try hda-jack-sense-test to find out the headphone and mic jack by plug and unplug the headphone and mic
!!Sysfs Files !!----------- /sys/class/sound/hwC0D0/init_pin_configs: 0x14 0x01214030 0x15 0x400000f0 0x16 0x400000f0 0x17 0x400000f0 0x18 0x90100120 0x19 0x400000f0 0x1a 0x400000f0 0x1b 0x400000f0 0x1c 0x400000f0 0x1d 0x400000f0 0x1e 0x400000f0 0x1f 0x400000f0 /sys/class/sound/hwC0D0/driver_pin_configs: -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1181828 Title: macbook air 2,1 no sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1181828/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
