[alsa-devel] 5.1 sound system works as 2.0 on all kernels newer than 3.2.21

[Raymond Yau]

2014-03-09 21:44 GMT+08:00 <giperon at land.ru>:

> Hi, my 5.1 sound system works as 2.0 on all kernels newer than 3.2.21.
> Control "Channel Mode" is missing in "Alsamixer".
> I use the option "3stack-6ch" (module snd-hda-intel, Realtetsk codec
> ALC882) for kernel 3.2.21.
>
> "Alsa-info" for kernels 3.2.21 and 3.13.6 attached.
>

what is the model of your computer 's motherboard ?

how many audio jacks at rear panel ?

if it only have three jacks (green , pink and blue) at rear panel , you
need to fixup the following pin default to [N/A]


Node 0x15 [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out
  Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
  Amp-In vals:  [0x00 0x00]
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x00 0x00]
  Pincap 0x0000003f: IN OUT HP Detect Trigger ImpSense
  Pin Default 0x01016412: [Jack] Line Out at Ext Rear
    Conn = 1/8, Color = Orange
    DefAssociation = 0x1, Sequence = 0x2
  Pin-ctls: 0x40: OUT
  Unsolicited: tag=00, enabled=0
  Connection: 5
     0x0c 0x0d* 0x0e 0x0f 0x26
Node 0x16 [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out
  Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
  Amp-In vals:  [0x00 0x00]
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x00 0x00]
  Pincap 0x0000003f: IN OUT HP Detect Trigger ImpSense
  Pin Default 0x01011411: [Jack] Line Out at Ext Rear
    Conn = 1/8, Color = Black
    DefAssociation = 0x1, Sequence = 0x1
  Pin-ctls: 0x40: OUT
  Unsolicited: tag=00, enabled=0
  Connection: 5
     0x0c 0x0d 0x0e* 0x0f 0x26
Node 0x17 [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out
  Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
  Amp-In vals:  [0x00 0x00]
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x00 0x00]
  Pincap 0x0000003f: IN OUT HP Detect Trigger ImpSense
  Pin Default 0x01012414: [Jack] Line Out at Ext Rear
    Conn = 1/8, Color = Grey
    DefAssociation = 0x1, Sequence = 0x4
  Pin-ctls: 0x40: OUT
  Unsolicited: tag=00, enabled=0
  Connection: 5
     0x0c 0x0d 0x0e 0x0f* 0x26