[alsa-devel] [ALC668]: Asus N751JK - Incorrect default pin assignment for external base speaker and external microphone not working

[Raymond Yau]

>
> Alsa-info patched kernel:
http://www.alsa-project.org/db/?f=cd23a3f0bb72e38d73224620e3e8ab57a73aa441

Node 0x1a [Pin Complex] wcaps 0x40058f: Stereo Amp-In Amp-Out
  Control: name="Bass Speaker Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="Speaker Surround Jack", index=0, device=0
  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:  [0x80 0x80]
  Pincap 0x0000373c: IN OUT HP Detect
    Vref caps: HIZ 50 GRD 80 100
  Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
    Conn = 1/8, Color = Black
    DefAssociation = 0xf, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x00: VREF_HIZ
  Unsolicited: tag=05, enabled=1
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 3
     0x0c 0x0d* 0x0e

"Speaker Surround Jack" should return true when you plugged the external
subwoofer as you didn't change the name of the jack detect kctl

>
> Chmap results:
>
> Type = FIXED, Channels = 2
>   FL FR
> Type = FIXED, Channels = 4
>   FL FR NA LFE
>
> When unplugging the subwoofer, then chmap gives this and stays like this.
>
> Cannot open PCM stream hw:1 for PLAYBACK
>
> [Pavucontrol] -> [Configuration] -> [Built-in Audio] gives
>
> Analog Stereo Duplex
> Analog Stereo Output
> Analog Surround 2.1 Output + Analog Stereo Input
> Analog Surround 2.1 Output
> Analog Surround 4.0 Output + Analog Stereo Input
> Analog Surround 4.0 Output
> Analog Stereo Input
> Off
>
> Pulseaudio verbose log while plugging in the subwoofer:
http://pastebin.com/Ya5u1qz6

Seem not probe surround21 profile