there are difference between your macpro5,1 and other's macpro5,1 since the driver assume line in and mic jack are retaskable for supporting 5.1 (especially all jacks are at same location)
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 -- 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