** Changed in: linux (Ubuntu Artful)
       Status: New => In Progress

** Changed in: linux (Ubuntu Bionic)
       Status: New => In Progress

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  Suspend to idle: Open lid didn't resume

Status in HWE Next:
Status in linux package in Ubuntu:
Status in linux-oem package in Ubuntu:
Status in linux source package in Artful:
  In Progress
Status in linux source package in Bionic:
  In Progress

Bug description:
  Some platforms are set suspend-to-idle (s2idle) as default suspend mode, and 
then they can't resume the system from opening the lid.

  [Test Case]
  1. echo s2idle | sudo tee /sys/power/mem_sleep
  2. Close the lid
  3. Open the lid

  According a patch sent to 4.17-rc1, which was not be included before 4.15 
EOL, so we cherry pick the patch to Ubuntu 4.15 kernel.


  [Regression Potential]
  Per commit, this change also allows Dells XPS13 9360 blacklisted by commit 
71630b7a832f to use the power button for waking up from suspend-to-idle, no 
regression could be happened

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