can you post the output of alsa-info.sh ? does headphone jack detect in your shuttle chassis work or not ?
active profile: <output:analog-stereo+input:analog-stereo> sinks: alsa_output.pci-0000_00_1b.0.analog-stereo/#4: Audio interne Stéréo analogique sources: alsa_input.pci-0000_00_1b.0.analog-stereo/#1: Audio interne Stéréo analogique alsa_output.pci-0000_00_1b.0.analog-stereo.monitor/#6: Monitor of Audio interne Stéréo analogique ports: analog-output-speaker: Haut-parleurs (priority 10000, available: unknown) properties: analog-output-headphones: Casques analogiques (priority 9000, available: unknown) properties: btw, it is strange that you have this control when you sg41 have blue line jack Simple mixer control 'Front Mic Jack Mode',0 Capabilities: enum Items: 'Mic In' 'Line In' Item0: 'Mic In' -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1074427 Title: [SG41, IDT 92HD89C2, Green Headphone Out, Front] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1074427/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs