try latest alsa driver https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS
http://www.idt.com/image/92hd91b-block-diagram the capture volume control is at the audio selector(mix) Codec: IDT 92HD91BXX Address: 0 AFG Function Id: 0x1 (unsol 1) Vendor Id: 0x111d76e0 Subsystem Id: 0x103c1836 Revision Id: 0x100102 No Modem Function Group found Default PCM: rates [0x5e0]: 44100 48000 88200 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Default Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0 Default Amp-Out caps: ofs=0x7f, nsteps=0x7f, stepsize=0x02, mute=1 Node 0x0c [Pin Complex] wcaps 0x400583: 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 0x00011734: IN OUT EAPD Detect Vref caps: HIZ 50 GRD 80 EAPD 0x2: EAPD Pin Default 0x04a11020: [Jack] Mic at Ext Right Conn = 1/8, Color = Black DefAssociation = 0x2, Sequence = 0x0 Pin-ctls: 0x24: IN VREF_80 Unsolicited: tag=02, enabled=1 Power states: Power: setting=D0, actual=D0 Connection: 3 0x13* 0x14 0x1c Node 0x11 [Pin Complex] wcaps 0x400483: Stereo Amp-In Control: name="Internal Mic Capture Volume", index=0, device=0 ControlAmp: chs=3, dir=In, idx=0, ofs=0 Amp-In caps: N/A Amp-In vals: [0x03 0x03] Pincap 0x00000024: IN Detect Pin Default 0xd5a30130: [Both] Mic at Int Top Conn = ATAPI, Color = Unknown DefAssociation = 0x3, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x20: IN Unsolicited: tag=00, enabled=0 Power states: Power: setting=D0, actual=D0 Node 0x15 [Audio Input] wcaps 0x1d0541: Stereo Device: name="STAC92xx Analog", type="Audio", device=0 Converter: stream=4, channel=0 SDI-Select: 0 Power states: Power: setting=D0, actual=D0 Delay: 13 samples Connection: 1 0x17 Processing caps: benign=0, ncoeff=0 Node 0x16 [Audio Input] wcaps 0x1d0541: Stereo Converter: stream=0, channel=0 SDI-Select: 0 Power states: Power: setting=D0, actual=D0 Delay: 13 samples Connection: 1 0x18 Processing caps: benign=0, ncoeff=0 Node 0x17 [Audio Selector] wcaps 0x300d0d: Stereo Amp-Out R/L Control: name="Capture Volume", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Control: name="Capture Switch", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Amp-Out caps: ofs=0x10, nsteps=0x2e, stepsize=0x03, mute=1 Amp-Out vals: [0x2d 0x2d] Power states: Power: setting=D0, actual=D0 Connection: 7 0x1b 0x0a 0x0c 0x0e 0x0f 0x11* 0x12 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1177687 Title: microphone does not work HP ENVY DV4T-5300 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1177687/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs