Hsp profile available but not working

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Hello,

This command solved my issue:

hcitool cmd 0x3F 0x01C 0x01 0x02 0x00 0x01 0x01

Thanks :).


2017-11-03 9:11 GMT+01:00 Vimal Babu <Vimal.Babu at nestgroup.net>:

> Hi,
>
>
>
> I also faced same issue in HFP,
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> *< SCO data: handle 6 flags 0x00 dlen 48     0000: 00 00 00 00 00 00 00
> 00  00 00 00 00 00 00 00 00  ................     0010: 00 00 00 00 00 00
> 00 00  00 00 00 00 00 00 00 00  ................     0020: 00 00 00 00 00
> 00 00 00  00 00 00 00 00 00 00 00  ................ < SCO data: handle 6
> flags 0x00 dlen 48     0000: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00
> 00  ................     0010: 00 00 00 00 00 00 00 00  00 00 00 00 00 00
> 00 00  ................     0020: 00 00 00 00 00 00 00 00  00 00 00 00 00
> 00 00 00  ................*
>
> < HCI Command: Disconnect (0x01|0x0006) plen 3
>
>     handle 6 reason 0x13
>
>     Reason: Remote User Terminated Connection
>
>
>
>
>
>
>
> What I did is that , I send commands to Bluetooth module, to switch from
> PCM to UART.
>
>
>
> *hcitool cmd 0x3F 0x01C 0x01 0x02 0x00 0x01 0x01                  *//For
> routing
>
> After sending this my issue was solved.
>
>
>
> Regards,
>
> Vimal Babu
>
> *From:* pulseaudio-discuss [mailto:pulseaudio-discuss-
> bounces at lists.freedesktop.org] *On Behalf Of *Pawel B
> *Sent:* Tuesday, October 31, 2017 6:00 PM
> *To:* pulseaudio-discuss at lists.freedesktop.org
> *Subject:* [pulseaudio-discuss] Hsp profile available but not working
>
>
>
> Hi All.
>
> I have a problem with hsp profile.
>
> After connect to Philips WeCall Speaker profile headset_head_unit is
> available:
>
> Card #2
>
>        Name: bluez_card.0C_A6_94_25_70_DE
>
>        Driver: module-bluez5-device.c
>
>        Owner Module: 25
>
>        Properties:
>
>                device.description = "Philips WeCall Speaker"
>
>                device.string = "0C:A6:94:25:70:DE"
>
>                device.api = "bluez"
>
>                device.class = "sound"
>
>                device.bus = "bluetooth"
>
>                device.form_factor = "headset"
>
>                bluez.path = "/org/bluez/hci1/dev_0C_A6_94_25_70_DE"
>
>                bluez.class = "0x240404"
>
>                bluez.alias = "Philips WeCall Speaker"
>
>                device.icon_name = "audio-headset-bluetooth"
>
>                device.intended_roles = "phone"
>
>        Profiles:
>
>               * headset_head_unit: Headset Head Unit (HSP/HFP) (sinks: 1,
> sources: 1, priority: 20, available: yes*
>
>                a2dp_sink: High Fidelity Playback (A2DP Sink) (sinks: 1,
> sources: 0, priority: 10, available: yes)
>
>                device.description = "Philips WeCall Speaker"
>
>                off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
>
>        Active Profile: headset_head_unit
>
>        Ports:
>
>                headset-output: Headset (priority: 0, latency offset: 0
> usec)
>
>                        Part of profile(s): headset_head_unit, a2dp_sink
>
>                headset-input: Headset (priority: 0, latency offset: 0 usec)
>
>                        Part of profile(s): headset_head_unit
>
>
> I set default sink and source.
>
> After run â??mplayer test.wavâ?? nothing is happens (there is no sound). In
> a2dp_sink profile everything works fine, but I need use microphone to
> record voice, so I need to use headset_head_unit.
