http://www.intel.com/support/motherboards/desktop/sb/CS-034206.htm
for desktop, those rear panel line out jacks output support multi channel playback and the front panel headphone can support multi streaming on some hda codec -- 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/1313904 Title: [W230SS, VIA VT1802, Green Headphone Out, Front] No sound after suspend/resume Status in ALSA driver: Unknown Status in “alsa-driver” package in Ubuntu: Confirmed Bug description: No sound in headphones jack after suspend/resume. But sound in headphones jack is OK after cold boot. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: alsa-base 1.0.25+dfsg-0ubuntu4 Uname: Linux 3.15.0-031500rc2-generic x86_64 ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: mik 2139 F.... pulseaudio /dev/snd/controlC1: mik 2139 F.... pulseaudio CurrentDesktop: Unity Date: Mon Apr 28 23:20:59 2014 InstallationDate: Installed on 2014-04-26 (2 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed Symptom_Card: Вбудоване аудіо - HDA Intel PCH Symptom_DevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: mik 2139 F.... pulseaudio /dev/snd/controlC1: mik 2139 F.... pulseaudio Symptom_Jack: Green Headphone Out, Front Symptom_Type: No sound at all Title: [W230SS, VIA VT1802, Green Headphone Out, Front] No sound at all UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/11/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 4.6.5 dmi.board.asset.tag: Tag 12345 dmi.board.name: W230SS dmi.board.vendor: Notebook dmi.board.version: Not Applicable dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: Notebook dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd02/11/2014:svnNotebook:pnW230SS:pvrNotApplicable:rvnNotebook:rnW230SS:rvrNotApplicable:cvnNotebook:ct9:cvrN/A: dmi.product.name: W230SS dmi.product.version: Not Applicable dmi.sys.vendor: Notebook mtime.conffile..etc.modprobe.d.alsa.base.conf: 2014-04-28T23:13:10.065027 To manage notifications about this bug go to: https://bugs.launchpad.net/alsa-driver/+bug/1313904/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
