[MacBookPro11,1, Cirrus Logic CS4208, Pink Mic, N/A] No sound at all

[Octavia Togami]

Tried multiple configurations, double-checked muted microphone, updated to latest ALSA drivers, restarted multiple times, all to no avail. Ubuntu still cannot understand what jack my microphone is actually on.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/pcmC1D0p: kenzie 18032 F...m pulseaudio
 /dev/snd/controlC1: kenzie 18032 F.... pulseaudio
 /dev/snd/controlC0: kenzie 18032 F.... pulseaudio
CurrentDesktop: XFCE
Date: Fri Aug 5 20:13:12 2016
InstallationDate: Installed on 2015-11-14 (266 days ago)
InstallationMedia: Xubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_DevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/pcmC1D0p: kenzie 18032 F...m pulseaudio
 /dev/snd/controlC1: kenzie 18032 F.... pulseaudio
 /dev/snd/controlC0: kenzie 18032 F.... pulseaudio
Symptom_Jack: Pink Mic, N/A
Symptom_Type: No sound at all
Title: [MacBookPro11,1, Cirrus Logic CS4208, Pink Mic, N/A] No sound at all
UpgradeStatus: Upgraded to xenial on 2016-05-19 (78 days ago)
dmi.bios.date: 02/22/2016
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP111.88Z.0138.B17.1602221718
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-189A3D4F975D5FFC
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookPro11,1
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-189A3D4F975D5FFC
dmi.modalias: dmi:bvnAppleInc.:bvrMBP111.88Z.0138.B17.1602221718:bd02/22/2016:svnAppleInc.:pnMacBookPro11,1:pvr1.0:rvnAppleInc.:rnMac-189A3D4F975D5FFC:rvrMacBookPro11,1:cvnAppleInc.:ct10:cvrMac-189A3D4F975D5FFC:
dmi.product.name: MacBookPro11,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.