Comment 44 for bug 590756

this fix still works for me every time, but it doesn't save and I have to do it after every reboot. using the diff button on hda_analyzer, this is all that is changing:

Diff for codec 0/1 (0x14f15069):
---
+++
@@ -51,26 +51,26 @@
     ControlAmp: chs=1, dir=1, idx=0, ofs=0
   Control: name="Beep Playback Switch", index=0, device=0
     ControlAmp: chs=1, dir=1, idx=0, ofs=0
   Amp-Out caps: ofs=0x07, nsteps=0x07, stepsize=0x0f, mute=0
   Amp-Out vals: 0x00
 Node 0x14 [Audio Input] wcaps 0x100d1b: Stereo Amp-In R/L
   Device: name="CONEXANT Analog", type="Audio", device=0
   Amp-In caps: ofs=0x4a, nsteps=0x50, stepsize=0x03, mute=1
- Amp-In vals: [0x50 0x50] [0x80 0x80] [0x50 0x50] [0x80 0x80]
+ Amp-In vals: [0x50 0x50] [0x50 0x50] [0x50 0x50] [0x50 0x50]
   Converter: stream=0, channel=0
   SDI-Select: 0
   PCM:
     rates [0x160]: 44100 48000 96000
     bits [0xe]: 16 20 24
     formats [0x1]: PCM
   Power: setting=D0, actual=D0
   Connection: 4
- 0x17 0x18 0x23* 0x24
+ 0x17 0x18* 0x23 0x24
 Node 0x15 [Audio Input] wcaps 0x100d1b: Stereo Amp-In R/L
   Amp-In caps: ofs=0x4a, nsteps=0x50, stepsize=0x03, mute=1
   Amp-In vals: [0x4a 0x4a] [0x4a 0x4a] [0x4a 0x4a] [0x4a 0x4a]
   Converter: stream=0, channel=0
   SDI-Select: 0
   PCM:
     rates [0x160]: 44100 48000 96000
     bits [0xe]: 16 20 2

@Luc - id suggest tweaking all the AUD_IN settings and see what happens. have the sound preferences window in ubuntu open on the audio tab, and talk as you tweak - if it starts working you will see "input level" register your talking