我无法在 Dell XPS 13 9343、内核 3.19.0-50-generic 上使蓝牙正常工作。
的输出lspci是
00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Broadwell-U Integrated Graphics (rev 09)
00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
00:04.0 Signal processing controller: Intel Corporation Broadwell-U Camarillo Device (rev 09)
00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI Controller (rev 03)
00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI Controller #1 (rev 03)
00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #1 (rev e3)
00:1c.3 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #4 (rev e3)
00:1d.0 USB controller: Intel Corporation Wildcat Point-LP USB EHCI Controller (rev 03)
00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller [AHCI Mode] (rev 03)
00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
00:1f.6 Signal processing controller: Intel Corporation Wildcat Point-LP Thermal Management Controller (rev 03)
01:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5249 PCI Express Card Reader (rev 01)
02:00.0 Network controller: Broadcom Corporation BCM4352 802.11ac Wireless Network Adapter (rev 03)
的输出lsusb是
Bus 003 Device 002: ID 8087:8001 Intel Corp.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 0bda:5682 Realtek Semiconductor Corp.
Bus 001 Device 004: ID 04f3:20d0 Elan Microelectronics Corp.
Bus 001 Device 003: ID 0a5c:216f Broadcom Corp. BCM20702A0 Bluetooth
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
的输出dmesg | egrep -i 'firm|blue'是
[ 2.208427] Bluetooth: hci0: BCM: patching hci_ver=06 hci_rev=1000 lmp_ver=06 lmp_subver=220e
[ 4.264423] Bluetooth: hci0 command 0x0a0a tx timeout
[ 12.270801] Bluetooth: hci0: BCM: patch command 0a0a failed (-110)
[ 14.272434] Bluetooth: hci0 command 0x1001 tx timeout
[ 22.276858] Bluetooth: hci0: HCI_OP_READ_LOCAL_VERSION failed (-110)
[ 29.373920] Bluetooth: hci0: BCM: patching hci_ver=06 hci_rev=1000 lmp_ver=06 lmp_subver=220e
[ 31.429340] Bluetooth: hci0 command 0x0a0a tx timeout
[ 39.431829] Bluetooth: hci0: BCM: patch command 0a0a failed (-110)
[ 41.516546] Bluetooth: hci0 command 0x1001 tx timeout
[ 49.518964] Bluetooth: hci0: HCI_OP_READ_LOCAL_VERSION failed (-110)
Dell XPS 13 9343 Ultrabook - 英特尔酷睿 i7 5500 Broadwell、13.3 英寸 LED 触摸屏 3200x1800 QHD +、8GB RAM、英特尔高清显卡 5500、256 GB SSD、WiFi、蓝牙 4.0、USB 3.0、背光键盘、Windows 8.1 64 位 MUI（2016 年）
请问有什么想法或解决方案吗？
现在是lsusb
[ 1.883011] Bluetooth: Core ver 2.20
[ 1.883030] Bluetooth: HCI device and connection manager initialized
[ 1.883034] Bluetooth: HCI socket layer initialized
[ 1.883036] Bluetooth: L2CAP socket layer initialized
[ 1.883041] Bluetooth: SCO socket layer initialized
[ 1.896582] Bluetooth: RFCOMM TTY layer initialized
[ 1.896588] Bluetooth: RFCOMM socket layer initialized
[ 1.896593] Bluetooth: RFCOMM ver 1.11
[ 1.945389] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 1.945392] Bluetooth: BNEP filters: protocol multicast
[ 1.945396] Bluetooth: BNEP socket layer initialized
[ 2.027456] bluetooth hci0: Direct firmware load for brcm/BCM20702A0-0a5c-216f.hcd failed with error -2
[ 2.027462] Bluetooth: hci0: BCM: patch brcm/BCM20702A0-0a5c-216f.hcd not found