yes, thank you.

.....38-11 kernel upgrade with, among other issues addresses also
* ALSA: hda - Use LPIB for ATI/AMD chipsets as default
    - LP: #741825
  * ALSA: hda - Enable snoop bit for AMD controllers
    - LP: #741825
  * ALSA: hda - Enable sync_write workaround for AMD generically
    - LP: #741825
installed. it did no good as far as int/ext mic sensing is concerned. only the 
left speaker tested good, there was no response when right speaker tested. the 
only change from prev .....38-10 is that alsamixer shows under F4 capture a mic 
bar but the mic (internal) had no sensing. an external mic was then connected - 
same results.

so back to ppa (#20)

sudo add-apt-repository ppa:ubuntu-audio-dev/ppa && sudo apt-get update
&& sudo apt-get install linux-alsa-driver-modules-$(uname -r)

after reboot the external mic was immediately seen/sensed and skype test
center replayed the input.

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https://bugs.launchpad.net/bugs/741825

Title:
  ATI controllers [1002:4383] and [1002:4383] (rev 40): Intermittent
  record and jack sense failure

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