________________
> pulseaudio_ps_do
pipacsba 4730 0.3 0.7 405716 27520 ? Ssl 07:08 0:00 /usr/bin/pulseaudio --daemonize=no --log-target=journal
pipacsba 5754 0.0 0.0 3532 1792 pts/0 S+ 07:09 0:00 grep pulseaudio
________________
> which pulseaudio
/usr/bin/pulseaudio
________________
> pidof pulseaudio
4730
________________
> pulseaudio --version
pulseaudio 16.1
________________
> pactl info
Server String: /run/user/1000/pulse/native
Library Protocol Version: 35
Server Protocol Version: 35
Is Local: yes
Client Index: 4
Tile Size: 65472
User Name: pipacsba
Host Name: yogatab3
Server Name: pulseaudio
Server Version: 16.1
Default Sample Specification: s16le 2ch 44100Hz
Default Channel Map: front-left,front-right
Default Sink: auto_null
Default Source: auto_null.monitor
Cookie: ccd7:2ab8
________________
> pactl list
Module #0
Name: module-device-restore
Argument:
Usage counter: n/a
Properties:
module.author = "Lennart Poettering"
module.description = "Automatically restore the volume/mute state of devices"
module.version = "16.1"
Module #1
Name: module-stream-restore
Argument:
Usage counter: n/a
Properties:
module.author = "Lennart Poettering"
module.description = "Automatically restore the volume/mute/device state of streams"
module.version = "16.1"
Module #2
Name: module-card-restore
Argument:
Usage counter: n/a
Properties:
module.author = "Lennart Poettering"
module.description = "Automatically restore profile of cards"
module.version = "16.1"
Module #3
Name: module-augment-properties
Argument:
Usage counter: n/a
Properties:
module.author = "Lennart Poettering"
module.description = "Augment the property sets of streams with additional static information"
module.version = "16.1"
Module #4
Name: module-switch-on-port-available
Argument:
Usage counter: n/a
Properties:
module.author = "David Henningsson"
module.description = "Switches ports and profiles when devices are plugged/unplugged"
module.version = "16.1"
Module #5
Name: module-switch-on-connect
Argument:
Usage counter: n/a
Properties:
module.author = "Michael Terry"
module.description = "When a sink/source is added, switch to it or conditionally switch to it"
module.version = "16.1"
Module #6
Name: module-udev-detect
Argument:
Usage counter: n/a
Properties:
module.author = "Lennart Poettering"
module.description = "Detect available audio hardware and load matching drivers"
module.version = "16.1"
Module #7
Name: module-alsa-card
Argument: device_id="0" name="pci-0000_00_02.0-platform-hdmi-lpe-audio" card_name="alsa_card.pci-0000_00_02.0-platform-hdmi-lpe-audio" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=no card_properties="module-udev-detect.discovered=1"
Usage counter: 0
Properties:
module.author = "Lennart Poettering"
module.description = "ALSA Card"
module.version = "16.1"
Module #8
Name: module-native-protocol-unix
Argument:
Usage counter: n/a
Properties:
module.author = "Lennart Poettering"
module.description = "Native protocol (UNIX sockets)"
module.version = "16.1"
Module #9
Name: module-default-device-restore
Argument:
Usage counter: n/a
Properties:
module.author = "Lennart Poettering"
module.description = "Automatically restore the default sink and source"
module.version = "16.1"
Module #10
Name: module-always-sink
Argument:
Usage counter: n/a
Properties:
module.author = "Colin Guthrie"
module.description = "Always keeps at least one sink loaded even if it's a null one"
module.version = "16.1"
Module #11
Name: module-null-sink
Argument: sink_name=auto_null sink_properties='device.description="Dummy Output"'
Usage counter: 0
Properties:
module.author = "Lennart Poettering"
module.description = "Clocked NULL sink"
module.version = "16.1"
Module #12
Name: module-intended-roles
Argument:
Usage counter: n/a
Properties:
module.author = "Lennart Poettering"
module.description = "Automatically set device of streams based on intended roles of devices"
module.version = "16.1"
Module #13
Name: module-suspend-on-idle
Argument:
Usage counter: n/a
Properties:
module.author = "Lennart Poettering"
module.description = "When a sink/source is idle for too long, suspend it"
module.version = "16.1"
Module #14
Name: module-systemd-login
Argument:
Usage counter: n/a
Properties:
module.author = "Lennart Poettering"
module.description = "Create a client for each login session of this user"
module.version = "16.1"
Module #15
Name: module-position-event-sounds
Argument:
Usage counter: n/a
Properties:
module.author = "Lennart Poettering"
module.description = "Position event sounds between L and R depending on the position on screen of the widget triggering them."