>
> I run hcidump:
>
> [root at localhost ~]# hcidump -i hci1 -X
>
> HCI sniffer - Bluetooth packet analyzer ver 2.5
>
> device: hci1 snap_len: 1500 filter: 0xffffffff
>
> < HCI Command: Exit Sniff Mode (0x02|0x0004) plen 2
>
>     handle 13
>
> > HCI Event: Command Status (0x0f) plen 4
>
>     Exit Sniff Mode (0x02|0x0004) status 0x00 ncmd 1
>
> > HCI Event: Mode Change (0x14) plen 6
>
>     status 0x00 handle 13 mode 0x00 interval 0
>
>     Mode: Active
>
> < HCI Command: Setup Synchronous Connection (0x01|0x0028) plen 17
>
>     handle 13 voice setting 0x0060 ptype 0x003f
>
> > HCI Event: Command Status (0x0f) plen 4
>
>     Setup Synchronous Connection (0x01|0x0028) status 0x00 ncmd 1
>
> > HCI Event: Synchronous Connect Complete (0x2c) plen 17
>
>     status 0x00 handle 6 bdaddr 0C:A6:94:25:70:DE type eSCO
>
>     Air mode: CVSD
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> *< SCO data: handle 6 flags 0x00 dlen 48     0000: 00 00 00 00 00 00 00
> 00  00 00 00 00 00 00 00 00  ................     0010: 00 00 00 00 00 00
> 00 00  00 00 00 00 00 00 00 00  ................     0020: 00 00 00 00 00
> 00 00 00  00 00 00 00 00 00 00 00  ................ < SCO data: handle 6
> flags 0x00 dlen 48     0000: 00 00 00 00 00 00 00 00  00 00 00 00 00 00 00
> 00  ................     0010: 00 00 00 00 00 00 00 00  00 00 00 00 00 00
> 00 00  ................     0020: 00 00 00 00 00 00 00 00  00 00 00 00 00
> 00 00 00  ................*
>
> < HCI Command: Disconnect (0x01|0x0006) plen 3
>
>     handle 6 reason 0x13
>
>     Reason: Remote User Terminated Connection
>
> > HCI Event: Command Status (0x0f) plen 4
>
>     Disconnect (0x01|0x0006) status 0x00 ncmd 1
>
> > HCI Event: Disconn Complete (0x05) plen 4
>
>     status 0x00 handle 6 reason 0x16
>
>     Reason: Connection Terminated by Local Host
>
>
>
> My controller - is a BCM4354 chip
>
> [bluetooth]# show
>
> Controller C0:97:27:4C:2E:67
>
>        Name: ARTIK10
>
>        Alias: ARTIK10
>
>        Class: 0x0c0408
>
>        Powered: yes
>
>        Discoverable: no
>
>        Pairable: yes
>
>        UUID: Headset AG                (00001112-0000-1000-8000-
> 00805f9b34fb)
>
>        UUID: Generic Attribute Profile (00001801-0000-1000-8000-
> 00805f9b34fb)
>
>        UUID: A/V Remote Control        (0000110e-0000-1000-8000-
> 00805f9b34fb)
>
>        UUID: Generic Access Profile    (00001800-0000-1000-8000-
> 00805f9b34fb)
>
>        UUID: PnP Information           (00001200-0000-1000-8000-
> 00805f9b34fb)
>
>        UUID: A/V Remote Control Target (0000110c-0000-1000-8000-
> 00805f9b34fb)
>
>        UUID: Audio Source              (0000110a-0000-1000-8000-
> 00805f9b34fb)
>
>        UUID: Audio Sink                (0000110b-0000-1000-8000-
> 00805f9b34fb)
>
>        Modalias: usb:v1D6Bp0246d0524
>
>        Discovering: no
>
>
>
> My device:
>
> [Philips WeCall Speaker]# info 0C:A6:94:25:70:DE
>
> Device 0C:A6:94:25:70:DE
>
>        Name: Philips WeCall Speaker
>
>        Alias: Philips WeCall Speaker
>
>        Class: 0x240404
>
>        Icon: audio-card
>
>        Paired: yes
>
>        Trusted: yes
>
>        Blocked: no
>
