https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda?id=6a05ac4afa90ac9c38fedd3f6940fe8da5d1fcf6

your alc888 have two digital outs

the previous implementation

The multiple outputs are handled as slave streams, so only one PCM stream (and 
the corresponding IEC958*
elements) is provided to control both digital outputs. 


HDMI - OK (simultaneously with S/PDIF)
 S/PDIF - OK (simultaneously with HDMI)



https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa/HD-Audio.txt

e.g. you can use hint

indep_hp=1

by early patching to crdate the alt analog device 2 for the headphone


https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda?id=9a08160bdbe3148a405f72798f76e2a5d30bd243


When "IEC958 Default PCM" switch is on, the PCM stream is routed both to
analog and SPDIF outputs.

sound is routed to analog, spdif and hdmi in your case


https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda?id=ccfcf7d151c01969133b5555eed635537c41c944

those HDMI 1.3 support Jack detection

graphic driver get HDMI TV 's EDID and pass ELD to audio driver

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda?id=1613d6b46b433f07f1d2703e4bd102802dcd75a4


https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda?id=ea9b43addc4d90ca5b029f47f85ca152320a1e8d

you have to ask tiwai how to solve your case by providing the working
and non working alsa-info


it is possible to split into two digital devices 1 and 3 so that you can play 
different audio to HDMI  and S/PDIF if the hda controller support four SDO 
playback streams but will lost the capabitiy of playing audio to HDMI and spdif

-- 
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/1247160

Title:
  Ubuntu 13.10 [Studio Hybrid 140g, Realtek ALC888, Black Digital Out,
  HDMI] No sound at all

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

Bug description:
  The problem I reported regarding no audio/sound over HDMI in Ubuntu 11
  series as bug #793592, which was fixed in 12.04 and 12.10, has
  unfortunately reappeared in Ubuntu 13.10 following a fresh
  installation.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  Uname: Linux 3.11.0-12-generic i686
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  kitchen    1763 F.... pulseaudio
   /dev/snd/controlC0:  kitchen    1763 F.... pulseaudio
  Date: Fri Nov  1 17:49:50 2013
  InstallationDate: Installed on 2013-11-01 (0 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release i386 (20131016.1)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
  Symptom_Card: Built-in Audio - HDA Intel
  Symptom_DevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  kitchen    1763 F.... pulseaudio
   /dev/snd/controlC0:  kitchen    1763 F.... pulseaudio
  Symptom_Jack: Black Digital Out, HDMI
  Symptom_Type: No sound at all
  Title: [Studio Hybrid 140g, Realtek ALC888, Black Digital Out, HDMI] No sound 
at all
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/09/2009
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.1.0
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: 0P096C
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 3
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: '01'
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.1.0:bd11/09/2009:svnDellInc.:pnStudioHybrid140g:pvr00:rvnDellInc.:rn0P096C:rvrA00:cvnDellInc.:ct3:cvr'01':
  dmi.product.name: Studio Hybrid 140g
  dmi.product.version: 00
  dmi.sys.vendor: Dell Inc.

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