refer to ad1981b AC97 coded datasheet MASTER VOLUME REGISTER Index 0x02 This register controls the Line_Out volume controls for both stereo channels and the mute bit. Each volume subregister contains five bits, generating 32 volume levels with 31 steps of 1.5 dB each. Because AC ’97 defines 6-bit volume registers, to maintain compatibility
HEADPHONE VOLUME REGISTER Index 0x04 This register controls the headphone volume controls for both stereo channels and the mute bit. Each volume subregister contains five bits, generating 32 volume levels with 31 steps of 1.5 dB each pulseaudio] alsa-mixer.c: Removing path 'analog-output' as it is a subset of 'analog-output-headphones'. this mean that pulseaudio cannot remove analog output path since it is not a subset of headphone path -- 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/1214670 Title: [ICH4 - Intel ICH6, playback] No sound at all Status in “pulseaudio” package in Ubuntu: Confirmed Bug description: Using Ubuntu 13.04 No sound at all. Have attempted to update ALSA drivers, however I get the message: E: Unable to locate package linux-alsa-driver-modules-3.8.0-27-generic E: Couldn't find any package by regex 'linux-alsa-driver-modules-3.8.0-27-generic' ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: alsa-base 1.0.25+dfsg-0ubuntu4 ProcVersionSignature: Ubuntu 3.8.0-27.40-generic 3.8.13.4 Uname: Linux 3.8.0-27-generic i686 ApportVersion: 2.9.2-0ubuntu8.3 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: keith 1328 F.... pulseaudio CurrentDmesg: [ 24.994030] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/serio2/input/input7 Date: Tue Aug 20 21:12:07 2013 InstallationDate: Installed on 2013-08-18 (2 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release i386 (20130424) MarkForUpload: True PackageArchitecture: all ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:ICH6 failed Symptom_Card: Built-in Audio - Intel ICH6 Symptom_DevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: keith 1328 F.... pulseaudio Symptom_Type: No sound at all Title: [ICH4 - Intel ICH6, playback] No sound at all UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/14/2006 dmi.bios.vendor: IBM dmi.bios.version: 76ET63WW (1.23 ) dmi.board.name: 1848W2S dmi.board.vendor: IBM dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: IBM dmi.chassis.version: Not Available dmi.modalias: dmi:bvnIBM:bvr76ET63WW(1.23):bd02/14/2006:svnIBM:pn1848W2S:pvrThinkPadR52:rvnIBM:rn1848W2S:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable: dmi.product.name: 1848W2S dmi.product.version: ThinkPad R52 dmi.sys.vendor: IBM To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1214670/+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
