I have a Vostro 1400 and ran through all the steps listed in this
thread, and have had no luck getting the digital mic to work:
First,I placed "options snd-hda-intel model=dell-3stack" into
/etc/modprobe.d/alsa-base
Then I followed the steps that Pawel proposed:
1) added gutsy-proposed to my sources.list -- done
2) ran apt-get update -- done
3) installed linux-backports-modules -- done
4) restarted the laptop to reload the kernel and modules -- done
5) ran alsamixer and set the following settings:
Section: [All]
Digital Input Source: Digital -- PROBLEM!
In alsamixer, there is a "Digital" slider, but I am unable to select
"Digital" (or anything for that matter) for the "Digital Input Source."
After that try failed, I followed what Sympy did, building ALSA 1.0.16 from
source. It built and installed no problem, and upon reboot the sound worked
fine. However, the mic was in the same situation as before ( a "digital" slider
but no option to set "digital" or "digital mic" as the Digital Input Source.
Sympy, I'd be very curious to hear how you got the mic to work, or if
anyone else has any ideas I would be more than happy to try them.
--
[PATCH] Add STAC9228 DMIC support, SRU TEST CASE
https://bugs.launchpad.net/bugs/153963
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