Comment 107 for bug 1201528

http://www.intel.com/content/www/us/en/motherboards/desktop-motherboards/desktop-board-dp55wg.html

10-channel (7.1+ 2 independent multi-streaming) audio subsystem with five analog audio outputs and two optical S/PDIF digital audio for input and output using the Realtek * ALC889 audio codec

do it has RCA coaxial ?

Node 0x11 [Pin Complex] wcaps 0x400300: Mono Digital
  Control: name="SPDIF Phantom Jack", index=0, device=0
  Pincap 0x00000010: OUT
  Pin Default 0x01442130: [Jack] SPDIF Out at Ext Rear
    Conn = RCA, Color = Grey
    DefAssociation = 0x3, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x40: OUT
  Connection: 1
     0x10

Node 0x1e [Pin Complex] wcaps 0x400300: Mono Digital
  Control: name="SPDIF Phantom Jack", index=1, device=0
  Pincap 0x00000010: OUT
  Pin Default 0x01451140: [Jack] SPDIF Out at Ext Rear
    Conn = Optical, Color = Black
    DefAssociation = 0x4, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x40: OUT
  Connection: 1
     0x06
Node 0x1f [Pin Complex] wcaps 0x400280: Mono Digital
  Control: name="SPDIF In Phantom Jack", index=0, device=0
  Pincap 0x00000020: IN
  Pin Default 0x01c51170: [Jack] SPDIF In at Ext Rear
    Conn = Optical, Color = Black
    DefAssociation = 0x7, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x20: IN
  Unsolicited: tag=00, enabled=0

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_realtek.c?id=6732bd0d15893d20359396309adc238e0af10b58

this patch add alc889_coef_init for motherboard with 6 jacks

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_realtek.c?id=20b67dddcc5f29d3d0c900225d85e0ac655bc69d

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound?id=68ef0561efe494143516df38c03a16b837b8e79c

seem add back only to DC58SO

 SND_PCI_QUIRK(0x8086, 0x0022, "DX58SO", ALC889_FIXUP_COEF),