do you mean node 0x14 is the subwoofer ?
you have to find the other two node if the notebook have 5.1 internal
speakers
assign Def association 1 and sequence to indicate the channel
Node 0x14 [Pin Complex] wcaps 0x40058f: Stereo Amp-In Amp-Out
Control: name="Speaker Playback Switch", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Control: name="Speaker Phantom Jack", index=0, device=0
Amp-In caps: N/A
Amp-In vals: [0x00 0x00]
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x0001003c: IN OUT HP EAPD Detect
EAPD 0x2: EAPD
Pin Default 0x90170110: [Fixed] Speaker at Int N/A
Conn = Analog, Color = Unknown
DefAssociation = 0x1, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x40: OUT
Unsolicited: tag=00, enabled=0
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 3
0x0c 0x0d 0x0e*
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https://bugs.launchpad.net/bugs/1299322
Title:
[Alienware 18, Realtek ALC3661] Sound only comes out of subwoofer, and
requires lid to be closed then opened to come out of speakers at all
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