>        Connected: yes
>
>        LegacyPairing: no
>
>        UUID: Headset                   (00001108-0000-1000-8000-
> 00805f9b34fb)
>
>        UUID: Audio Sink                (0000110b-0000-1000-8000-
> 00805f9b34fb)
>
>        UUID: A/V Remote Control Target (0000110c-0000-1000-8000-
> 00805f9b34fb)
>
>        UUID: Advanced Audio Distribu.. (0000110d-0000-1000-8000-
> 00805f9b34fb)
>
>        UUID: A/V Remote Control        (0000110e-0000-1000-8000-
> 00805f9b34fb)
>
>        UUID: Handsfree                 (0000111e-0000-1000-8000-
> 00805f9b34fb)
>
>
>
> *pulseaudio log*
>
> [root at localhost audio]# journalctl -b 0 | grep -i pulse
>
> Oct 09 16:10:26 localhost systemd[1]: Started pulseaudio service.
>
> Oct 09 16:10:26 localhost systemd[1]: Starting pulseaudio service...
>
> Oct 09 16:10:26 localhost pulseaudio[3416]: W: [pulseaudio] main.c:
> Running in system mode, but --disallow-module-loading not set!
>
> Oct 09 16:10:26 localhost pulseaudio[3416]: N: [pulseaudio] main.c:
> Running in system mode, forcibly disabling SHM mode!
>
> Oct 09 16:10:26 localhost pulseaudio[3416]: W: [pulseaudio] main.c: OK, so
> you are running PA in system mode. Please note that you most likely
> shouldn't be doing that.
>
> Oct 09 16:10:26 localhost pulseaudio[3416]: W: [pulseaudio] main.c: If you
> do it nonetheless then it's your own fault if things don't work as expected.
>
> Oct 09 16:10:26 localhost pulseaudio[3416]: W: [pulseaudio] main.c: Please
> read http://www.freedesktop.org/wiki/Software/PulseAudio/
> Documentation/User/WhatIsWrongWithSystemWide/ for an explanation why
> system mode is usually a bad idea.
>
> Oct 09 16:10:27 localhost kernel: [c6] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost kernel: [c1] lpass_set_sched: [pulseaudio] pid =
> 3416, prio = 49
>
> Oct 09 16:10:27 localhost pulseaudio[3416]: W: [pulseaudio] authkey.c:
> Failed to open cookie file '/var/run/pulse/.config/pulse/cookie': No such
> file or directory
>
> Oct 09 16:10:27 localhost pulseaudio[3416]: W: [pulseaudio] authkey.c:
> Failed to load authentication key '/var/run/pulse/.config/pulse/cookie':
> No such file or directory
>
> Oct 09 16:10:27 localhost pulseaudio[3416]: W: [pulseaudio] authkey.c:
> Failed to open cookie file '/var/run/pulse/.pulse-cookie': No such file
> or directory
>
> Oct 09 16:10:27 localhost pulseaudio[3416]: W: [pulseaudio] authkey.c:
> Failed to load authentication key '/var/run/pulse/.pulse-cookie': No such
> file or directory
>
>
> *journalctl -b 0 | grep -i blue*
>
> Oct 09 16:10:24 localhost kernel: [c6] Bluetooth: Core ver 2.16
>
> Oct 09 16:10:24 localhost kernel: [c6] Bluetooth: HCI device and
> connection manager initialized
>
> Oct 09 16:10:24 localhost kernel: [c6] Bluetooth: HCI socket layer
> initialized
>
> Oct 09 16:10:24 localhost kernel: [c6] Bluetooth: L2CAP socket layer
> initialized
>
> Oct 09 16:10:24 localhost kernel: [c6] Bluetooth: SCO socket layer
> initialized
>
> Oct 09 16:10:24 localhost kernel: [c5] Bluetooth: Generic Bluetooth SDIO
> driver ver 0.1
>
> Oct 09 16:10:25 localhost kernel: [c0] bcm4354_bluetooth bluetooth.8:
> bcm4354_bluetooth_probe.
>
> Oct 09 16:10:25 localhost kernel: [c2] [BT] Bluetooth Power On.
>
> Oct 09 16:10:25 localhost kernel: [c5] bcm4354_bluetooth bluetooth.8:
> bcm4354_bluetooth_probe End
>
> Oct 09 16:10:25 localhost kernel: [c7] [BT] Bluetooth Power On.
>
> Oct 09 16:10:26 localhost dbus-daemon[3403]: Unknown username "bluealsa"
> in message bus configuration file
>
> Oct 09 16:10:26 localhost kernel: [c6] [BT] Bluetooth Power On.
>
> Oct 09 16:10:26 localhost systemd[1]: Starting BCM4354 Bluetooth firmware
> service...
>
> Oct 09 16:10:27 localhost fwdown.sh[3423]: /etc/bluetooth /
>
> Oct 09 16:10:27 localhost dbus[3403]: [system] Activating via systemd:
> service name='org.bluez' unit='dbus-org.bluez.service'
>
> Oct 09 16:10:27 localhost systemd[1]: Started BCM4354 Bluetooth firmware
> service.
>
> Oct 09 16:10:27 localhost systemd[1]: Starting Bluetooth service...
>
> Oct 09 16:10:27 localhost bluetoothd[3555]: Bluetooth daemon 5.36
>
> Oct 09 16:10:27 localhost dbus[3403]: [system] Successfully activated
> service 'org.bluez'
>
> Oct 09 16:10:27 localhost bluetoothd[3555]: Starting SDP server
>
> Oct 09 16:10:27 localhost systemd[1]: Started Bluetooth service.
>
> Oct 09 16:10:27 localhost kernel: [c0] Bluetooth: BNEP (Ethernet
> Emulation) ver 1.3
>
> Oct 09 16:10:27 localhost kernel: [c0] Bluetooth: BNEP filters: protocol
> multicast
>
> Oct 09 16:10:27 localhost kernel: [c0] Bluetooth: BNEP socket layer
> initialized
>
> Oct 09 16:10:27 localhost bluetoothd[3555]: Bluetooth management interface
> 1.3 initialized
>
> Oct 09 16:10:27 localhost connmand[3419]: Method "ListAdapters" with
> signature "" on interface "org.bluez.Manager" doesn't exist
>
> Oct 09 16:10:27 localhost kernel: [c3] Bluetooth: HCI UART driver ver 2.2
>
> Oct 09 16:10:27 localhost kernel: [c3] Bluetooth: HCI H4 protocol
> initialized
>
> Oct 09 16:10:27 localhost kernel: [c3] Bluetooth: HCI BCSP protocol
> initialized
>
> Oct 09 16:10:27 localhost kernel: [c3] Bluetooth: HCILL protocol
> initialized
>
> Oct 09 16:10:27 localhost kernel: [c3] Bluetooth: HCIATH3K protocol
> initialized
>
> Oct 09 16:10:27 localhost kernel: [c3] Bluetooth: HCI Three-wire UART (H5)
> protocol initialized
>
> Oct 09 16:10:27 localhost bluetoothd[3555]: Failed to obtain handles for
> "Service Changed" characteristic
>
> Oct 09 16:10:27 localhost systemd[1]: Reached target Bluetooth.
>
> Oct 09 16:10:27 localhost systemd[1]: Starting Bluetooth.
