[Aspire 5830TG, Conexant CX20588, Speaker, Internal] No sound at all

[Томица Кораћ]

Sound stopped being played after kernel update (I presume).

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
Uname: Linux 3.9.0-030900rc8-generic x86_64
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: tomica 2283 F.... pulseaudio
 /dev/snd/pcmC0D0p: tomica 2283 F...m pulseaudio
Date: Sat Apr 27 15:32:47 2013
InstallationDate: Installed on 2013-03-24 (33 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_DevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: tomica 2283 F.... pulseaudio
 /dev/snd/pcmC0D0c: tomica 2283 F...m pulseaudio
 /dev/snd/pcmC0D0p: tomica 2283 F...m pulseaudio
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [Aspire 5830TG, Conexant CX20588, Speaker, Internal] No sound at all
UpgradeStatus: Upgraded to raring on 2013-04-25 (1 days ago)
dmi.bios.date: 10/25/2011
dmi.bios.vendor: Acer
dmi.bios.version: V1.07
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: JM50_HR
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.07
dmi.modalias: dmi:bvnAcer:bvrV1.07:bd10/25/2011:svnAcer:pnAspire5830TG:pvrV1.07:rvnAcer:rnJM50_HR:rvrBaseBoardVersion:cvnAcer:ct10:cvrV1.07:
dmi.product.name: Aspire 5830TG
dmi.product.version: V1.07
dmi.sys.vendor: Acer

[Томица Кораћ (tomicakorac)]

I can confirm that with kernel 3.8 sound does work.

[DIDI2002 (didi2002)]

I reported this bug to alsa-devel. You can workaround by enabling EAPD for Node 0x1d in hda_analyzer

[DIDI2002 (didi2002)]

https://github.com/tiwai/sound/commit/ff359b14919c379a365233aa2e1dd469efac8ce8