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Thread: snd_hda_intel, no Microphone. VIA VT1802

  1. #1
    Join Date
    Jan 2007
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    168

    Angry snd_hda_intel, no Microphone. VIA VT1802

    on an Asus S200 (aka X202e), sound output works perfectly, but sound input is nil.

    $ dmesg | grep snd
    [ 20.384757] snd_hda_intel 0000:00:1b.0: irq 44 for MSI/MSI-X


    i'm testing booting several times with and withut acpi_osi=Linux
    Without it, i get mic to work sporadically (if some time pass or i touch anything in the volume controls, mic is gone)

    alsamixer fiddling does not help. volumes and flags seem to be fine. everything get's detect aparently correctly.

    i've spent hours... days... on all guides on how to trouble shoot snd_hda_intel and the docs provided under /usr/share/alsa-base and i'm still clueless.

    $ cat /proc/asound/card0/codec* | grep Codec
    Codec: VIA VT1802
    Codec: Intel PantherPoint HDMI

    anyone already got this to work?

  2. #2
    Join Date
    Jun 2007
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    11,606

    Re: snd_hda_intel, no Microphone. VIA VT1802

    First thing I'd suggest is using the latest driver:
    https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS

  3. #3
    Join Date
    Mar 2007
    Location
    Denver, CO
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    7,605
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: snd_hda_intel, no Microphone. VIA VT1802

    Is the driver just not loading or is it something else?

    what's the result of
    aplay -l

  4. #4
    Join Date
    Dec 2010
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    7

    Re: snd_hda_intel, no Microphone. VIA VT1802

    Quote Originally Posted by gcbzzzz View Post
    on an Asus S200 (aka X202e), sound output works perfectly, but sound input is nil.

    $ dmesg | grep snd
    [ 20.384757] snd_hda_intel 0000:00:1b.0: irq 44 for MSI/MSI-X


    i'm testing booting several times with and withut acpi_osi=Linux
    Without it, i get mic to work sporadically (if some time pass or i touch anything in the volume controls, mic is gone)

    alsamixer fiddling does not help. volumes and flags seem to be fine. everything get's detect aparently correctly.

    i've spent hours... days... on all guides on how to trouble shoot snd_hda_intel and the docs provided under /usr/share/alsa-base and i'm still clueless.

    $ cat /proc/asound/card0/codec* | grep Codec
    Codec: VIA VT1802
    Codec: Intel PantherPoint HDMI

    anyone already got this to work?
    Were you ever able to sort this out? I've got a computer using VIA VT1802 and can't get the microphone working no matter what I try. The closest I've gotten is being able to record a few words with very bad sound but after a while it stops working and even with the same settings I can rarely get it working again even after a reboot. The driver is loading and I'm using the latest driver.
    Last edited by azeam; October 27th, 2013 at 04:33 PM.

  5. #5
    Join Date
    Jun 2007
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    11,606

    Re: snd_hda_intel, no Microphone. VIA VT1802

    azeam, I would file a bug since you've verified that the issue occurs with latest driver.
    Code:
    ubuntu-bug audio

  6. #6
    Join Date
    Jan 2014
    Beans
    4

    Re: snd_hda_intel, no Microphone. VIA VT1802

    hi guys

    I am not sure if you have found a fix but I found a temporary fix so that sound works on your *VT1802 card*

    have a look, post #2 - #4 for indepth details https://bugs.launchpad.net/ubuntu/+s...r/+bug/1318434

    **in short:**

    - add or modify your alsa-base.conf file(the last line) to look like
    this
    - options snd-hda-intel model=auto indep_hp = true
    - reboot
    - sleep the system
    - wake it up again
    - login, sound works (hopefully)

    I hope this works for you guys, been looking for a fix for this for a couple of years...

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