我在我的 ubuntu 24 上安装了这个新内核，因为我的扬声器在 6.8 上无法工作。但现在，扬声器可以工作，而蓝牙却不行。我有一台 hp envy 15 笔记本电脑。以下是输出systemctl status bluetooth：
● bluetooth.service - Bluetooth service
Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; preset: enabled)
Active: active (running) since Sun 2024-05-05 18:24:05 CEST; 3min 20s ago
Docs: man:bluetoothd(8)
Main PID: 978 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 18261)
Memory: 2.8M (peak: 3.3M)
CPU: 55ms
CGroup: /system.slice/bluetooth.service
└─978 /usr/libexec/bluetooth/bluetoothd
May 05 18:24:05 ig0r-hp-envy-x360-15 bluetoothd[978]: Starting SDP server
May 05 18:24:05 ig0r-hp-envy-x360-15 bluetoothd[978]: src/plugin.c:plugin_init() System does not support csip plugin
May 05 18:24:05 ig0r-hp-envy-x360-15 bluetoothd[978]: profiles/audio/micp.c:micp_init() D-Bus experimental not enabled
May 05 18:24:05 ig0r-hp-envy-x360-15 bluetoothd[978]: src/plugin.c:plugin_init() System does not support micp plugin
May 05 18:24:05 ig0r-hp-envy-x360-15 bluetoothd[978]: src/plugin.c:plugin_init() System does not support vcp plugin
May 05 18:24:05 ig0r-hp-envy-x360-15 bluetoothd[978]: src/plugin.c:plugin_init() System does not support mcp plugin
May 05 18:24:05 ig0r-hp-envy-x360-15 bluetoothd[978]: src/plugin.c:plugin_init() System does not support bass plugin
May 05 18:24:05 ig0r-hp-envy-x360-15 bluetoothd[978]: src/plugin.c:plugin_init() System does not support bap plugin
May 05 18:24:05 ig0r-hp-envy-x360-15 systemd[1]: Started bluetooth.service - Bluetooth service.
May 05 18:24:05 ig0r-hp-envy-x360-15 bluetoothd[978]: Bluetooth management interface 1.22 initialized
~
这是我的输出sudo dmesg | grep -i bluetooth：
[ 3.797133] Bluetooth: Core ver 2.22
[ 3.797173] NET: Registered PF_BLUETOOTH protocol family
[ 3.797175] Bluetooth: HCI device and connection manager initialized
[ 3.797183] Bluetooth: HCI socket layer initialized
[ 3.797187] Bluetooth: L2CAP socket layer initialized
[ 3.797194] Bluetooth: SCO socket layer initialized
[ 3.911248] bluetooth hci0: Direct firmware load for mediatek/BT_RAM_CODE_MT7961_1a_2_hdr.bin failed with error -2
[ 3.911256] Bluetooth: hci0: Failed to load firmware file (-2)
[ 3.911259] Bluetooth: hci0: Failed to set up firmware (-2)
[ 3.911262] Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection command is advertised, but not supported.
[ 6.008124] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 6.008130] Bluetooth: BNEP filters: protocol multicast
[ 6.008137] Bluetooth: BNEP socket layer initialized
编辑
我确实下载了必要的 bin 文件，但仍然不起作用。不过那个错误已经消失了。这是 dmesg 命令的新输出：
[ 3.073975] Bluetooth: Core ver 2.22
[ 3.074004] NET: Registered PF_BLUETOOTH protocol family
[ 3.074006] Bluetooth: HCI device and connection manager initialized
[ 3.074013] Bluetooth: HCI socket layer initialized
[ 3.074016] Bluetooth: L2CAP socket layer initialized
[ 3.074022] Bluetooth: SCO socket layer initialized
[ 3.124079] Bluetooth: hci0: HW/SW Version: 0x008a008a, Build Time: 20210821171156
[ 5.027280] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 5.027286] Bluetooth: BNEP filters: protocol multicast
[ 5.027294] Bluetooth: BNEP socket layer initialized
[ 6.315588] Bluetooth: hci0: Mediatek coredump end
[ 15.936643] Bluetooth: hci0: Execution of wmt command timed out
[ 15.936662] Bluetooth: hci0: Failed to send wmt func ctrl (-110)
[ 15.936671] Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection command is advertised, but not supported.
[ 21.056670] Bluetooth: hci0: Failed to write uhw reg(-110)
[ 26.176961] Bluetooth: hci0: Failed to read uhw reg(-110)
[ 31.297078] Bluetooth: hci0: Failed to write uhw reg(-110)
[ 36.443546] Bluetooth: hci0: Failed to write uhw reg(-110)
[ 41.718270] Bluetooth: hci0: Failed to read uhw reg(-110)
我应该怎么办？