[ltp] linux suspend configuration on 600x ??

[unlisted]

> However simply closing the cover causes a continous loud tone. ??

on my 770x i have found this to be caused by feedback with the built-in
microphone.  does the tone get louder (change pitch some) as you slowly
close the lid?  try turning down the volume on the built-in speakers. 
also try turning the microphone (or at least recording) off in a mixer
(alsa, gnome, etc).

i was playing around one-time seeing if i could get the microphone to
work.  well, it appeared i couldn't get it to work (at least couldn't
get it to record and play back as described in some how-to), until i
gave up for the night and closed the lid.  WOWSER!  the feedback is
terrifying (especially for the first time late at night in complete
silence).  i never got recording with the microphone working (but didn't
try all that hard, honestly), but i learned that if i messed with the
microphone, then don't be surprised by the feedback.

anyways...
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