Kubuntu 18.04, Linux 5.4, в графическом интерфейсе подключаю HD 458BT. Через них воспроизводится звук. Если в pavucontrol-qt выбрать профиль HSP/HFP, и попробовать что-то воспроизвести в браузере, то звука нет и счет времени не начинается, а пульса пишет в лог
(50668.102| 3.229) D: [bluetooth] protocol-native.c: Requesting rewind due to end of underrun.
(50668.102| 0.000) D: [bluetooth] sink-input.c: Requesting rewind due to uncorking
(50668.102| 0.000) D: [pulseaudio] module-suspend-on-idle.c: Sink bluez_sink.00_1B_66_D2_1B_97.headset_head_unit becomes busy, resuming.
Requesting rewind due to end of underrun. повторяется. 
hateWin himmelcross Waldo-de-Kard
$ dmesg | grep -i 'blue'
[ 6.471161] Bluetooth: Core ver 2.22
[ 6.471176] Bluetooth: HCI device and connection manager initialized
[ 6.471179] Bluetooth: HCI socket layer initialized
[ 6.471181] Bluetooth: L2CAP socket layer initialized
[ 6.471184] Bluetooth: SCO socket layer initialized
[ 6.595032] Bluetooth: hci0: BCM: chip id 63
[ 6.596788] Bluetooth: hci0: BCM: features 0x07
[ 6.614900] Bluetooth: hci0: BCM20702A
[ 6.616804] Bluetooth: hci0: BCM20702A1 (001.002.014) build 0000
[ 6.622245] bluetooth hci0: Direct firmware load for brcm/BCM20702A1-0b05-17cb.hcd failed with error -2
[ 6.622247] Bluetooth: hci0: BCM: Patch brcm/BCM20702A1-0b05-17cb.hcd not found
[ 8.164948] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 8.164949] Bluetooth: BNEP filters: protocol multicast
[ 8.164953] Bluetooth: BNEP socket layer initialized
[ 49.441802] Bluetooth: RFCOMM TTY layer initialized
[ 49.441810] Bluetooth: RFCOMM socket layer initialized
[ 49.441817] Bluetooth: RFCOMM ver 1.11
[48233.297847] Bluetooth: hci0: BCM: chip id 63
[48233.300850] Bluetooth: hci0: BCM: features 0x07
[48233.318848] Bluetooth: hci0: ryzen
[48233.320883] Bluetooth: hci0: BCM20702A1 (001.002.014) build 0000
[48233.325891] bluetooth hci0: Direct firmware load for brcm/BCM20702A1-0b05-17cb.hcd failed with error -2
[48233.325895] Bluetooth: hci0: BCM: Patch brcm/BCM20702A1-0b05-17cb.hcd not found
$ lsusb
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
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 006: ID 0c45:8603 Microdia
Bus 001 Device 007: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 001 Device 005: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 001 Device 004: ID 062a:4101 Creative Labs Wireless Keyboard/Mouse
Bus 001 Device 002: ID 0b05:17cb ASUSTek Computer, Inc. Broadcom BCM20702A0 Bluetooth
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ pacmd list-sinks
...
* index: 3
name: <bluez_sink.00_1B_66_D2_1B_97.headset_head_unit>
driver: <module-bluez5-device.c>
flags: HARDWARE HW_VOLUME_CTRL LATENCY
state: RUNNING
suspend cause:
priority: 9950
volume: mono: 52429 / 80%
balance 0.00
base volume: 65536 / 100%
volume steps: 16
muted: no
current latency: 37.00 ms
max request: 0 KiB
max rewind: 0 KiB
monitor source: 4
sample spec: s16le 1ch 8000Hz
channel map: mono
Mono
used by: 1
linked by: 2
fixed latency: 28.00 ms
card: 2 <bluez_card.00_1B_66_D2_1B_97>
module: 25
properties:
bluetooth.protocol = "headset_head_unit"
device.intended_roles = "phone"
device.description = "HD 458BT"
device.string = "00:1B:66:D2:1B:97"
device.api = "bluez"
device.class = "sound"
device.bus = "bluetooth"
device.form_factor = "headphone"
bluez.path = "/org/bluez/hci0/dev_00_1B_66_D2_1B_97"
bluez.class = "0x240418"
bluez.alias = "HD 458BT"
device.icon_name = "audio-headphones-bluetooth"
ports:
headphone-output: Headphone (priority 0, latency offset 0 usec, available: unknown)
properties:
active port: <headphone-output>
$ pacmd list-sources
...
* index: 5
name: <bluez_source.00_1B_66_D2_1B_97.headset_head_unit>
driver: <module-bluez5-device.c>
flags: HARDWARE HW_VOLUME_CTRL LATENCY
state: SUSPENDED
suspend cause: IDLE
priority: 9950
volume: mono: 65536 / 100%
balance 0.00
base volume: 65536 / 100%
volume steps: 16
muted: no
current latency: 0.00 ms
max rewind: 0 KiB
sample spec: s16le 1ch 8000Hz
channel map: mono
Mono
used by: 0
linked by: 0
fixed latency: 28.00 ms
card: 2 <bluez_card.00_1B_66_D2_1B_97>
module: 25
properties:
bluetooth.protocol = "headset_head_unit"
device.intended_roles = "phone"
device.description = "HD 458BT"
device.string = "00:1B:66:D2:1B:97"
device.api = "bluez"
device.class = "sound"
device.bus = "bluetooth"
device.form_factor = "headphone"
bluez.path = "/org/bluez/hci0/dev_00_1B_66_D2_1B_97"
bluez.class = "0x240418"
bluez.alias = "HD 458BT"
device.icon_name = "audio-headphones-bluetooth"
ports:
headphone-input: Bluetooth Input (priority 0, latency offset 0 usec, available: unknown)
properties:
active port: <headphone-input>
$ pacmd list-cards
3 card(s) available.
...
index: 2
name: <bluez_card.00_1B_66_D2_1B_97>
driver: <module-bluez5-device.c>
owner module: 25
properties:
device.description = "HD 458BT"
device.string = "00:1B:66:D2:1B:97"
device.api = "bluez"
device.class = "sound"
device.bus = "bluetooth"
device.form_factor = "headphone"
bluez.path = "/org/bluez/hci0/dev_00_1B_66_D2_1B_97"
bluez.class = "0x240418"
bluez.alias = "HD 458BT"
device.icon_name = "audio-headphones-bluetooth"
profiles:
headset_head_unit: Headset Head Unit (HSP/HFP) (priority 30, available: unknown)
a2dp_sink: High Fidelity Playback (A2DP Sink) (priority 40, available: unknown)
off: Off (priority 0, available: yes)
active profile: <headset_head_unit>
sinks:
bluez_sink.00_1B_66_D2_1B_97.headset_head_unit/#3: HD 458BT
sources:
bluez_sink.00_1B_66_D2_1B_97.headset_head_unit.monitor/#4: Monitor of HD 458BT
bluez_source.00_1B_66_D2_1B_97.headset_head_unit/#5: HD 458BT
ports:
headphone-output: Headphone (priority 0, latency offset 0 usec, available: unknown)
properties:
headphone-input: Bluetooth Input (priority 0, latency offset 0 usec, available: unknown)
properties:
UPD
Решение ASUS USB-BT400 - не воспроизводится звук по HSP/HFP (комментарий)
