== controllers (kernel log)
[    2.628798] Bluetooth: Core ver 2.22
[    2.628810] Bluetooth: HCI device and connection manager initialized
[    2.628813] Bluetooth: HCI socket layer initialized
[    2.628814] Bluetooth: L2CAP socket layer initialized
[    2.628816] Bluetooth: SCO socket layer initialized
[    2.632128] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    2.632130] Bluetooth: BNEP filters: protocol multicast
[    2.632132] Bluetooth: BNEP socket layer initialized
[    2.633542] usbcore: registered new interface driver btusb
[    2.635299] Bluetooth: hci0: Firmware timestamp 2026.29 buildtype 1 build 82200
[    2.635302] Bluetooth: hci0: Firmware SHA1: 0xd3d4fa22
[    2.638146] Bluetooth: hci0: Found device firmware: intel/ibt-1040-4150.sfi
[    2.638152] Bluetooth: hci0: Boot Address: 0x100800
[    2.638153] Bluetooth: hci0: Firmware Version: 24-29.26
[    2.638154] Bluetooth: hci0: Firmware already loaded
[    2.642285] Bluetooth: hci0: Fseq status: Success (0x00)
[    2.642286] Bluetooth: hci0: Fseq executed: 00.00.02.41
[    2.642286] Bluetooth: hci0: Fseq BT Top: 00.00.02.41
[    2.708368] Bluetooth: MGMT ver 1.23
hci0: driver btusb on 9-2:1.0
    usb 8087:0026 power/control=auto runtime_status=active autosuspend_delay_ms=-1000 wakeup= suspended_ms=0 active_ms=61283
btusb: enable_autosuspend=Y (Y: a USB controller may sleep while no device is connected to it)
iwlwifi: bt_coex_active=
== rfkill
0: hci0: bluetooth
	Soft blocked: no
	Hard blocked: no
== the service and the settings that BlueZ runs with
bluetooth: active
BLUEZ_LEGACY_INPUT=false
--- /run/libreelec/bluetooth/main.conf (what is set in it; for the rest, BlueZ's default)
[General]
JustWorksRepairing=confirm
[BR]
[LE]
[GATT]
[ChannelSounding]
[CSIS]
[AVDTP]
[AVRCP]
[Policy]
AutoEnable=true
[AdvMon]
--- /run/libreelec/bluetooth/input.conf (what is set in it; for the rest, BlueZ's default)
[General]
ClassicBondedOnly=true
--- the standby of the settings add-on (it disconnects these devices with the screensaver, and after idle_timeout minutes without input)
idle_timeout: 
== paired devices (a device that is known and not paired is only counted)
(0 known device(s) that are not paired)
== bluetoothd (journal)
Nov 09 12:35:27 LibreELEC systemd[1]: Starting bluetooth.service...
Nov 09 12:35:27 LibreELEC (bluetoothd)[776]: bluetooth.service: Referenced but unset environment variable evaluates to an empty string: BLUEZ_ARGS, BLUEZ_DEBUG
Nov 09 12:35:27 LibreELEC bluetoothd[776]: Bluetooth daemon 5.87
Nov 09 12:35:27 LibreELEC systemd[1]: Started bluetooth.service.
Nov 09 12:35:27 LibreELEC bluetoothd[776]: Starting SDP server
Nov 09 12:35:27 LibreELEC bluetoothd[776]: Bluetooth management interface 1.23 initialized
Nov 09 20:35:28 LibreELEC bluetoothd[776]: Battery Provider Manager created
Nov 09 20:35:28 LibreELEC bluetoothd[776]: Endpoint registered: sender=:1.4 path=/MediaEndpoint/A2DPSink/sbc
Nov 09 20:35:28 LibreELEC bluetoothd[776]: Endpoint registered: sender=:1.4 path=/MediaEndpoint/A2DPSource/sbc
Nov 09 20:35:28 LibreELEC bluetoothd[776]: Endpoint registered: sender=:1.4 path=/MediaEndpoint/A2DPSink/sbc_xq_453
Nov 09 20:35:28 LibreELEC bluetoothd[776]: Endpoint registered: sender=:1.4 path=/MediaEndpoint/A2DPSource/sbc_xq_453
Nov 09 20:35:28 LibreELEC bluetoothd[776]: Endpoint registered: sender=:1.4 path=/MediaEndpoint/A2DPSink/sbc_xq_512
Nov 09 20:35:28 LibreELEC bluetoothd[776]: Endpoint registered: sender=:1.4 path=/MediaEndpoint/A2DPSource/sbc_xq_512
Nov 09 20:35:28 LibreELEC bluetoothd[776]: Endpoint registered: sender=:1.4 path=/MediaEndpoint/A2DPSink/sbc_xq_552
Nov 09 20:35:28 LibreELEC bluetoothd[776]: Endpoint registered: sender=:1.4 path=/MediaEndpoint/A2DPSource/sbc_xq_552
Nov 09 20:35:28 LibreELEC bluetoothd[776]: Endpoint registered: sender=:1.4 path=/MediaEndpoint/A2DPSink/faststream
Nov 09 20:35:28 LibreELEC bluetoothd[776]: Endpoint registered: sender=:1.4 path=/MediaEndpoint/A2DPSource/faststream
