[alsa-devel] Smart 5.1 function not working on VIA VT1708S with *three* jacks on mainboard

[Raymond Yau]

2010/7/8 Clemens Ladisch <clemens at ladisch.de>

> Viliam Kubis wrote:
> > Hello, for quite some time the "Smart 5.1" function in alsa is not
> working
> > properly when motherboard has only 3 audio jacks.
> >
> > speaker-test -c 4 -t wav -Dsurround40
> >
> > Channels count (4) not available for playbacks: Invalid argument
>
> Please try the patch below.
>
> (This function uses 0x12 and 0x13 as the NIDs for the center/LFE and
> side DACs.  Shouldn't these be 0x24 and 0x25, as per the datasheet?)
>

Node 0x12 seem to be for digital out since it connected to node 0x20

I guess we still lack the info about the retasking of pink and blue jack to
the surround output


Node 0x12 [Audio Output] wcaps 0x611: Stereo Digital
  Control: name="IEC958 Playback Con Mask", index=0, device=0
  Control: name="IEC958 Playback Pro Mask", index=0, device=0
  Control: name="IEC958 Playback Default", index=0, device=0
  Control: name="IEC958 Playback Switch", index=0, device=0
  Control: name="IEC958 Default PCM Playback Switch", index=0, device=0
  Device: name="VT1708S Digital", type="SPDIF", device=1
  Converter: stream=5, channel=0
  Digital: Enabled
  Digital category: 0x0
  PCM:
    rates [0x5e0]: 44100 48000 88200 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power states:  D0 D1 D2 D3
  Power: setting=D0, actual=D0


Node 0x20 [Pin Complex] wcaps 0x400701: Stereo Digital
  Pincap 0x00000010: OUT
  Pin Default 0x074311f0: [Jack] SPDIF Out at Ext Rear Panel
    Conn = ATAPI, Color = Black
    DefAssociation = 0xf, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x40: OUT
  Power states:  D0 D1 D2 D3
  Power: setting=D0, actual=D0
  Connection: 1
     0x12