module.version = "16.1"
Module #16
Name: module-role-cork
Argument:
Usage counter: n/a
Properties:
module.author = "Lennart Poettering"
module.description = "Mute & cork streams with certain roles while others exist"
module.version = "16.1"
Module #17
Name: module-snap-policy
Argument:
Usage counter: n/a
Properties:
module.author = "Canonical Ltd"
module.description = "Ubuntu Snap policy management"
module.version = "16.1"
Module #18
Name: module-filter-heuristics
Argument:
Usage counter: n/a
Properties:
module.author = "Colin Guthrie"
module.description = "Detect when various filters are desirable"
module.version = "16.1"
Module #19
Name: module-filter-apply
Argument:
Usage counter: n/a
Properties:
module.author = "Colin Guthrie"
module.description = "Load filter sinks automatically when needed"
module.version = "16.1"
Module #20
Name: module-cli-protocol-unix
Argument:
Usage counter: n/a
Properties:
module.author = "Lennart Poettering"
module.description = "Command line interface protocol (UNIX sockets)"
module.version = "16.1"
Sink #0
State: SUSPENDED
Name: auto_null
Description: Dummy Output
Driver: module-null-sink.c
Sample Specification: s16le 2ch 44100Hz
Channel Map: front-left,front-right
Owner Module: 11
Mute: no
Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB
balance 0.00
Base Volume: 65536 / 100% / 0.00 dB
Monitor Source: auto_null.monitor
Latency: 0 usec, configured 0 usec
Flags: DECIBEL_VOLUME LATENCY SET_FORMATS
Properties:
device.description = "Dummy Output"
device.class = "abstract"
device.icon_name = "audio-card"
Formats:
pcm
Source #0
State: SUSPENDED
Name: auto_null.monitor
Description: Monitor of Dummy Output
Driver: module-null-sink.c
Sample Specification: s16le 2ch 44100Hz
Channel Map: front-left,front-right
Owner Module: 11
Mute: no
Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB
balance 0.00
Base Volume: 65536 / 100% / 0.00 dB
Monitor of Sink: auto_null
Latency: 0 usec, configured 0 usec
Flags: DECIBEL_VOLUME LATENCY
Properties:
device.description = "Monitor of Dummy Output"
device.class = "monitor"
device.icon_name = "audio-input-microphone"
Formats:
pcm
Client #0
Driver: module-systemd-login.c
Owner Module: 14
Properties:
application.name = "Login Session 2"
systemd-login.session = "2"
Client #5
Driver: protocol-native.c
Owner Module: 8
Properties:
application.name = "pactl"
native-protocol.peer = "UNIX socket client"
native-protocol.version = "35"
application.process.id = "5759"
application.process.user = "pipacsba"
application.process.host = "yogatab3"
application.process.binary = "pactl"
application.language = "C"
application.process.machine_id = "ee925f5e21ea4b34aff2edc56ed66989"
application.process.session_id = "2"
Card #0
Name: alsa_card.pci-0000_00_02.0-platform-hdmi-lpe-audio
Driver: module-alsa-card.c
Owner Module: 7
Properties:
alsa.card = "0"
alsa.card_name = "Intel HDMI/DP LPE Audio"
alsa.long_card_name = "Intel HDMI/DP LPE Audio"
alsa.driver_name = "snd_hdmi_lpe_audio"
device.bus_path = "pci-0000:00:02.0-platform-hdmi-lpe-audio"
sysfs.path = "/devices/pci0000:00/0000:00:02.0/hdmi-lpe-audio/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.id = "22b0"
device.product.name = "Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Integrated Graphics Controller"
device.string = "0"
device.description = "Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Integrated Graphics Controller"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
Profiles:
output:hdmi-stereo: Digital Stereo (HDMI) Output (sinks: 1, sources: 0, priority: 5900, available: no)
output:hdmi-surround: Digital Surround 5.1 (HDMI) Output (sinks: 1, sources: 0, priority: 800, available: no)
output:hdmi-surround71: Digital Surround 7.1 (HDMI) Output (sinks: 1, sources: 0, priority: 800, available: no)
output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) Output (sinks: 1, sources: 0, priority: 5700, available: no)
output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) Output (sinks: 1, sources: 0, priority: 600, available: no)
output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) Output (sinks: 1, sources: 0, priority: 600, available: no)
output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) Output (sinks: 1, sources: 0, priority: 5700, available: no)
output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) Output (sinks: 1, sources: 0, priority: 600, available: no)
output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) Output (sinks: 1, sources: 0, priority: 600, available: no)
off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
Active Profile: off
Ports:
hdmi-output-0: HDMI / DisplayPort (type: HDMI, priority: 5900, latency offset: 0 usec, not available)
Properties:
device.icon_name = "video-display"
Part of profile(s): output:hdmi-stereo, output:hdmi-surround, output:hdmi-surround71
hdmi-output-1: HDMI / DisplayPort 2 (type: HDMI, priority: 5800, latency offset: 0 usec, not available)
Properties:
device.icon_name = "video-display"
Part of profile(s): output:hdmi-stereo-extra1, output:hdmi-surround-extra1, output:hdmi-surround71-extra1
hdmi-output-2: HDMI / DisplayPort 3 (type: HDMI, priority: 5700, latency offset: 0 usec, not available)
Properties:
device.icon_name = "video-display"
Part of profile(s): output:hdmi-stereo-extra2, output:hdmi-surround-extra2, output:hdmi-surround71-extra2
