Internal mic stopped working

Pin

New Member
Credits
97
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

I can see that the mic is off but I have not managed to turn it on. The arrows of the keyboard do not work under the mic tab.

Screenshots from pulseAudio Volume Control

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



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

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


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>


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


inxi -A
Audio:
Device-1: Intel Sunrise Point-LP HD Audio driver: snd_hda_intel
Sound Server: ALSA v: k4.15.0-20-generic

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.
 


Condobloke

Well-Known Member
Credits
14,945
G'day Pin, Welcome to Linux.org

What has happened in the past two weeks for this to happen ?

what has changed/updated/been added/ etc etc

Do you have Timeshift set up?
 

Pin

New Member
Credits
97
Good morning Condobloke

I am not aware of any change that caused the problem.

I tried to use a backup with Timeshift but it did not work.

Thank you
 

Condobloke

Well-Known Member
Credits
14,945
If you have Timeshift snapshots.....does ONE of them predate when the problem started?
 

Condobloke

Well-Known Member
Credits
14,945
SO you clicked on Timeshift, and then entered your password.

This will have bought up a 'window' showing your snapshot

You would then have single clicked on that snapshot which will have highlighted it.

Then you will click on RESTORE in the top of that window.

Did you make any changes after doing that or just click next and OK etc

(where is the snapshot stored?....on the same drive as your OS or do you have an external hard drive)
 

Pin

New Member
Credits
97
The snapshot is stored on an external hd.

I just clicked next and OK etc.

I followed the procedure but the problem is still there.
 
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