it is because pulseaudio expect internal Michael phantom jack
Node 0x11 [Pin Complex] wcaps 0x400483: Stereo Amp-In
Control: name="Internal Mic Capture Volume", index=0, device=0
ControlAmp: chs=3, dir=In, idx=0, ofs=0
Amp-In caps: N/A
Amp-In vals: [0x00 0x00]
Pincap 0x00000024: IN Detect
Pin Default 0xd5a30160: [Both] Mic at Int Top
Conn = ATAPI, Color = Unknown
DefAssociation = 0x6, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x20: IN
Unsolicited: tag=00, enabled=0
Power: setting=D0, actual=D0
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https://bugs.launchpad.net/bugs/1000245
Title:
[Vostro 3300, IDT 92HD81B1X5, Black Mic, Front]line-in problem
Status in “pulseaudio” package in Ubuntu:
Incomplete
Bug description:
My system is currently not detecting my line in where I have my
external mic connected. All gets fixed if I launched alsamixer
manually and change line in to mic in. This setting seems to get reset
if I unplug the mic.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: wl
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: victorp 2204 F.... pulseaudio
/dev/snd/pcmC0D0c: victorp 2204 F...m pulseaudio
/dev/snd/pcmC0D0p: victorp 2204 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfbc00000 irq 48'
Mixer name : 'IDT 92HD81B1X5'
Components : 'HDA:111d7605,1028043f,00100105'
Controls : 16
Simple ctrls : 9
CheckboxSubmission: f8fcd8a517eb3250a1fc919cb5086760
CheckboxSystem: d00f84de8a555815fa1c4660280da308
Date: Wed May 16 15:03:59 2012
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Beta amd64 (20100901.1)
PackageArchitecture: all
ProcEnviron:
TERM=xterm
PATH=(custom, user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Built-in Audio - HDA Intel
Symptom_Jack: Black Mic, Front
Symptom_Type: Volume slider, or mixer problems
Title: [Vostro 3300, IDT 92HD81B1X5, Black Mic, Front] volume slider problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/21/2010
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A04
dmi.board.name: 030DMJ
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias:
dmi:bvnDellInc.:bvrA04:bd05/21/2010:svnDellInc.:pnVostro3300:pvrNotSpecified:rvnDellInc.:rn030DMJ:rvrA00:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: Vostro 3300
dmi.product.version: Not Specified
dmi.sys.vendor: Dell Inc.
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