EC Debug

 aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: sun4icodec [sun4i-codec], device 0: CDC PCM Codec-0 []
  Subdevices: 0/1
  Subdevice #0: subdevice #0


aplay -L
null
    Discard all samples (playback) or generate zero samples (capture)
pulse
    PulseAudio Sound Server
default:CARD=sun4icodec
    sun4i-codec,
    Default Audio Device
sysdefault:CARD=sun4icodec
    sun4i-codec,
    Default Audio Device
dmix:CARD=sun4icodec,DEV=0
    sun4i-codec,
    Direct sample mixing device
dsnoop:CARD=sun4icodec,DEV=0
    sun4i-codec,
    Direct sample snooping device
hw:CARD=sun4icodec,DEV=0
    sun4i-codec,
    Direct hardware device without any conversions
plughw:CARD=sun4icodec,DEV=0
    sun4i-codec,
    Hardware device with all software conversions






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 = "7.1"

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 = "7.1"

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 = "7.1"

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 = "7.1"

Module #4
	Name: module-switch-on-port-available
	Argument:
	Usage counter: n/a
	Properties:


Module #5
	Name: module-udev-detect
	Argument: tsched=0
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Detect available audio hardware and load matching drivers"
		module.version = "7.1"

Module #6
	Name: module-alsa-card
	Argument: device_id="0" name="platform-1c22c00.codec" card_name="alsa_card.platform-1c22c00.codec" namereg_fail=false tsched=no fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes card_properties="module-udev-detect.discovered=1"
	Usage counter: 2
	Properties:
		module.author = "Lennart Poettering"
		module.description = "ALSA Card"
		module.version = "7.1"

Module #7
	Name: module-native-protocol-unix
	Argument:
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Native protocol (UNIX sockets)"
		module.version = "7.1"

Module #8
	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 = "7.1"

Module #9
	Name: module-rescue-streams
	Argument:
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "When a sink/source is removed, try to move its streams to the default sink/source"
		module.version = "7.1"

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 = "7.1"

Module #11
	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 = "7.1"

Module #12
	Name: module-console-kit
	Argument:
	Usage counter: n/a
	Properties:
		module.author = "Lennart Poettering"
		module.description = "Create a client for each ConsoleKit session of this user"
		module.version = "7.1"

Module #13
	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 = "7.1"

Module #14
	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 = "7.1"

Module #15
	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 = "7.1"

Module #16
	Name: module-filter-heuristics
	Argument:
	Usage counter: n/a
	Properties:
		module.author = "Colin Guthrie"
		module.description = "Detect when various filters are desirable"
		module.version = "7.1"

Module #17
	Name: module-filter-apply
	Argument:
	Usage counter: n/a
	Properties:
		module.author = "Colin Guthrie"
		module.description = "Load filter sinks automatically when needed"
		module.version = "7.1"

Module #18
	Name: module-echo-cancel
	Argument: source_name=baresip aec_method=webrtc aec_args="analog_gain_control=0 digital_gain_control=0" format=s16le rate=8000 channels=1
	Usage counter: 0
	Properties:
		module.author = "Wim Taymans"
		module.description = "Echo Cancellation"
		module.version = "7.1"

Sink #0
	State: RUNNING
	Name: alsa_output.platform-1c22c00.codec.analog-stereo
	Description: sun4i-codec Analog Stereo
	Driver: module-alsa-card.c
	Sample Specification: s16le 2ch 44100Hz
	Channel Map: front-left,front-right
	Owner Module: 6
	Mute: no
	Volume: front-left: 45876 /  70% / -9.29 dB,   front-right: 45876 /  70% / -9.29 dB
	        balance 0.00
	Base Volume: 65536 / 100% / 0.00 dB
	Monitor Source: alsa_output.platform-1c22c00.codec.analog-stereo.monitor
	Latency: 99748 usec, configured 99954 usec
	Flags: HARDWARE DECIBEL_VOLUME LATENCY
	Properties:
		alsa.resolution_bits = "16"
		device.api = "alsa"
		device.class = "sound"
		alsa.class = "generic"
		alsa.subclass = "generic-mix"
		alsa.name = ""
		alsa.id = "CDC PCM Codec-0"
		alsa.subdevice = "0"
		alsa.subdevice_name = "subdevice #0"
		alsa.device = "0"
		alsa.card = "0"
		alsa.card_name = "sun4i-codec"
		alsa.long_card_name = "sun4i-codec"
		alsa.driver_name = "sun4i_codec"
		device.bus_path = "platform-1c22c00.codec"
		sysfs.path = "/devices/platform/soc@01c00000/1c22c00.codec/sound/card0"
		device.string = "hw:0"
		device.buffering.buffer_size = "17632"
		device.buffering.fragment_size = "4408"
		device.access_mode = "mmap"
		device.profile.name = "analog-stereo"
		device.profile.description = "Analog Stereo"
		device.description = "sun4i-codec Analog Stereo"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card"
	Ports:
		analog-output: Analog Output (priority: 9900)
	Active Port: analog-output
	Formats:
		pcm

Sink #1
	State: IDLE
	Name: alsa_output.platform-1c22c00.codec.analog-stereo.echo-cancel
	Description: sun4i-codec Analog Stereo (echo cancelled with sun4i-codec Analog Stereo)
	Driver: module-echo-cancel.c
	Sample Specification: s16le 1ch 8000Hz
	Channel Map: mono
	Owner Module: 18
	Mute: no
	Volume: mono: 45876 /  70%
	        balance 0.00
	Base Volume: 65536 / 100%
	Monitor Source: alsa_output.platform-1c22c00.codec.analog-stereo.echo-cancel.monitor
	Latency: 99003 usec, configured 99954 usec
	Flags: HW_MUTE_CTRL LATENCY
	Properties:
		device.master_device = "alsa_output.platform-1c22c00.codec.analog-stereo"
		device.class = "filter"
		device.intended_roles = "phone"
		device.description = "sun4i-codec Analog Stereo (echo cancelled with sun4i-codec Analog Stereo)"
		device.icon_name = "audio-card"
	Formats:
		pcm

Source #0
	State: IDLE
	Name: alsa_output.platform-1c22c00.codec.analog-stereo.monitor
	Description: Monitor of sun4i-codec Analog Stereo
	Driver: module-alsa-card.c
	Sample Specification: s16le 2ch 44100Hz
	Channel Map: front-left,front-right
	Owner Module: 6
	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: alsa_output.platform-1c22c00.codec.analog-stereo
	Latency: 0 usec, configured 99954 usec
	Flags: DECIBEL_VOLUME LATENCY
	Properties:
		device.description = "Monitor of sun4i-codec Analog Stereo"
		device.class = "monitor"
		alsa.card = "0"
		alsa.card_name = "sun4i-codec"
		alsa.long_card_name = "sun4i-codec"
		alsa.driver_name = "sun4i_codec"
		device.bus_path = "platform-1c22c00.codec"
		sysfs.path = "/devices/platform/soc@01c00000/1c22c00.codec/sound/card0"
		device.string = "0"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card"
	Formats:
		pcm

Source #1
	State: RUNNING
	Name: alsa_input.platform-1c22c00.codec.analog-stereo
	Description: sun4i-codec Analog Stereo
	Driver: module-alsa-card.c
	Sample Specification: s16le 2ch 48000Hz
	Channel Map: front-left,front-right
	Owner Module: 6
	Mute: no
	Volume: front-left: 45876 /  70% / -9.29 dB,   front-right: 45876 /  70% / -9.29 dB
	        balance 0.00
	Base Volume: 65536 / 100% / 0.00 dB
	Monitor of Sink: n/a
	Latency: 73 usec, configured 99954 usec
	Flags: HARDWARE DECIBEL_VOLUME LATENCY
	Properties:
		alsa.resolution_bits = "16"
		device.api = "alsa"
		device.class = "sound"
		alsa.class = "generic"
		alsa.subclass = "generic-mix"
		alsa.name = ""
		alsa.id = "CDC PCM Codec-0"
		alsa.subdevice = "0"
		alsa.subdevice_name = "subdevice #0"
		alsa.device = "0"
		alsa.card = "0"
		alsa.card_name = "sun4i-codec"
		alsa.long_card_name = "sun4i-codec"
		alsa.driver_name = "sun4i_codec"
		device.bus_path = "platform-1c22c00.codec"
		sysfs.path = "/devices/platform/soc@01c00000/1c22c00.codec/sound/card0"
		device.string = "hw:0"
		device.buffering.buffer_size = "17632"
		device.buffering.fragment_size = "4408"
		device.access_mode = "mmap"
		device.profile.name = "analog-stereo"
		device.profile.description = "Analog Stereo"
		device.description = "sun4i-codec Analog Stereo"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card"
	Ports:
		analog-input: Analog Input (priority: 10000)
	Active Port: analog-input
	Formats:
		pcm

Source #2
	State: IDLE
	Name: baresip
	Description: sun4i-codec Analog Stereo (echo cancelled with sun4i-codec Analog Stereo)
	Driver: module-echo-cancel.c
	Sample Specification: s16le 1ch 8000Hz
	Channel Map: mono
	Owner Module: 18
	Mute: no
	Volume: mono: 45876 /  70%
	        balance 0.00
	Base Volume: 65536 / 100%
	Monitor of Sink: n/a
	Latency: 910 usec, configured 99954 usec
	Flags: HW_MUTE_CTRL LATENCY
	Properties:
		device.master_device = "alsa_input.platform-1c22c00.codec.analog-stereo"
		device.class = "filter"
		device.intended_roles = "phone"
		device.description = "sun4i-codec Analog Stereo (echo cancelled with sun4i-codec Analog Stereo)"
		device.icon_name = "audio-input-microphone"
	Formats:
		pcm

Source #3
	State: IDLE
	Name: alsa_output.platform-1c22c00.codec.analog-stereo.echo-cancel.monitor
	Description: Monitor of sun4i-codec Analog Stereo (echo cancelled with sun4i-codec Analog Stereo)
	Driver: module-echo-cancel.c
	Sample Specification: s16le 1ch 8000Hz
	Channel Map: mono
	Owner Module: 18
	Mute: no
	Volume: mono: 65536 / 100% / 0.00 dB
	        balance 0.00
	Base Volume: 65536 / 100% / 0.00 dB
	Monitor of Sink: alsa_output.platform-1c22c00.codec.analog-stereo.echo-cancel
	Latency: 0 usec, configured 99954 usec
	Flags: DECIBEL_VOLUME LATENCY
	Properties:
		device.description = "Monitor of sun4i-codec Analog Stereo (echo cancelled with sun4i-codec Analog Stereo)"
		device.class = "monitor"
		device.icon_name = "audio-input-microphone"
	Formats:
		pcm

Sink Input #0
	Driver: module-echo-cancel.c
	Owner Module: 18
	Client: n/a
	Sink: 0
	Sample Specification: s16le 1ch 8000Hz
	Channel Map: mono
	Format: pcm, format.sample_format = "\"s16le\""  format.rate = "8000"  format.channels = "1"  format.channel_map = "\"mono\""
	Corked: no
	Mute: no
	Volume: mono: 45876 /  70% / -9.29 dB
	        balance 0.00
	Buffer Latency: 113 usec
	Sink Latency: 99082 usec
	Resample method: speex-fixed-1
	Properties:
		media.name = "Echo-Cancel Sink Stream"
		media.role = "filter"
		module-stream-restore.id = "sink-input-by-media-role:filter"

Source Output #0
	Driver: module-echo-cancel.c
	Owner Module: 18
	Client: n/a
	Source: 1
	Sample Specification: s16le 1ch 8000Hz
	Channel Map: mono
	Format: pcm, format.sample_format = "\"s16le\""  format.rate = "8000"  format.channels = "1"  format.channel_map = "\"mono\""
	Corked: no
	Mute: no
	Volume: mono: 45876 /  70% / -9.29 dB
	        balance 0.00
	Buffer Latency: 0 usec
	Source Latency: 49 usec
	Resample method: speex-fixed-1
	Properties:
		media.name = "Echo-Cancel Source Stream"
		media.role = "filter"
		module-stream-restore.id = "source-output-by-media-role:filter"

Client #0
	Driver: module-systemd-login.c
	Owner Module: 13
	Properties:
		application.name = "Login Session 2"
		systemd-login.session = "2"

Client #7
	Driver: protocol-native.c
	Owner Module: 7
	Properties:
		application.name = "pactl"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "30"
		application.process.id = "1210"
		application.process.user = "nombre"
		application.process.host = "lime"
		application.process.binary = "pactl"
		application.language = "C"
		application.process.machine_id = "064c6fbffd20484e85b6c8e85bf2352d"
		application.process.session_id = "2"

Card #0
	Name: alsa_card.platform-1c22c00.codec
	Driver: module-alsa-card.c
	Owner Module: 6
	Properties:
		alsa.card = "0"
		alsa.card_name = "sun4i-codec"
		alsa.long_card_name = "sun4i-codec"
		alsa.driver_name = "sun4i_codec"
		device.bus_path = "platform-1c22c00.codec"
		sysfs.path = "/devices/platform/soc@01c00000/1c22c00.codec/sound/card0"
		device.string = "0"
		device.description = "sun4i-codec"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card"
	Profiles:
		input:analog-mono: Analog Mono Input (sinks: 0, sources: 1, priority: 2, available: yes)
		input:analog-stereo: Analog Stereo Input (sinks: 0, sources: 1, priority: 60, available: yes)
		output:analog-mono: Analog Mono Output (sinks: 1, sources: 0, priority: 200, available: yes)
		output:analog-mono+input:analog-mono: Analog Mono Duplex (sinks: 1, sources: 1, priority: 202, available: yes)
		output:analog-mono+input:analog-stereo: Analog Mono Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 260, available: yes)
		output:analog-stereo: Analog Stereo Output (sinks: 1, sources: 0, priority: 6000, available: yes)
		output:analog-stereo+input:analog-mono: Analog Stereo Output + Analog Mono Input (sinks: 1, sources: 1, priority: 6002, available: yes)
		output:analog-stereo+input:analog-stereo: Analog Stereo Duplex (sinks: 1, sources: 1, priority: 6060, available: yes)
		off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
	Active Profile: output:analog-stereo+input:analog-stereo
	Ports:
		analog-input: Analog Input (priority: 10000, latency offset: 0 usec)
			Part of profile(s): input:analog-mono, input:analog-stereo, output:analog-mono+input:analog-mono, output:analog-mono+input:analog-stereo, output:analog-stereo+input:analog-mono, output:analog-stereo+input:analog-stereo
		analog-output: Analog Output (priority: 9900, latency offset: 0 usec)
			Part of profile(s): output:analog-mono, output:analog-mono+input:analog-mono, output:analog-mono+input:analog-stereo, output:analog-stereo, output:analog-stereo+input:analog-mono, output:analog-stereo+input:analog-stereo