UPDATED v2: Safer because it obtains the EC ports automatically from 
/proc/ioports, and it micro-pauses between queries, so that the EC returns each 
event only once. This replaces the little program in #3.
________
This is the program I made, that "unstucks" the computer so that it can send 
LID and AC and Battery events again. (it queries the embedded controller queued 
events, thus unblocking the EC so that it can start sending them again).

Ideally run after resume from sleep, or at any other time.


** Attachment added: "samsung_fix_ec_events_v2.c"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1283589/+attachment/3993249/+files/samsung_fix_ec_events_v2.c

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https://bugs.launchpad.net/bugs/1283589

Title:
  [Samsung NP530U3C-A01] LID close, AC, and battery status events not
  produced anymore

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