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Bepi 09-13-2021 01:11 AM
Linux Mint 19.1 internal microphone stopped working
 
Hello,

My internal mic worked up to 2 weeks ago and then it stopped working completely.
I have tested the mic under Windows 10 and it works.

I am using linux mint 19.1

See below some info I have gathered.

Screenshot from alsamixer:
https://ibb.co/zs3GqyF


Screenshots from pulseAudio Volume Control

https://ibb.co/QQPtVP1
https://ibb.co/2YtVh7W
https://ibb.co/Ydp4fvD



Screen Shot 2021-09-12 at 9.40.37 PM
Code:
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
Subsystem: Hewlett-Packard Company Sunrise Point-LP HD Audio

Audio:
Device-1: Intel Sunrise Point-LP HD Audio vendor: Hewlett-Packard
driver: snd_hda_intel v: kernel bus ID: 00:1f.3
Sound Server: ALSA v: k4.15.0-20-generic
Code:
dmesg | grep snd
[ 42.548778] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
[ 42.608378] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC236: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
[ 42.608381] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 42.608382] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1 (0x21/0x0/0x0/0x0/0x0)
[ 42.608384] snd_hda_codec_realtek hdaudioC0D0: mono: mono_out=0x0
[ 42.608385] snd_hda_codec_realtek hdaudioC0D0: inputs:
[ 42.608387] snd_hda_codec_realtek hdaudioC0D0: Mic=0x18
[ 42.608388] snd_hda_codec_realtek hdaudioC0D0: Internal Mic=0x19
[ 42.608389] snd_hda_codec_realtek hdaudioC0D0: Internal Mic=0x12
[ 43.133339] Modules linked in: rtl8821ce(OE+) 8821ce(OE) snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_soc_skl snd_soc_skl_ipc snd_hda_ext_core snd_soc_sst_dsp snd_soc_sst_ipc snd_soc_acpi snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine intel_rapl snd_hda_intel x86_pkg_temp_thermal intel_powerclamp snd_hda_codec coretemp kvm_intel snd_hda_core snd_hwdep kvm irqbypass crct10dif_pclmul btusb btrtl btbcm btintel crc32_pclmul ghash_clmulni_intel bluetooth snd_pcm snd_seq_midi pcbc snd_seq_midi_event ecdh_generic snd_rawmidi aesni_intel aes_x86_64 crypto_simd glue_helper cryptd intel_cstate snd_seq intel_rapl_perf hp_wmi(+) wmi_bmof snd_seq_device snd_timer joydev input_leds intel_wmi_thunderbolt serio_raw snd cfg80211 soundcore shpchp mei_me mei intel_pch_thermal processor_thermal_device
[ 43.133547] Modules linked in: rtl8821ce(OE+) 8821ce(OE) snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_soc_skl snd_soc_skl_ipc snd_hda_ext_core snd_soc_sst_dsp snd_soc_sst_ipc snd_soc_acpi snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine intel_rapl snd_hda_intel x86_pkg_temp_thermal intel_powerclamp snd_hda_codec coretemp kvm_intel snd_hda_core snd_hwdep kvm irqbypass crct10dif_pclmul btusb btrtl btbcm btintel crc32_pclmul ghash_clmulni_intel bluetooth snd_pcm snd_seq_midi pcbc snd_seq_midi_event ecdh_generic snd_rawmidi aesni_intel aes_x86_64 crypto_simd glue_helper cryptd intel_cstate snd_seq intel_rapl_perf hp_wmi(+) wmi_bmof snd_seq_device snd_timer joydev input_leds intel_wmi_thunderbolt serio_raw snd cfg80211 soundcore shpchp mei_me mei intel_pch_thermal processor_thermal_device
[ 3520.774530] snd_hda_intel 0000:00:1f.3: Unstable LPIB (65536 >= 32768); disabling LPIB delay counting
Code:
pacmd list-sources
2 source(s) available.
* index: 0
name: <alsa_output.pci-0000_00_1f.3.analog-stereo.monitor>
driver: <module-alsa-card.c>
flags: DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
state: RUNNING
suspend cause:
priority: 1030
volume: front-left: 98304 / 150% / 10.57 dB, front-right: 98304 / 150% / 10.57 dB
balance 0.00
base volume: 65536 / 100% / 0.00 dB
volume steps: 65537
muted: no
current latency: 0.00 ms
max rewind: 64 KiB
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 11
linked by: 11
configured latency: 26.00 ms; range is 26.00 .. 371.52 ms
monitor_of: 0
card: 0 <alsa_card.pci-0000_00_1f.3>
module: 7
properties:
device.description = "Monitor of Built-in Audio Analogue Stereo"
device.class = "monitor"
alsa.card = "0"
alsa.card_name = "HDA Intel PCH"
alsa.long_card_name = "HDA Intel PCH at 0xb1228000 irq 129"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:00:1f.3"
sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.id = "9d71"
device.product.name = "Sunrise Point-LP HD Audio"
device.form_factor = "internal"
device.string = "0"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
index: 1
name: <alsa_input.pci-0000_00_1f.3.analog-stereo>
driver: <module-alsa-card.c>
flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
state: RUNNING
suspend cause:
priority: 9039
volume: front-left: 65540 / 100% / 0.00 dB, front-right: 65540 / 100% / 0.00 dB
balance 0.00
base volume: 6554 / 10% / -60.00 dB
volume steps: 65537
muted: no
current latency: 0.37 ms
max rewind: 0 KiB
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 2
linked by: 2
configured latency: 40.00 ms; range is 0.50 .. 371.52 ms
card: 0 <alsa_card.pci-0000_00_1f.3>
module: 7
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "ALC236 Analog"
alsa.id = "ALC236 Analog"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "0"
alsa.card_name = "HDA Intel PCH"
alsa.long_card_name = "HDA Intel PCH at 0xb1228000 irq 129"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:00:1f.3"
sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.id = "9d71"
device.product.name = "Sunrise Point-LP HD Audio"
device.form_factor = "internal"
device.string = "front:0"
device.buffering.buffer_size = "65536"
device.buffering.fragment_size = "32768"
device.access_mode = "mmap+timer"
device.profile.name = "analog-stereo"
device.profile.description = "Analogue Stereo"
device.description = "Built-in Audio Analogue Stereo"
alsa.mixer_name = "Realtek ALC236"
alsa.components = "HDA:10ec0236,103c867c,00100002 HDA:8086280b,80860101,00100000"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
ports:
analog-input-internal-mic: Internal Microphone (priority 8900, latency offset 0 usec, available: unknown)
properties:
device.icon_name = "audio-input-microphone"
analog-input-mic: Microphone (priority 8700, latency offset 0 usec, available: no)
properties:
device.icon_name = "audio-input-microphone"
active port: <analog-input-internal-mic>
Code:
aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC236 Analog [ALC236 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 10: HDMI 4 [HDMI 4]
Subdevices: 1/1
Subdevice #0: subdevice #0
Code:
inxi -A
Audio:
Device-1: Intel Sunrise Point-LP HD Audio driver: snd_hda_intel
Sound Server: ALSA v: k4.15.0-20-generic
Code:
dmesg | grep Mic

