the amp-in at audio input is capture volume (Atten) control but the amp- in at pin complex is boost (gain)
control.10 { iface MIXER name 'Capture Volume' value.0 63 value.1 63 comment { access 'read write' type INTEGER count 2 range '0 - 63' dbmin -5100 dbmax 1200 dbvalue.0 1200 dbvalue.1 1200 } } control.11 { iface MIXER name 'Mic Capture Volume' value.0 3 value.1 3 comment { access 'read write' type INTEGER count 2 range '0 - 3' dbmin 0 dbmax 3000 dbvalue.0 3000 dbvalue.1 3000 } } -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/950494 Title: [Macbook Air 3,2] headset mic not recognized To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/950494/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs