try hda-jack-sense-test to verify the nodes of front panel jacks and rear panel jacks by plug and unplug the Mic jacks and line in jack
it is unlikely node 0x15 is the front Mic jack since pincap does not support DETECT Node 0x15 [Pin Complex] wcaps 0x400001: Stereo Control: name="Front Mic Phantom Jack", index=0, device=0 Pincap 0x00000020: IN Pin Default 0x9033012e: [Fixed] CD at Int N/A Conn = ATAPI, Color = Unknown DefAssociation = 0x2, Sequence = 0xe Misc = NO_PRESENCE Pin-ctls: 0x20: IN -- 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/1185497 Title: [PI945GCM, SigmaTel STAC9221 A2, Green Headphone Out, Front] No sound at all Status in “alsa-driver” package in Ubuntu: Confirmed Bug description: I can not hear from any radio station ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: alsa-base 1.0.25+dfsg-0ubuntu1.1 ProcVersionSignature: Ubuntu 3.2.0-41.65-generic 3.2.42 Uname: Linux 3.2.0-41-generic i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu17.2 Architecture: i386 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog] Subdevices: 2/2 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: hssatyanarayana 1756 F.... pulseaudio Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xfea38000 irq 40' Mixer name : 'SigmaTel STAC9221 A2' Components : 'HDA:83847682,10192633,00103601' Controls : 26 Simple ctrls : 14 Date: Wed May 29 21:07:36 2013 InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5) MarkForUpload: True PackageArchitecture: all ProcEnviron: PATH=(custom, no user) LANG=en_IN SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel successful Symptom_Card: Built-in Audio - HDA Intel Symptom_DevicesInUse: 1563 1756 lightdm F.... pulseaudio hssatyanarayana F.... pulseaudio Symptom_Jack: Green Headphone Out, Front Symptom_PulsePlaybackTest: PulseAudio playback test successful Symptom_Type: No sound at all Title: [PI945GCM, SigmaTel STAC9221 A2, Green Headphone Out, Front] No sound at all UpgradeStatus: Upgraded to precise on 2012-10-10 (231 days ago) dmi.bios.date: 08/16/2007 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 080012 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: PI945GCM dmi.board.vendor: Kobian dmi.board.version: ECS dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: Kobian dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr080012:bd08/16/2007:svnKobian:pnPI945GCM:pvr1.X:rvnKobian:rnPI945GCM:rvrECS:cvnKobian:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: PI945GCM dmi.product.version: 1.X dmi.sys.vendor: Kobian To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1185497/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp