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    SubjectRe: Microphone not working on PCI ID 8086:3b56
    From
    On Sat, Oct 2, 2010 at 1:10 AM, Jeff Chua <jeff.chua.linux@gmail.com> wrote:
    > On Fri, Oct 1, 2010 at 6:18 PM, Takashi Iwai <tiwai@suse.de> wrote:
    >
    >>>
    >>> Getting closer, but mic still not working.
    >>
    >> Jeff, give always alsa-info.sh output when you want someone else
    >> looking into your HD-audio problem.  Without it, it's very hard to
    >> follow what is wrong.
    >> So, the mic is detected.  I guess you didn't set up the capture mixer
    >> and else properly.
    >
    > Attached is the alsa-info output. I used alsamixer to set the Analog
    > mic boost to 40db, and I can also see that alsa is detecting the
    > external mic when I plug the mic in.
    >
    > - ALSA sound/pci/hda/patch_conexant.c:2354: CXT5066: external microphone absent
    > + ALSA sound/pci/hda/patch_conexant.c:2348: CXT5066: external
    > microphone detected
    > Still no sound.

    I just want to update you all now that I finally got the mic to work
    on my X201s. It's the settings in the BIOS. Unlike earlier Thinkpad
    models, the X201s BIOS has a special setting to enable/disable the
    mic. Bios setup: F1 -> Security -> I/O Ports -> Microphone -> Enable.
    Since I trashed Windows on the X201s as soon as I power up the first
    time that could have disabled the mic by default.

    Now, it's all working.

    Thanks for all you help!

    Jeff.
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