AFAIK the pin for the subwoofer output is 0x17:
see this section of my alsa-info.txt attachment:
Node 0x17 [Pin Complex] wcaps 0x40050c: Mono Amp-Out
Control: name="Bass Speaker Playback Switch", index=0, device=0
ControlAmp: chs=1, dir=Out, idx=0, ofs=0
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00]
Pincap 0x00000010: OUT
Pin Default 0x40000000: [N/A] Line Out at Ext N/A
Conn = Unknown, Color = Unknown
DefAssociation = 0x0, Sequence = 0x0
Pin-ctls: 0x40: OUT
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 1
0x0f
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https://bugs.launchpad.net/bugs/1553685
Title:
Lenovo Y700-17ISK subwoofer doesn't work
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
Lenovo Y700-17ISK (Intel Core i7-6700HQ/RAM 16GB/SSD 512GB/Nvidia GTX960M 4GB)
Operating system: Ubuntu 16.04 (xenial-desktop-amd64.iso 04-Mar-2016, kernel
4.4.0-10-generic, nvidia 361.28)
Problem: Notebook subwoofer doesn't work.
Judging from alsa-info.sh output, there is no pin declared for the bass
output by BIOS.
Please find a zip file attached: 'alsa-info_hdajackretask-unconnected-pins'
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-10-generic 4.4.0-10.25
ProcVersionSignature: Ubuntu 4.4.0-10.25-generic 4.4.3
Uname: Linux 4.4.0-10-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: aljosa 1776 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Mar 6 11:02:21 2016
HibernationDevice: RESUME=UUID=ac022671-63df-40ae-bffe-66fff3b35125
InstallationDate: Installed on 2016-03-05 (0 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160304)
MachineType: LENOVO 80Q0
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-10-generic.efi.signed
root=UUID=aa4325c4-4b4c-4372-b8ca-a66c3e5b2aa6 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-10-generic N/A
linux-backports-modules-4.4.0-10-generic N/A
linux-firmware 1.156
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/31/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: CDCN30WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: Allsparks 7A
dmi.board.vendor: LENOVO
dmi.board.version: NO DPK
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo ideapad Y700-17ISK
dmi.modalias:
dmi:bvnLENOVO:bvrCDCN30WW:bd01/31/2016:svnLENOVO:pn80Q0:pvrLenovoideapadY700-17ISK:rvnLENOVO:rnAllsparks7A:rvrNODPK:cvnLENOVO:ct10:cvrLenovoideapadY700-17ISK:
dmi.product.name: 80Q0
dmi.product.version: Lenovo ideapad Y700-17ISK
dmi.sys.vendor: LENOVO
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