** Description changed:

  On a HP ENVY X360 15-EW1073CL laptop, when the accelerometer detects
  rotation, the system will correctly rotate the display into portrait
  left, portrait right or landscape inverse.
  
  However, it will not rotate back into portrait mode when placed back on
  the original position. I must do so by going to display settings.
  
  It happens on Gnome. I installed plasma to try out what happens, and
- plasma does not perform any rotation whatsoever (which is preferable)
+ plasma does not perform any rotation whatsoever (which is preferable).
+ Also, if I start a session on Xorg (Gnome classic on xorg), the screen
+ rotates and it goes back to normal as expected.
  
  Sorry for the lack of additional context, I do not know what are the
  mechanisms that handle the accelerometer behavior. I can share at least
  the output of acpi_listen while I rotate the pc.
  
   A6FEA33E-DABF- 000000d0 00000000
  video/tabletmode TBLT 0000008A 00000001
  video/tabletmode TBLT 0000008A 00000001
   A6FEA33E-DABF- 000000d0 00000000
   A6FEA33E-DABF- 000000d0 00000000
  video/tabletmode TBLT 0000008A 00000000
  video/tabletmode TBLT 0000008A 00000000
  
  And here, the output of  monitor-sensor
  
      Waiting for iio-sensor-proxy to appear
  +++ iio-sensor-proxy appeared
  === Has accelerometer (orientation: normal)
  === Has ambient light sensor (value: 16,794001, unit: lux)
  === No proximity sensor
      Light changed: 16,893001 (lux)
      Light changed: 14,200001 (lux)
      Light changed: 13,469001 (lux)
      Light changed: 16,998001 (lux)
      Accelerometer orientation changed: left-up
      Light changed: 12,112001 (lux)
      Light changed: 9,497000 (lux)
      Light changed: 9,602000 (lux)
      Accelerometer orientation changed: normal
      Light changed: 12,534001 (lux)
      Accelerometer orientation changed: right-up
      Light changed: 16,379001 (lux)
      Light changed: 15,550001 (lux)
      Light changed: 14,404001 (lux)
      Light changed: 12,534001 (lux)
      Accelerometer orientation changed: normal
      Light changed: 16,583001 (lux)
      Light changed: 18,446001 (lux)
      Light changed: 12,429001 (lux)
      Light changed: 16,169001 (lux)
      Light changed: 16,274001 (lux)

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https://bugs.launchpad.net/bugs/2062396

Title:
  HP Laptop with tablet mode does not rotate screen back to landscape

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