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当我拿到我的 Lenovo-Z50-70 时，我直接安装了 Ubuntu 14.10，Wifi（Atheros AR9565）开箱即用。但当我想要连接我的蓝牙设备时，却找不到任何蓝牙设备。
我看了看，rfkill没有什么是困难的或软阻塞的。
据联想称，BTchip 是 Atheros QCWB355，但我找不到任何可用的 Linux 驱动程序。
我还查看了我的 BIOS 中是否有任何配置，但没有任何相关内容。
有人知道我可以在哪里找到这个驱动程序或者是否存在其他问题？
lspci：
00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b)
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)
00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)
00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04)
00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4)
00:1c.3 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 4 (rev e4)
00:1c.4 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 5 (rev e4)
00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter
03:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 840M] (rev a2)
lsusb：
Bus 001 Device 002: ID 8087:8000 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 004: ID 0bda:b728 Realtek Semiconductor Corp.
Bus 002 Device 003: ID 5986:055e Acer, Inc
Bus 002 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 002 Device 005: ID 2516:0014
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
hci配置：
hci0: Type: BR/EDR Bus: USB
BD Address: 10:08:B1:09:E7:22 ACL MTU: 820:8 SCO MTU: 255:16
UP RUNNING PSCAN ISCAN
RX bytes:1188 acl:0 sco:0 events:68 errors:0
TX bytes:1102 acl:0 sco:0 commands:68 errors:0