________________
> cat /etc/pulse/daemon.conf
# 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 .
## Configuration file for the PulseAudio daemon. See pulse-daemon.conf(5) for
## more information. Default values are commented out. Use either ; or # for
## commenting.
; daemonize = no
; fail = yes
; allow-module-loading = yes
; allow-exit = yes
; use-pid-file = yes
; system-instance = no
; local-server-type = user
; enable-shm = yes
; enable-memfd = yes
; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB
; lock-memory = no
; cpu-limit = no
; high-priority = yes
; nice-level = -11
; realtime-scheduling = yes
; realtime-priority = 5
; exit-idle-time = 20
; scache-idle-time = 20
; dl-search-path = (depends on architecture)
; load-default-script-file = yes
; default-script-file = /etc/pulse/default.pa
; log-target = auto
; log-level = notice
; log-meta = no
; log-time = no
; log-backtrace = 0
; resample-method = speex-float-1
; avoid-resampling = false
; enable-remixing = yes
; remixing-use-all-sink-channels = yes
; remixing-produce-lfe = no
; remixing-consume-lfe = no
; lfe-crossover-freq = 0
; flat-volumes = no
; rescue-streams = yes
; rlimit-fsize = -1
; rlimit-data = -1
; rlimit-stack = -1
; rlimit-core = -1
; rlimit-as = -1
; rlimit-rss = -1
; rlimit-nproc = -1
; rlimit-nofile = 256
; rlimit-memlock = -1
; rlimit-locks = -1
; rlimit-sigpending = -1
; rlimit-msgqueue = -1
; rlimit-nice = 31
; rlimit-rtprio = 9
; rlimit-rttime = 200000
; default-sample-format = s16le
; default-sample-rate = 44100
; alternate-sample-rate = 48000
; default-sample-channels = 2
; default-channel-map = front-left,front-right
; default-fragments = 4
; default-fragment-size-msec = 25
; enable-deferred-volume = yes
deferred-volume-safety-margin-usec = 1
; deferred-volume-extra-delay-usec = 0
________________
> cat /etc/pulse/client.conf
# 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 .
## Configuration file for PulseAudio clients. See pulse-client.conf(5) for
## more information. Default values are commented out. Use either ; or # for
## commenting.
; default-sink =
; default-source =
; default-server =
; default-dbus-server =
; autospawn = yes
; daemon-binary = /usr/bin/pulseaudio
; extra-arguments = --log-target=syslog
; cookie-file =
; enable-shm = yes
; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB
; auto-connect-localhost = no
; auto-connect-display = no
________________
> dot_d_files /etc/pulse/client.conf.d/*.conf
/etc/pulse/client.conf.d/01-enable-autospawn.conf
________________
> cat /etc/pulse/client.conf.d/01-enable-autospawn.conf
cat: /etc/pulse/client.conf.d/01-enable-autospawn.conf: No such file or directory
________________
> cat /etc/pulse/default.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 .
# This startup script is used only if PulseAudio is started per-user
# (i.e. not in system mode)
.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
### Use hot-plugged devices like Bluetooth or USB automatically (LP: #1702794)
.ifexists module-switch-on-connect.so
load-module module-switch-on-connect
.endif
### 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-oss device="/dev/dsp" sink_name=output source_name=input
#load-module module-oss-mmap device="/dev/dsp" sink_name=output source_name=input
#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
.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
.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 GSettings. 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-gsettings.so
.nofail
load-module module-gsettings
.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
### 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
### when no local session needs us anymore.
.ifexists module-console-kit.so
load-module module-console-kit
.endif
.ifexists module-systemd-login.so
load-module module-systemd-login
.endif
### Enable positioned event sounds
load-module module-position-event-sounds
### Cork music/video streams when a phone stream is active
load-module module-role-cork
### Block audio recording for snap confined packages unless they have
### the "pulseaudio" or "audio-record" interfaces plugged.
.ifexists module-snap-policy.so
load-module module-snap-policy
.endif
### Modules to allow autoloading of filters (such as echo cancellation)
### on demand. module-filter-heuristics tries to determine what filters
### make sense, and module-filter-apply does the heavy-lifting of
### loading modules and rerouting streams.
load-module module-filter-heuristics
load-module module-filter-apply
### Make some devices default
#set-default-sink output
#set-default-source input
### Allow including a default.pa.d directory, which if present, can be used
### for additional configuration snippets.
### Note that those snippet files must have a .pa file extension, not .conf
.nofail
.include /etc/pulse/default.pa.d
________________
> dot_d_files /etc/pulse/default.pa.d/*.pa
________________
> 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 .
# This startup script is used only if PulseAudio is started in system
# mode.
### Automatically restore the volume of streams and devices
load-module module-device-restore
load-module module-stream-restore
load-module module-card-restore
### Automatically load driver modules depending on the hardware available
.ifexists module-udev-detect.so
load-module module-udev-detect
.else
### Use the static hardware detection module (for systems that lack udev/hal support)
load-module module-detect
.endif
### Load several protocols
.ifexists module-esound-protocol-unix.so
load-module module-esound-protocol-unix
.endif
load-module module-native-protocol-unix
### 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
### Make sure we always have a sink around, even if it is a null sink.
load-module module-always-sink
### Automatically suspend sinks/sources that become idle for too long
load-module module-suspend-on-idle
### Enable positioned event sounds
load-module module-position-event-sounds
### Allow including a system.pa.d directory, which if present, can be used
### for additional configuration snippets.
### Note that those snippet files must have a .pa file extension, not .conf
.nofail
.include /etc/pulse/system.pa.d
________________
> ls -alt /dev/snd/*
crw-rw---- 1 root audio 116, 4 Apr 18 07:08 /dev/snd/pcmC0D2p
crw-rw---- 1 root audio 116, 3 Apr 18 07:08 /dev/snd/pcmC0D1p
crw-rw---- 1 root audio 116, 2 Apr 18 07:08 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116, 5 Apr 18 07:02 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 1 Apr 18 07:02 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Apr 18 07:02 /dev/snd/timer
/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root 60 Apr 18 07:02 .
drwxr-xr-x 3 root root 180 Apr 18 07:02 ..
lrwxrwxrwx 1 root root 12 Apr 18 07:02 pci-0000:00:02.0-platform-hdmi-lpe-audio -> ../controlC0
________________
> lsof /dev/snd/*
lsof: WARNING: can't stat() tracefs file system /sys/kernel/debug/tracing
Output information may be incomplete.
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
pulseaudi 4730 pipacsba 18u CHR 116,5 0t0 981 /dev/snd/controlC0
________________
> jacks_do
card=0
numid=5,iface=CARD,name='HDMI/DP,pcm=0 Jack'
; type=BOOLEAN,access=r-------,values=1
: values=off
numid=10,iface=CARD,name='HDMI/DP,pcm=1 Jack'
; type=BOOLEAN,access=r-------,values=1
: values=off
numid=15,iface=CARD,name='HDMI/DP,pcm=2 Jack'
; type=BOOLEAN,access=r-------,values=1
: values=off
________________
> aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
default
Playback/recording through the PulseAudio sound server
lavrate
Rate Converter Plugin Using Libav/FFmpeg Library
samplerate
Rate Converter Plugin Using Samplerate Library
speexrate
Rate Converter Plugin Using Speex Resampler
jack
JACK Audio Connection Kit
oss
Open Sound System
pulse
PulseAudio Sound Server
speex
Plugin using Speex DSP (resample, agc, denoise, echo, dereverb)
upmix
Plugin for channel upmix (4,6,8)
vdownmix
Plugin for channel downmix (stereo) with a simple spacialization
hw:CARD=Audio,DEV=0
Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi
Direct hardware device without any conversions
hw:CARD=Audio,DEV=1
Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi
Direct hardware device without any conversions
hw:CARD=Audio,DEV=2
Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi
Direct hardware device without any conversions
plughw:CARD=Audio,DEV=0
Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi
Hardware device with all software conversions
plughw:CARD=Audio,DEV=1
Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi
Hardware device with all software conversions
plughw:CARD=Audio,DEV=2
Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi
Hardware device with all software conversions
sysdefault:CARD=Audio
Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi
Default Audio Device
hdmi:CARD=Audio,DEV=0
Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi
HDMI Audio Output
hdmi:CARD=Audio,DEV=1
Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi
HDMI Audio Output
hdmi:CARD=Audio,DEV=2
Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi
HDMI Audio Output
dmix:CARD=Audio,DEV=0
Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi
Direct sample mixing device
dmix:CARD=Audio,DEV=1
Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi
Direct sample mixing device
dmix:CARD=Audio,DEV=2
Intel HDMI/DP LPE Audio, Intel HDMI/DP LPE Audi
Direct sample mixing device
usbstream:CARD=Audio
Intel HDMI/DP LPE Audio
USB Stream Output
________________
> arecord -L
null
Discard all samples (playback) or generate zero samples (capture)
default
Playback/recording through the PulseAudio sound server
lavrate
Rate Converter Plugin Using Libav/FFmpeg Library
samplerate
Rate Converter Plugin Using Samplerate Library
speexrate
Rate Converter Plugin Using Speex Resampler
jack
JACK Audio Connection Kit
oss
Open Sound System
pulse
PulseAudio Sound Server
speex
Plugin using Speex DSP (resample, agc, denoise, echo, dereverb)
upmix
Plugin for channel upmix (4,6,8)
vdownmix
Plugin for channel downmix (stereo) with a simple spacialization
usbstream:CARD=Audio
Intel HDMI/DP LPE Audio
USB Stream Output
________________
> alsa_info_do
dmesg: read kernel buffer failed: Operation not permitted
upload=true&script=true&cardinfo=
!!################################
!!ALSA Information Script v 0.5.3
!!################################
!!Script ran on: Thu Apr 18 05:09:53 UTC 2024
!!Linux Distribution
!!------------------
Ubuntu Noble Numbat (development branch) \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu Noble Numbat (development branch)" PRETTY_NAME="Ubuntu Noble Numbat (development branch)" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=noble LOGO=ubuntu-logo
!!DMI Information
!!---------------
Manufacturer: Intel Corporation
