try hda-jack-sense-test to verify the nodes of line out, headphone , line in and (mic ???) by plug and unplug
espeically check whether Line Out support jack detection or not Node 0x14 [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out Control: name="Front Playback Switch", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Control: name="Line Out Phantom 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: [0x00 0x00] Pincap 0x0000373c: IN OUT HP Detect Vref caps: HIZ 50 GRD 80 100 Pin Default 0x01010150: [Jack] Line Out at Ext Rear Conn = 1/8, Color = Unknown DefAssociation = 0x5, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x00: VREF_HIZ Unsolicited: tag=00, enabled=0 Connection: 5 0x0c* 0x0d 0x0e 0x0f 0x26 seem only axet 's Mac pro5,1 pin default has this mic (strange that headphone and mic are at ext rear ) at the same location of line in and line out ( there are four jacks at same location in some notebook which support 7.1) Node 0x18 [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out Control: name="Center Playback Switch", index=0, device=0 ControlAmp: chs=1, dir=Out, idx=0, ofs=0 Control: name="LFE Playback Switch", index=0, device=0 ControlAmp: chs=2, dir=Out, idx=0, ofs=0 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 0x0000373c: IN OUT HP Detect Vref caps: HIZ 50 GRD 80 100 Pin Default 0x01a19070: [Jack] Mic at Ext Rear Conn = 1/8, Color = Pink DefAssociation = 0x7, Sequence = 0x0 Pin-ctls: 0x24: IN VREF_80 Unsolicited: tag=04, enabled=1 Connection: 5 0x0c* 0x0d 0x0e 0x0f 0x26 https://bugzilla.redhat.com/attachment.cgi?id=574046 model imac24 seem only have master playback voluime at node 0x0c Node 0x0c [Audio Mixer] wcaps 0x20010f: Stereo Amp-In Amp-Out Control: name="Master Playback Volume", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Control: name="Master Playback Switch", index=0, device=0 ControlAmp: chs=3, dir=In, idx=0, ofs=0 Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-In vals: [0x00 0x00] [0x80 0x80] Amp-Out caps: ofs=0x40, nsteps=0x40, stepsize=0x03, mute=0 Amp-Out vals: [0x2f 0x2f] Connection: 2 0x02 0x0b -- 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/1026847 Title: [MacPro5,1, Realtek ALC889A, Green Headphone Out, Front] No sound at all Status in “alsa-driver” package in Ubuntu: New Bug description: Speaker works fine. The head phones do not work when I plug it in the front headphone jack. I have tried so so so many different things, none of them worked for me. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: alsa-base 1.0.25+dfsg-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-26.41-generic 3.2.19 Uname: Linux 3.2.0-26-generic x86_64 NonfreeKernelModules: wl fglrx AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu11 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: abinash 32605 F.... pulseaudio /dev/snd/controlC0: abinash 32605 F.... pulseaudio /dev/snd/controlC2: abinash 32605 F.... pulseaudio Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xa0520000 irq 67' Mixer name : 'Realtek ALC889A' Components : 'HDA:10ec0885,106b4200,00100103' Controls : 28 Simple ctrls : 10 Card1.Amixer.info: Card hw:1 'Generic'/'HD-Audio Generic at 0xa0440000 irq 68' Mixer name : 'ATI R6xx HDMI' Components : 'HDA:1002aa01,00aa0100,00100200' Controls : 6 Simple ctrls : 1 Card1.Amixer.values: Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Card2.Amixer.info: Card hw:2 'U0x46d0x81b'/'USB Device 0x46d:0x81b at usb-0000:00:1d.7-3, high speed' Mixer name : 'USB Mixer' Components : 'USB046d:081b' Controls : 2 Simple ctrls : 1 Card2.Amixer.values: Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum Capture channels: Mono Limits: Capture 0 - 6144 Mono: Capture 6144 [100%] [30.00dB] [on] Date: Thu Jul 19 12:40:51 2012 InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) PackageArchitecture: all ProcEnviron: LANGUAGE=en_US:en PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed Symptom_Card: Built-in Audio - HDA Intel Symptom_DevicesInUse: 32605 32605 32605 abinash F.... pulseaudio /dev/snd/controlC0: abinash F.... pulseaudio /dev/snd/controlC2: abinash F.... pulseaudio Symptom_Jack: Green Headphone Out, Rear Symptom_Type: No sound at all Title: [MacPro5,1, Realtek ALC889A, Green Headphone Out, Rear] No sound at all UpgradeStatus: Upgraded to precise on 2012-06-26 (22 days ago) dmi.bios.date: 10/07/10 dmi.bios.vendor: Apple Inc. dmi.bios.version: MP51.88Z.007F.B03.1010071432 dmi.board.asset.tag: 0 dmi.board.name: Mac-F221BEC8 dmi.board.vendor: Apple Inc. dmi.chassis.type: 7 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-F221BEC8 dmi.modalias: dmi:bvnAppleInc.:bvrMP51.88Z.007F.B03.1010071432:bd10/07/10:svnAppleInc.:pnMacPro5,1:pvr0.0:rvnAppleInc.:rnMac-F221BEC8:rvr:cvnAppleInc.:ct7:cvrMac-F221BEC8: dmi.product.name: MacPro5,1 dmi.product.version: 0.0 dmi.sys.vendor: Apple Inc. mtime.conffile..etc.modprobe.d.alsa.base.conf: 2012-07-17T10:37:08.120965 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1026847/+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