>
> Oct 09 16:10:27 localhost kernel: [c0] Bluetooth: RFCOMM TTY layer
> initialized
>
> Oct 09 16:10:27 localhost kernel: [c0] Bluetooth: RFCOMM socket layer
> initialized
>
> Oct 09 16:10:27 localhost kernel: [c0] Bluetooth: RFCOMM ver 1.11
>
> Oct 09 16:10:27 localhost bluetoothd[3555]: hci1 Load Connection
> Parameters failed: Unknown Command (0x01)
>
> Oct 09 16:10:28 localhost bluetoothd[3555]: Endpoint registered:
> sender=:1.5 path=/MediaEndpoint/A2DPSource
>
> Oct 09 16:10:28 localhost bluetoothd[3555]: Endpoint registered:
> sender=:1.5 path=/MediaEndpoint/A2DPSink
>
>
> [root at localhost audio]# *pulseaudio --version*
>
> pulseaudio 6.0
>
> [root at localhost audio]# *bluetoothctl --version*
>
> 5.36
>
> I checked many different configuration. The last one is:
>
> --
>
> [root at localhost audio]# cat /etc/bluetooth/audio.conf
>
> # Configuration file for the audio service
>
>
> # This section contains options which are not specific to any
>
> # particular interface
>
> [General]
>
>
> # Switch to master role for incoming connections (defaults to true)
>
> Master=true
>
>
> # If we want to disable support for specific services
>
> # Defaults to supporting all implemented services
>
> #Disable=Gateway,Source,Socket
>
> #Disable=Gateway
>
> #Enable=Headset
>
> #Enable=Gateway,Source,Socket
>
> Enable=Source,Sink,Media,Socket,Headset
>
> #Enable=Source
>
> # SCO routing. Either PCM or HCI (in which case audio is routed to/from
> ALSA)
>
> # Defaults to HCI
>
> #SCORouting=PCM
>
>
> # Automatically connect both A2DP and HFP/HSP profiles for incoming
>
> # connections. Some headsets that support both profiles will only connect
> the
>
> # other one automatically so the default setting of true is usually a good
>
> # idea.
>
> AutoConnect=true
>
>
> # Headset interface specific options (i.e. options which affect how the
> audio
>
> # service interacts with remote headset devices)
>
> [Headset]
>
>
> # Set to true to support HFP, false means only HSP is supported
>
> # Defaults to true
>
> HFP=false
>
>
> # Maximum number of connected HSP/HFP devices per adapter. Defaults to 1
>
> MaxConnected=1
>
>
> # Set to true to enable use of fast connectable mode (faster page scanning)
>
> # for HFP when incoming call starts. Default settings are restored after
>
> # call is answered or rejected. Page scan interval is much shorter and page
>
> # scan type changed to interlaced. Such allows faster connection initiated
>
> # by a headset.
>
> FastConnectable=true
>
>
> # Just an example of potential config options for the other interfaces
>
> [A2DP]
>
> SBCSources=1
>
> MPEG12Sources=0
>
> --
>
> [root at localhost audio]# cat /etc/pulse/system.pa
>
> #!/usr/bin/pulseaudio -nF
>
> #
>
> # This file is part of PulseAudio.
>
> #
>
> # PulseAudio is free software; you can redistribute it and/or modify it
>
> # under the terms of the GNU Lesser General Public License as published by
>
> # the Free Software Foundation; either version 2 of the License, or
>
> # (at your option) any later version.
>
> #
>
> # PulseAudio is distributed in the hope that it will be useful, but
>
> # WITHOUT ANY WARRANTY; without even the implied warranty of
>
> # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
>
> # General Public License for more details.
