[alsa-devel] lenovo G560 internal microphone fix

[Kayne Richens]

hi

I used hda_analyzer to fix my internal microphone on my lenovo G560 laptop.
I had to make the following change before the microphone would work:

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

My alsa version is 1.0.23 (ubuntu 10.10). I've attached the output of
alsa-info.sh.

This fix has also helped other G560 owners:
https://bugs.launchpad.net/ubuntu/+source/linux-backports-modules-2.6.32/+bug/590756

If I need to provide anything else, let me know.

Cheers
Kayne
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