[ 1.587409] microcode: Microcode Update Driver: v2.2.
[ 1.590986] Loaded UEFI:db cert 'Microsoft Windows Production PCA 2011: a92902398e16c49778cd90f99e4f9ae17c55af53' linked to secondary sys keyring
[ 1.591004] Loaded UEFI:db cert 'Microsoft Corporation UEFI CA 2011: 13adbf4309bd82709c8cd54f316ed522988a1bd4' linked to secondary sys keyring
[ 45.438049] snd_hda_codec_realtek hdaudioC0D0: Mic=0x18
[ 45.438050] snd_hda_codec_realtek hdaudioC0D0: Internal Mic=0x19
[ 45.438052] snd_hda_codec_realtek hdaudioC0D0: Internal Mic=0x12
[ 45.490185] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1f.3/sound/card0/input8

I would be grateful if someone can help me.

1
Reply

frankbell 09-13-2021 07:20 PM
For testing purposes, if this machine has an external mic jack, does the external work with Mint?

Also for testing purposes, you might try booting to a Live CD/USB of something not *buntu and seeing whether the mic works.

Bepi 09-14-2021 01:19 AM
I have tested it under Windows 10 and it works
I have tested it with a Live USB (Linux mint 19.3) and it works
I have used and external mic and I can see the volume moving

https://ibb.co/C5BDG7d

although I do not know what it is doing as I am not speaking and when I speak it does not make any difference.

When I unplug the external mic it is dead

https://ibb.co/QNpFRzZ


Thank you


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