>
> #
>
> # You should have received a copy of the GNU Lesser General Public License
>
> # along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
>
> # This startup script is used only if PulseAudio is started per-user
>
> # (i.e. not in system mode)
>
> .nofail
>
> ### Load something into the sample cache
>
> #load-sample-lazy x11-bell /usr/share/sounds/freedesktop/stereo/bell.oga
>
> #load-sample-lazy pulse-hotplug /usr/share/sounds/freedesktop/
> stereo/device-added.oga
>
> #load-sample-lazy pulse-coldplug /usr/share/sounds/freedesktop/
> stereo/device-added.oga
>
> #load-sample-lazy pulse-access /usr/share/sounds/freedesktop/
> stereo/message.oga
>
> .fail
>
> ### Automatically restore the volume of streams and devices
>
> load-module module-device-restore
>
> load-module module-stream-restore
>
> load-module module-card-restore
>
> ### Automatically augment property information from .desktop files
>
> ### stored in /usr/share/application
>
> load-module module-augment-properties
>
> ### Should be after module-*-restore but before module-*-detect
>
> load-module module-switch-on-port-available
>
> ### Load audio drivers statically
>
> ### (it's probably better to not load these drivers manually, but instead
>
> ### use module-udev-detect -- see below -- for doing this automatically)
>
> #load-module module-alsa-sink
>
> #load-module module-alsa-source device=hw:1,0
>
> #load-module module-null-sink
>
> #load-module module-pipe-sink
>
> ### Automatically load driver modules depending on the hardware available
>
> .ifexists module-udev-detect.so
>
> load-module module-udev-detect tsched=0
>
> .else
>
> ### Use the static hardware detection module (for systems that lack udev
> support)
>
> load-module module-detect
>
> .endif
>
> ### Automatically connect sink and source if JACK server is present
>
> .ifexists module-jackdbus-detect.so
>
> .nofail
>
> load-module module-jackdbus-detect channels=2
>
> .fail
>
> .endif
>
> ### Automatically load driver modules for Bluetooth hardware
>
> .ifexists module-bluetooth-policy.so
>
> load-module module-bluetooth-policy
>
> .endif
>
> .ifexists module-bluetooth-discover.so
>
> load-module module-bluetooth-discover
>
> ##headset=native
>
> .endif
>
> ### Load several protocols
>
> .ifexists module-esound-protocol-unix.so
>
> load-module module-esound-protocol-unix
>
> .endif
>
> load-module module-native-protocol-unix
>
> ### Network access (may be configured with paprefs, so leave this commented
>
> ### here if you plan to use paprefs)
>
> #load-module module-esound-protocol-tcp
>
> #load-module module-native-protocol-tcp
>
> #load-module module-zeroconf-publish
>
> ### Load the RTP receiver module (also configured via paprefs, see above)
>
> #load-module module-rtp-recv
>
> ### Load the RTP sender module (also configured via paprefs, see above)
>
> #load-module module-null-sink sink_name=rtp format=s16be channels=2
> rate=44100 sink_properties="device.description='RTP Multicast Sink'"
>
> #load-module module-rtp-send source=rtp.monitor
>
> ### Load additional modules from GConf settings. This can be configured
> with the paprefs tool.
>
> ### Please keep in mind that the modules configured by paprefs might
> conflict with manually
>
> ### loaded modules.
>
> .ifexists module-gconf.so
>
> .nofail
>
> load-module module-gconf
>
> .fail
>
> .endif
>
> ### Automatically restore the default sink/source when changed by the user
>
> ### during runtime
>
> ### NOTE: This should be loaded as early as possible so that subsequent
> modules
>
> ### that look up the default sink/source get the right value
>
> load-module module-default-device-restore
>
> ### Automatically move streams to the default sink if the sink they are
>
> ### connected to dies, similar for sources
>
> load-module module-rescue-streams
>
> ### Make sure we always have a sink around, even if it is a null sink.
>
> load-module module-always-sink
>
> ### Honour intended role device property
>
> load-module module-intended-roles
>
> ### Automatically suspend sinks/sources that become idle for too long
>
> load-module module-suspend-on-idle
>
> ### If autoexit on idle is enabled we want to make sure we only quit
>
> How to fix this issue?
>
> ------------------------------
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