http://git.kernel.org/?p=linux/kernel/git/tiwai/sound.git;a=commitdiff;h=c21ca4a872697aeda4fe91bf9b6cc8380c62827c;hp=03c6901ea22bbb532586334d5b79941ccf56d5b0

the above commit require line out type must be AUTO_PIN_LINE_OUT to
create "line jack mode" to retask blue as line out for multi channels
playback

this means that you need a pin fixup for 0x0d from speaker to line out
at ext rear

/* check whether the line-input can be used as line-out */
static hda_nid_t check_line_out_switch(struct hda_codec *codec)
{
        struct sigmatel_spec *spec = codec->spec;
        struct auto_pin_cfg *cfg = &spec->autocfg;
        hda_nid_t nid;
        unsigned int pincap;

        if (cfg->line_out_type != AUTO_PIN_LINE_OUT)
                return 0;

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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/1074427

Title:
  [SG41, IDT 92HD89C2, Green Headphone Out, Front] No sound at all

Status in “alsa-driver” package in Ubuntu:
  New

Bug description:
  Watching a dvr-ms video

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-32.51-generic 3.2.30
  Uname: Linux 3.2.0-32-generic x86_64
  NonfreeKernelModules: nvidia
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu14
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  hugo       1769 F.... pulseaudio
   /dev/snd/controlC0:  hugo       1769 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf9ffc000 irq 44'
     Mixer name : 'IDT 92HD89C2'
     Components : 'HDA:111d76c1,12974001,00100102'
     Controls      : 33
     Simple ctrls  : 19
  Card1.Amixer.info:
   Card hw:1 'SAA7134'/'saa7133[0] at 0xfebff800 irq 17'
     Mixer name : 'SAA7134 Mixer'
     Components : ''
     Controls      : 6
     Simple ctrls  : 3
  Date: Fri Nov  2 17:55:45 2012
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 
(20120823.1)
  PackageArchitecture: all
  ProcEnviron:
   PATH=(custom, no user)
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel successful
  Symptom_Card: Audio interne - HDA Intel
  Symptom_DevicesInUse:
   1769  1769  hugo      F.... pulseaudio
   /dev/snd/controlC0:  hugo      F.... pulseaudio
  Symptom_Jack: Green Headphone Out, Front
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: No sound at all
  Title: [SG41, IDT 92HD89C2, Green Headphone Out, Front] No sound at all
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/01/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 080015
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: FG41
  dmi.board.vendor: Shuttle Inc
  dmi.board.version: V20
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Shuttle Inc
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr080015:bd02/01/2010:svnShuttleInc:pnSG41:pvrV20:rvnShuttleInc:rnFG41:rvrV20:cvnShuttleInc:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: SG41
  dmi.product.version: V20
  dmi.sys.vendor: Shuttle Inc

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