Public bug reported:

hardware: hp nx6325
driver: snd-hda-intel
chipset: AD198x Analog

if gstreamer-properties uses alsa default(alsasrc) there is no input at all.
if I specify the device(alsasrc device="hw:0,0"), I can hear the the input, but 
gstreamer-properties says:

"Failed to construct test pipeline for 'ALSA - Advanced Linux Sound
Architecture'"

if I try the same in gnome-audio-properties I get:
"Failed to construct test pipeline for 'gconfaudiosrc ! audioconvert ! 
audioresample ! gconfaudiosink profile=chat'"

launching that pipeline using gst-launch results in:
 LC_ALL=C gst-launch gconfaudiosrc ! audioconvert ! audioresample ! 
gconfaudiosink profile=chat
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstAudioSrcClock

and I can hear the input.

skype works after forcing the device. however all gstreamer based apps
fail.

** Affects: alsa-driver (Ubuntu)
     Importance: Undecided
         Status: New

-- 
AD198x Analog: microphone misconfigured
https://bugs.launchpad.net/bugs/147298
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