cat /proc/asound/card0/intel8x0 show the values of global control and global status registers of ac97 controller
SERIAL CONFIGURATION REGISTER Index 0x74 D4 INTS Interrupt Mode Select This bit selects the JS interrupt implementation path. 0 = Bit 0 Slot 12 (modem interrupt). 1 = Slot 6 valid bit (MIC ADC interrupt). 2.2.9 GLOB_STA—Global Status Register (Audio—D30:F2) I/O Address: Default Value: Lockable: Bit 31:30Reserved. NABMBAR + 30h GPI Status Change Interrupt (GSCI) — R/WC. 0 =Software clears this bit by writing a 1 to it. 1 =This bit reflects the state of bit 0 in slot 12, and is set when bit 0 of slot 12 is set. This indicates that one of the GPI’s changed state, and that the new values are available in slot 12. This bit is not affected by AC ‘97 Audio Function D3HOT to D0 Reset. have you patch ac97 codec ? you need ac97 codec create three jack detect kctls for [Jack Headphone] , [Jack Line Out] and [Jack Speaker Phantom] the avaliablity of the port is determined by those jack detect kctls post the output of alsa-info.sh -- 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/893210 Title: [Dell OptiPlex GX620 - AD1981b, playback] No sound at all Status in ALSA driver: Confirmed Status in alsa-driver package in Ubuntu: Incomplete Bug description: fresh install of ubuntu studio and updates but internal speakers do not play. dell optiplex gx620 love ya ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: alsa-base 1.0.24+dfsg-0ubuntu2 ProcVersionSignature: Ubuntu 3.0.0-13.22-generic 3.0.6 Uname: Linux 3.0.0-13-generic i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 1.23-0ubuntu4 Architecture: i386 Card0.Amixer.info: Card hw:0 'ICH7'/'Intel ICH7 with AD1981B at irq 23' Mixer name : 'Analog Devices AD1981B' Components : 'AC97a:41445374' Controls : 28 Simple ctrls : 20 Card1.Amixer.info: Card hw:1 'Device'/'C-Media Electronics Inc. USB Multimedia Audio Device at usb-0000:00:1d.7-4.1.4,' Mixer name : 'USB Mixer' Components : 'USB0d8c:0105' Controls : 13 Simple ctrls : 6 Date: Mon Nov 21 11:51:25 2011 InstallationMedia: Ubuntu-Studio 11.10 "Oneiric Ocelot" - Release i386 (20111011.1) PackageArchitecture: all ProcEnviron: PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:ICH7 failed Symptom_Card: CM108 Audio Controller - USB Multimedia Audio Device Symptom_Type: No sound at all Title: [ICH4 - Intel ICH7, playback] No sound at all UpgradeStatus: Upgraded to oneiric on 2011-11-12 (8 days ago) dmi.bios.date: 11/30/2006 dmi.bios.vendor: Dell Inc. dmi.bios.version: A11 dmi.board.name: 0F8101 dmi.board.vendor: Dell Inc. dmi.chassis.type: 15 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA11:bd11/30/2006:svnDellInc.:pnOptiPlexGX620:pvr:rvnDellInc.:rn0F8101:rvr:cvnDellInc.:ct15:cvr: dmi.product.name: OptiPlex GX620 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/alsa-driver/+bug/893210/+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