Product Name: CHERRYVIEW D1 PLATFORM
Product Version: Blade3-10A-001
Firmware Version: CHTTYOGA.X64.R514.R15.1701241022
System SKU: System SKUNumber
Board Vendor: Intel Corp.
Board Name: Cherry Trail Tablet
!!ACPI Device Status Information
!!---------------
/sys/bus/acpi/devices/80860F14:00/status 15
/sys/bus/acpi/devices/80860F14:02/status 15
/sys/bus/acpi/devices/8086228A:00/status 15
/sys/bus/acpi/devices/8086228A:01/status 15
/sys/bus/acpi/devices/8086228E:00/status 15
/sys/bus/acpi/devices/8086228E:01/status 15
/sys/bus/acpi/devices/8086228E:02/status 15
/sys/bus/acpi/devices/808622C1:00/status 15
/sys/bus/acpi/devices/808622C1:01/status 15
/sys/bus/acpi/devices/808622C1:02/status 15
/sys/bus/acpi/devices/808622C1:03/status 15
/sys/bus/acpi/devices/808622C1:04/status 15
/sys/bus/acpi/devices/808622C1:05/status 15
/sys/bus/acpi/devices/808622C1:06/status 15
/sys/bus/acpi/devices/ACPI0003:00/status 15
/sys/bus/acpi/devices/ACPI0011:00/status 15
/sys/bus/acpi/devices/ATML1000:01/status 15
/sys/bus/acpi/devices/BCM4752:00/status 15
/sys/bus/acpi/devices/BCM4752:01/status 15
/sys/bus/acpi/devices/INT33A4:00/status 15
/sys/bus/acpi/devices/INT33BE:01/status 15
/sys/bus/acpi/devices/INT33D5:00/status 15
/sys/bus/acpi/devices/INT33FB:00/status 15
/sys/bus/acpi/devices/INT33FF:00/status 15
/sys/bus/acpi/devices/INT33FF:01/status 15
/sys/bus/acpi/devices/INT33FF:02/status 15
/sys/bus/acpi/devices/INT33FF:03/status 15
/sys/bus/acpi/devices/INT33FF:04/status 15
/sys/bus/acpi/devices/INT3400:00/status 15
/sys/bus/acpi/devices/INT3403:00/status 15
/sys/bus/acpi/devices/INT3403:01/status 15
/sys/bus/acpi/devices/INT3403:03/status 15
/sys/bus/acpi/devices/INT3406:00/status 15
/sys/bus/acpi/devices/INT3407:00/status 15
/sys/bus/acpi/devices/INT3409:01/status 15
/sys/bus/acpi/devices/INT34D3:00/status 15
/sys/bus/acpi/devices/INTCF1C:00/status 15
/sys/bus/acpi/devices/INTL9C60:00/status 15
/sys/bus/acpi/devices/INTL9C60:01/status 15
/sys/bus/acpi/devices/LNXPOWER:00/status 15
/sys/bus/acpi/devices/LNXPOWER:07/status 2
/sys/bus/acpi/devices/LNXPOWER:08/status 2
/sys/bus/acpi/devices/LNXPOWER:09/status 2
/sys/bus/acpi/devices/LNXPOWER:0a/status 2
/sys/bus/acpi/devices/LNXPOWER:0b/status 2
/sys/bus/acpi/devices/LNXPOWER:0d/status 15
/sys/bus/acpi/devices/LNXPOWER:21/status 2
/sys/bus/acpi/devices/LNXPOWER:22/status 2
/sys/bus/acpi/devices/PNP0103:00/status 15
/sys/bus/acpi/devices/PNP0501:00/status 15
/sys/bus/acpi/devices/PNP0C0F:00/status 9
/sys/bus/acpi/devices/PNP0C0F:01/status 9
/sys/bus/acpi/devices/PNP0C0F:02/status 9
/sys/bus/acpi/devices/PNP0C0F:03/status 9
/sys/bus/acpi/devices/PNP0C0F:04/status 9
/sys/bus/acpi/devices/PNP0C0F:05/status 9
/sys/bus/acpi/devices/PNP0C0F:06/status 9
/sys/bus/acpi/devices/PNP0C0F:07/status 9
/sys/bus/acpi/devices/TXN24292:00/status 15
/sys/bus/acpi/devices/device:02/status 15
/sys/bus/acpi/devices/device:0b/status 15
/sys/bus/acpi/devices/device:13/status 15
/sys/bus/acpi/devices/device:17/status 15
/sys/bus/acpi/devices/device:1a/status 15
/sys/bus/acpi/devices/device:33/status 15
/sys/bus/acpi/devices/device:34/status 15
!!Kernel Information
!!------------------
Kernel release: #22-Ubuntu SMP PREEMPT_DYNAMIC Thu Apr 4 22:30:32 UTC 2024
Operating System: GNU/Linux
Architecture: x86_64
Processor: x86_64
SMP Enabled: Yes
!!ALSA Version
!!------------
Driver version: k6.8.0-22-generic
Library version: 1.2.11
Utilities version: 1.2.9
!!Loaded ALSA modules
!!-------------------
snd_hdmi_lpe_audio (card 0)
!!Sound Servers on this system
!!----------------------------
Pulseaudio:
Installed - Yes (/usr/bin/pulseaudio)
Running - Yes
!!Soundcards recognised by ALSA
!!-----------------------------
0 [Audio ]: HdmiLpeAudio - Intel HDMI/DP LPE Audio
Intel HDMI/DP LPE Audio
!!PCI Soundcards installed in the system
!!--------------------------------------
00:15.0 Multimedia audio controller [0401]: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series Low Power Engine Audio [8086:22a8] (rev 34)
Subsystem: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series Low Power Engine Audio [8086:7270]
