In theory, to support 5.1 left headphone can be retasked as Front middle line out can be retasked as Surround mic jack can be retasked as Center/LFE
when only support stereo left headphone and middle line out support two headphone plug in any of the two headphone mute the internal speaker unsolicited event need to enabled on line out jack -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1195377 Title: [Inspiron 1420, SigmaTel STAC9228, Speaker, Internal] fails after a while or plug in and out headphones Status in “alsa-driver” package in Ubuntu: New Bug description: Regression from kernel 3.8.x to 3.9.x alsa drivers. After upgrade to Ubuntu+1 the internal speakers stop working randomly or when plug in and unplug headphones. Distributor ID: Ubuntu Description: Ubuntu Saucy Salamander (development branch) Release: 13.10 Codename: saucy Linux zontar 3.8.0-26-generic #38-Ubuntu SMP Mon Jun 17 21:46:08 UTC 2013 i686 i686 i686 GNU/Linux sudo python hda-analyzer.py # card-0/codec-0:data[2]=1 when headphone not been plugged, sound from spk # card-0/codec-0:data[2]=0 when headphone plugged, sound from hp # card-0/codec-0:data[2]=1 when headphone unplugged, sound from spk # card-0/codec-0:data[2]=0 when headphone plugged, sound from hp Linux zontar 3.10.0-0-generic #7-Ubuntu SMP Tue Jun 25 08:55:20 UTC 2013 i686 i686 i686 GNU/Linux sudo python hda-analyzer.py # card-0/codec-0:data[2]=1 when headphone not been plugged, sound from spk # card-0/codec-0:data[2]=0 when headphone plugged, sound from hp # card-0/codec-0:data[2]=0 when headphone unplugged, silence from spk # card-0/codec-0:data[2]=0 when headphone plugged, sound from hp # card-0/codec-0:data[2]=0 when headphone unplugged, silence from spk Changing this data[2] setting in hda-analyzer does not appear to have any effect on kernel 3.10.0-0 running system. Must reboot to restore sound functioning on speakers. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: alsa-base 1.0.25+dfsg-0ubuntu4 ProcVersionSignature: Ubuntu 3.10.0-0.7-generic 3.10.0-rc7 Uname: Linux 3.10.0-0-generic i686 ApportVersion: 2.10.2-0ubuntu3 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: es 2293 F.... pulseaudio /dev/snd/pcmC0D0p: es 2293 F...m pulseaudio Date: Thu Jun 27 09:18:54 2013 InstallationDate: Installed on 2012-10-07 (262 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta i386 (20120926) MarkForUpload: True PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_Card: Built-in Audio - HDA Intel Symptom_Jack: Speaker, Internal Symptom_Type: Sound works for a while, then breaks Title: [Inspiron 1420, SigmaTel STAC9228, Speaker, Internal] fails after a while UpgradeStatus: Upgraded to saucy on 2013-06-12 (15 days ago) dmi.bios.date: 12/19/2008 dmi.bios.vendor: Dell Inc. dmi.bios.version: A10 dmi.board.name: 0DT492 dmi.board.vendor: Dell Inc. dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA10:bd12/19/2008:svnDellInc.:pnInspiron1420:pvr:rvnDellInc.:rn0DT492:rvr:cvnDellInc.:ct8:cvr: dmi.product.name: Inspiron 1420 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1195377/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

