[alsa-devel] Internal Microphone in Lenovo P580 not working with alsa 1.0.25

[Raymond Yau]

2012-10-5 下午2:20 於 "mefis" <mefistof at gmx.com> 寫道：
>
> Hi,
>
> Mic not working in Lenovo P580 with alsa 1.0.25
>
> Alsa Information script output:
>
> http://www.alsa-project.org/db/?f=001523ed61bc76fb5b2ad0d3c354c043f89e5a33
>
> Hope it helps.
>
>
>
> !!################################
> !!ALSA Information Script v 0.4.61
> !!################################
>
> !!Script ran on: Fri Oct  5 05:56:38 UTC 2012
>
>
> !!Linux Distribution
> !!------------------
>
> Ubuntu 12.04.1 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu
12.04.1 LTS"
>
>
> !!DMI Information
> !!---------------
>
> Manufacturer:      LENOVO
> Product Name:      Lenovo IdeaPad P580
> Product Version:   Lenovo IdeaPad P580
> Firmware Version:  5ECN33WW(V2.03)
>
>
> !!Kernel Information
> !!------------------
>
> Kernel release:    3.2.0-31-generic
> Operating System:  GNU/Linux
> Architecture:      x86_64
> Processor:         x86_64
> SMP Enabled:       Yes
>
>
> !!ALSA Version
> !!------------
>
> Driver version:     1.0.25
> Library version:    1.0.16
> Utilities version:  1.0.25

is this an upgrade since alsa-lib is quite old ?

it is strange that unsolicied event enabled at fixed mic
instead of mic jack ?

Node 0x1a [Pin Complex] wcaps 0x400481: Stereo
  Pincap 0x00001324: IN Detect
    Vref caps: HIZ 50 80
  Pin Default 0x04a11030: [Jack] Mic at Ext Right
    Conn = 1/8, Color = Black
    DefAssociation = 0x3, Sequence = 0x0
  Pin-ctls: 0x24: IN VREF_80
  Unsolicited: tag=01, enabled=0
  Power states:  D0 D1 D2 D3 D3cold EPSS
  Power: setting=D0, actual=D0
Node 0x1b [Pin Complex] wcaps 0x400581: Stereo
  Pincap 0x00011334: IN OUT EAPD Detect
    Vref caps: HIZ 50 80
  EAPD 0x2: EAPD
  Pin Default 0x95a70120: [Fixed] Mic at Int Top
    Conn = Analog, Color = Unknown
    DefAssociation = 0x2, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x00: VREF_HIZ
  Unsolicited: tag=38, enabled=1
  Power states:  D0 D1 D2 D3 D3cold EPSS
  Power: setting=D0, actual=D0
  Connection: 2
     0x10* 0x11