post the pulseaudio log to find out why internal mic port is missing
https://wiki.ubuntu.com/PulseAudio/Log
ports:
analog-input-microphone: Microphone (priority 8700, available:
no)
properties:
Node 0x12 [Pin Complex] wcaps 0x400401: Stereo
Pincap 0x00000020: IN
Pin Default 0x90a60930: [Fixed] Mic at Int N/A
Conn = Digital, Color = Unknown
DefAssociation = 0x3, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x20: IN
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Node 0x18 [Pin Complex] wcaps 0x40058f: Stereo Amp-In Amp-Out
Control: name="Mic Boost Volume", index=0, device=0
ControlAmp: chs=3, dir=In, idx=0, ofs=0
Control: name="Mic Jack", index=0, device=0
Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
Amp-In vals: [0x00 0x00]
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x80 0x80]
Pincap 0x00003734: IN OUT Detect
Vref caps: HIZ 50 GRD 80 100
Pin Default 0x03a19820: [Jack] Mic at Ext Left
Conn = 1/8, Color = Pink
DefAssociation = 0x2, Sequence = 0x0
Pin-ctls: 0x21: IN VREF_50
Unsolicited: tag=02, enabled=1
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 3
0x0c* 0x0d 0x0e
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1073420
Title:
[Dell Inspiron One 2020] No Microphone Interface
Status in “alsa-driver” package in Ubuntu:
Confirmed
Bug description:
cid: 201201-10396
Screenshot of Sound Setting is as attachment.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-29-generic 3.2.0-29.46
ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24
Uname: Linux 3.2.0-29-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC662 rev3 Analog [ALC662 rev3
Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 2.0.1-0ubuntu12
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC662 rev3 Analog [ALC662 rev3
Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 1481 F.... pulseaudio
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211
not found.
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf7c00000 irq 45'
Mixer name : 'Realtek ALC662 rev3'
Components : 'HDA:10ec0662,10280579,00100300'
Controls : 15
Simple ctrls : 8
Date: Tue Oct 30 23:23:15 2012
HibernationDevice: RESUME=UUID=2e028e23-1571-4400-a9a5-caae0faa8498
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64
(20120823.1)
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
MachineType: Dell Inc. Inspiron One 2020
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-29-generic
root=UUID=f1b7b485-ec30-4b1c-93b2-22e39aeae682 ro quiet splash initcall_debug
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-29-generic N/A
linux-backports-modules-3.2.0-29-generic N/A
linux-firmware 1.79
RfKill:
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/23/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: X21
dmi.board.name: 03HC21
dmi.board.vendor: Dell Inc.
dmi.board.version: X02
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrX21:bd07/23/2012:svnDellInc.:pnInspironOne2020:pvr:rvnDellInc.:rn03HC21:rvrX02:cvnDellInc.:ct3:cvr:
dmi.product.name: Inspiron One 2020
dmi.sys.vendor: Dell Inc.
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