snd 78855 19 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_usb_audio,snd_hwdep,snd_usbmidi_lib,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore 15091 1 snd
snd_page_alloc 18529 2 snd_hda_intel,snd_pcm
firewire_ohci 41000 0
firewire_core 63558 1 firewire_ohci
crc_itu_t 12707 1 firewire_core
i915 468651 2
sdhci_pci 18826 0
sdhci 33205 1 sdhci_pci
drm_kms_helper 46978 1 i915
drm 242038 3 i915,drm_kms_helper
r8169 62099 0
i2c_algo_bit 13423 1 i915
video 19596 1 i915

Please show me how can I get my bluetooth adapter to work. Thanks.