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 Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/893210 Title: [Dell OptiPlex GX620 - AD1981b, playback] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/alsa-driver/+bug/893210/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