!!Modprobe options (Sound related)
!!--------------------------------
snd_pcsp: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_usb_audio: index=-2
snd_usb_caiaq: index=-2
snd_usb_ua101: index=-2
snd_usb_us122l: index=-2
snd_usb_usx2y: index=-2
snd_cmipci: mpu_port=0x330 fm_port=0x388
snd_pcsp: index=-2
snd_usb_audio: index=-2
!!Loaded sound module options
!!---------------------------
!!Module: snd_hdmi_lpe_audio
id : (null)
index : -1
single_port : N
!!Sysfs card info
!!---------------
!!Card: /sys/class/sound/card0
Driver: /sys/bus/platform/drivers/hdmi-lpe-audio
Tree:
/sys/class/sound/card0
|-- controlC0
| |-- dev
| |-- device -> ../../card0
| |-- power
| |-- subsystem -> ../../../../../../../class/sound
| `-- uevent
|-- device -> ../../../hdmi-lpe-audio
|-- id
|-- input6
| |-- capabilities
| |-- device -> ../../card0
| |-- event6
| |-- id
| |-- inhibited
| |-- modalias
| |-- name
| |-- phys
| |-- power
| |-- properties
| |-- subsystem -> ../../../../../../../class/input
| |-- uevent
| `-- uniq
|-- input7
| |-- capabilities
| |-- device -> ../../card0
| |-- event7
| |-- id
| |-- inhibited
| |-- modalias
| |-- name
| |-- phys
| |-- power
| |-- properties
| |-- subsystem -> ../../../../../../../class/input
| |-- uevent
| `-- uniq
|-- input8
| |-- capabilities
| |-- device -> ../../card0
| |-- event8
| |-- id
| |-- inhibited
| |-- modalias
| |-- name
| |-- phys
| |-- power
| |-- properties
| |-- subsystem -> ../../../../../../../class/input
| |-- uevent
| `-- uniq
|-- number
|-- pcmC0D0p
| |-- dev
| |-- device -> ../../card0
| |-- pcm_class
| |-- power
| |-- subsystem -> ../../../../../../../class/sound
| `-- uevent
|-- pcmC0D1p
| |-- dev
| |-- device -> ../../card0
| |-- pcm_class
| |-- power
| |-- subsystem -> ../../../../../../../class/sound
| `-- uevent
|-- pcmC0D2p
| |-- dev
| |-- device -> ../../card0
| |-- pcm_class
| |-- power
| |-- subsystem -> ../../../../../../../class/sound
| `-- uevent
|-- power
| |-- async
| |-- autosuspend_delay_ms
| |-- control
| |-- runtime_active_kids
| |-- runtime_active_time
| |-- runtime_enabled
| |-- runtime_status
| |-- runtime_suspended_time
| `-- runtime_usage
|-- subsystem -> ../../../../../../class/sound
`-- uevent
!!ALSA Device nodes
!!-----------------
crw-rw---- 1 root audio 116, 5 Apr 18 07:02 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 2 Apr 18 07:08 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116, 3 Apr 18 07:08 /dev/snd/pcmC0D1p
crw-rw---- 1 root audio 116, 4 Apr 18 07:08 /dev/snd/pcmC0D2p
crw-rw---- 1 root audio 116, 1 Apr 18 07:02 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Apr 18 07:02 /dev/snd/timer
/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root 60 Apr 18 07:02 .
drwxr-xr-x 3 root root 180 Apr 18 07:02 ..
lrwxrwxrwx 1 root root 12 Apr 18 07:02 pci-0000:00:02.0-platform-hdmi-lpe-audio -> ../controlC0
!!Aplay/Arecord output
!!--------------------
APLAY
**** List of PLAYBACK Hardware Devices ****
card 0: Audio [Intel HDMI/DP LPE Audio], device 0: HdmiLpeAudio [Intel HDMI/DP LPE Audi]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Audio [Intel HDMI/DP LPE Audio], device 1: HdmiLpeAudio [Intel HDMI/DP LPE Audi]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Audio [Intel HDMI/DP LPE Audio], device 2: HdmiLpeAudio [Intel HDMI/DP LPE Audi]
Subdevices: 1/1
Subdevice #0: subdevice #0
ARECORD
**** List of CAPTURE Hardware Devices ****
!!Amixer output
!!-------------
!!-------Mixer controls for card Audio
Card sysdefault:0 'Audio'/'Intel HDMI/DP LPE Audio'
Mixer name : ''
Components : ''
Controls : 15
Simple ctrls : 0
!!Alsactl output
!!--------------
--startcollapse--
state.Audio {
control.1 {
iface PCM
name 'IEC958 Playback Mask'
value ffffffff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
comment {
access read
type IEC958
count 1
}
}
control.2 {
iface PCM
name 'IEC958 Playback Default'
value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
}
}
control.3 {
iface PCM
name ELD
value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read volatile'
