seem you are using old version of alsa driver new version won't create three input sources when there is mic and internal mic (auto mic selection)
Simple mixer control 'Input Source',0 Capabilities: cenum Items: 'Mic' 'Internal Mic' Item0: 'Internal Mic' Simple mixer control 'Input Source',1 Capabilities: cenum Items: 'Mic' 'Internal Mic' Item0: 'Internal Mic' Simple mixer control 'Input Source',2 Capabilities: cenum Items: 'Mic' 'Internal Mic' Item0: 'Internal Mic' you have to provide output of alsa-info.sh before and after pm ? (working and non working) ** Changed in: alsa-driver (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1437512 Title: [Inspiron 1525, SigmaTel STAC9228, Speaker, Internal] unmute problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1437512/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs