[alsa-devel] In 3.8 kernel alsa only talks HDMI, hardware also has S/PDIF optical

[Raymond Yau]

>
> See https://bugzilla.redhat.com/show_bug.cgi?id=919630
> for details.
>
>
> On my Asus P8H67-V there really are two physically
> separate audio outputs. I have the optical port
> connected to my receiver for when I want to pass
> through the 5.1 audio tracks in movie files and
> DVDs and the HDMI connected to the TV for more
> ordinary audio (error beeps from the computer, etc).

There is also internal spdif connector

>
> In kernel 3.7.9 I could output to both devices
> (one at a time - never tried simultaneous).
>
> I've seen a bunch of patches in the archives that seem
> to be related to this, but if fedora 18 has those patches,
> they don't seem to be working.

Have  you install the corresponding  alsa lib patch ?

https://launchpadlibrarian.net/133258891/alsa-info.txt.riFi7hArcI

Espen Lund mention that he need to perform early patching to change pin
default of node 0x11 to spdif  out and node 0x1e from spdif  RCA  to [N/A]
for the optical spdif  in EVGA X58 SLI Classified which have both coaxial
and optical spdif

Node 0x11 [Pin Complex] wcaps 0x400300: Mono Digital
  Pincap 0x00000010: OUT
  Pin Default 0x18567130: [Jack] Digital Out at Int HDMI
    Conn = Digital, Color = Yellow
    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=0, device=0
  Pincap 0x00000010: OUT
  Pin Default 0x01441120: [Jack] SPDIF Out at Ext Rear
    Conn = RCA, Color = Black
    DefAssociation = 0x2, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x40: OUT
  Connection: 1
     0x06