In theory, audio 0x17 can be used by the mic for center/lfe for 5.1 support
Node 0x0e [Pin Complex] wcaps 0x400183: Stereo Amp-In Control: name="Mic Jack Mode", index=0, device=0 ControlAmp: chs=0, dir=In, idx=0, ofs=0 Control: name="Mic Capture Volume", index=0, device=0 ControlAmp: chs=3, dir=In, idx=0, ofs=0 Control: name="Mic Jack", index=0, device=0 Amp-In caps: N/A Amp-In vals: [0x00 0x00] Pincap 0x00001737: IN OUT Detect Trigger ImpSense Vref caps: HIZ 50 GRD 80 Pin Default 0x03a11020: [Jack] Mic at Ext Left Conn = 1/8, Color = Black DefAssociation = 0x2, Sequence = 0x0 Pin-ctls: 0x24: IN VREF_80 Unsolicited: tag=03, enabled=1 Connection: 4 0x15* 0x16 0x17 0x1e Node 0x0d [Pin Complex] wcaps 0x400183: Stereo Amp-In Control: name="Speaker Phantom Jack", index=0, device=0 Amp-In caps: N/A Amp-In vals: [0x00 0x00] Pincap 0x0000003f: IN OUT HP Detect Trigger ImpSense Pin Default 0x90170110: [Fixed] Speaker at Int N/A Conn = Analog, Color = Unknown DefAssociation = 0x1, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x00: Unsolicited: tag=00, enabled=0 Connection: 4 0x15 0x16 0x17* 0x1e -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1238144 Title: Dell 1535 no sound from speakers, headphone out is ok To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1238144/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs