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[Raymond <1355247@xxxxxxxxxxxxxxxxxx>]

any reason to use dell-BIOS sine this disable Jack detection of Mic jack
0x0e 0x02a79130



Sysfs Files
!!-----------

/sys/class/sound/hwC0D2/init_pin_configs:
0x0a 0x0221101f
0x0b 0x40f000f1
0x0c 0x40f000f7
0x0d 0x90170110
0x0e 0x02a11020
0x0f 0x02011030
0x10 0x40f000f2
0x11 0x40f000f3
0x12 0x40f000f4
0x13 0x90a6012e
0x14 0x40f000f5
0x21 0x985610a0
0x22 0x40f000f6

/sys/class/sound/hwC0D2/driver_pin_configs:
0x0f 0x0221101f
0x0e 0x02a79130


try latest alsa driver which don't create three capture devices 


ARECORD

**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC9228 Analog [STAC9228 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 2: STAC9228 Alt Analog [STAC9228 Alt Analog]
  Subdevices: 2/2
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1



Simple mixer control 'Input Source',0
  Capabilities: cenum
  Items: 'Internal Mic' 'Mic'
  Item0: 'Internal Mic'
Simple mixer control 'Input Source',1
  Capabilities: cenum
  Items: 'Internal Mic' 'Mic'
  Item0: 'Internal Mic'
Simple mixer control 'Input Source',2
  Capabilities: cenum
  Items: 'Internal Mic' 'Mic'
  Item0: 'Internal Mic'



** Changed in: alsa-driver (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1355247

Title:
  STAC9228 / Dell XPS M1530 / Mic needs a boost, very low signal

Status in “alsa-driver” package in Ubuntu:
  Incomplete

Bug description:
  Hi,

  I cannot force Ubuntu to work with the integrated sound-card in my
  laptop it's Dell XPS M1530 and sound card is STAC9228.

  Actually it captures sound from mic but its volume is very low, it's
  too quiet and needs boost. I already tried few combinations with:

  gnome-alsamixer
  alsamixer
  pavucontrol
  and of course I tried following ALSA MODELS:

  STAC9227/9228/9229/927x
  =======================
    ref		Reference board
    ref-no-jd	Reference board without HP/Mic jack detection
    3stack	D965 3stack
    5stack	D965 5stack + SPDIF
    5stack-no-fp	D965 5stack without front panel
    dell-3stack	Dell Dimension E520
    dell-bios	Fixes with Dell BIOS setup
    volknob	Fixes with volume-knob widget 0x24
    auto		BIOS setup (default)

  
  Unfortunately it's still very quiet.

  I also read on forums (2008ish) that people already had issues with
  this configuration but they were able to handle it switching input
  device to "digital mic", but I don't have such an option in modern
  Ubuntu..

  Here is my alsa-info result: http://www.alsa-
  project.org/db/?f=7af515217ca211337c5c364231b7480eb5575bcb

  Please advice things I could check. Thank you.

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