type BYTES
count 128
}
}
control.4 {
iface PCM
name 'Playback Channel Map'
value.0 0
value.1 0
value.2 0
value.3 0
value.4 0
value.5 0
value.6 0
value.7 0
comment {
access read
type INTEGER
count 8
range '0 - 36'
}
}
control.5 {
iface CARD
name 'HDMI/DP,pcm=0 Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.6 {
iface PCM
device 1
name 'IEC958 Playback Mask'
value ffffffff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
comment {
access read
type IEC958
count 1
}
}
control.7 {
iface PCM
device 1
name 'IEC958 Playback Default'
value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
}
}
control.8 {
iface PCM
device 1
name ELD
value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read volatile'
type BYTES
count 128
}
}
control.9 {
iface PCM
device 1
name 'Playback Channel Map'
value.0 0
value.1 0
value.2 0
value.3 0
value.4 0
value.5 0
value.6 0
value.7 0
comment {
access read
type INTEGER
count 8
range '0 - 36'
}
}
control.10 {
iface CARD
name 'HDMI/DP,pcm=1 Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.11 {
iface PCM
device 2
name 'IEC958 Playback Mask'
value ffffffff00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
comment {
access read
type IEC958
count 1
}
}
control.12 {
iface PCM
device 2
name 'IEC958 Playback Default'
value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
}
}
control.13 {
iface PCM
device 2
name ELD
value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read volatile'
type BYTES
count 128
}
}
control.14 {
iface PCM
device 2
name 'Playback Channel Map'
value.0 0
value.1 0
value.2 0
value.3 0
value.4 0
value.5 0
value.6 0
value.7 0
comment {
access read
type INTEGER
count 8
range '0 - 36'
}
}
control.15 {
iface CARD
name 'HDMI/DP,pcm=2 Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
}
--endcollapse--
!!All Loaded Modules
!!------------------
8250_dw
acpi_pad
acpi_thermal_rel
aesni_intel
async_memcpy
async_pq
async_raid6_recov
async_tx
async_xor
autofs4
binfmt_misc
blake2b_generic
bq25890_charger
bq27xxx_battery
bq27xxx_battery_i2c
brcmfmac
brcmfmac_wcc
brcmutil
btrfs
cec
cfg80211
coretemp
crc32_pclmul
crct10dif_pclmul
cryptd
crypto_simd
dm_multipath
dmi_sysfs
dptf_power
drm_buddy
drm_display_helper
dw_dmac
dw_dmac_core
efi_pstore
extcon_intel_cht_wc
ghash_clmulni_intel
gpio_keys
hid
hid_generic
hid_sensor_accel_3d
hid_sensor_als
hid_sensor_custom
hid_sensor_custom_intel_hinge
hid_sensor_gyro_3d
hid_sensor_hub
hid_sensor_iio_common
hid_sensor_incl_3d
hid_sensor_magn_3d
hid_sensor_rotation
hid_sensor_trigger
i2c_algo_bit
i2c_cht_wc
i2c_hid
i2c_hid_acpi
i915
industrialio
industrialio_triggered_buffer
int3400_thermal
int3403_thermal
int3406_thermal
int340x_thermal_zone
intel_atomisp2_pm
intel_cstate
intel_hid
intel_int0002_vgpio
intel_ish_ipc
intel_ishtp
intel_ishtp_hid
intel_powerclamp
intel_rapl_common
intel_rapl_msr
intel_soc_dts_iosf
intel_soc_pmic_bxtwc
intel_xhci_usb_role_switch
ip_tables
irqbypass
kfifo_buf
kvm
kvm_intel
leds_cht_wcove
libcrc32c
lpc_ich
mac_hid
mc
mei
mei_hdcp
mei_pxp
mei_txe
mmc_block
msr
mtd
nfnetlink
nls_iso8859_1
ov5693
polyval_generic
processor_thermal_device
processor_thermal_device_pci_legacy
processor_thermal_mbox
processor_thermal_power_floor
processor_thermal_rapl
processor_thermal_rfim
processor_thermal_wt_hint
processor_thermal_wt_req
punit_atom_debug
qrtr
raid0
raid1
raid10
raid456
raid6_pq
rc_core
rfkill_gpio
sdhci
sdhci_acpi
sha1_ssse3
sha256_ssse3
snd
snd_hdmi_lpe_audio
snd_pcm
snd_rawmidi
snd_seq
snd_seq_device
snd_seq_midi
snd_seq_midi_event
snd_timer
soc_button_array
soundcore
sparse_keymap
spi_intel
spi_intel_platform
spi_nor
spi_pxa2xx_platform
tls
ttm
v4l2_async
v4l2_cci
v4l2_fwnode
video
videodev
wmi
x_tables
xhci_pci
xhci_pci_renesas
xor
!!ALSA/HDA dmesg
!!--------------
!!Packages installed
!!--------------------
ii alsa-topology-conf 1.2.5.1-2 all ALSA topology configuration files
ii alsa-ucm-conf 1.2.10-1ubuntu5 all ALSA Use Case Manager configuration files
ii alsa-utils 1.2.9-1ubuntu5 amd64 Utilities for configuring and using ALSA