http://bugzilla.kernel.org/show_bug.cgi?id=15258


Zhang Rui <rui.zh...@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO
                 CC|                            |mjg59-ker...@srcf.ucam.org,
                   |                            |rui.zh...@intel.com




--- Comment #1 from Zhang Rui <rui.zh...@intel.com>  2010-02-21 09:11:30 ---
this is the url to this thread.
http://marc.info/?l=linux-acpi&m=126555579324067&w=2

_L08 {
...
  If (\_SB.MEM.GP71)
  {
    Store (0x00, \_SB.MEM.GP71)
    Notify (\_SB.LID, 0x80)
    Notify (\_SB.PCI0.FNC0.TBLT, 0x01)
  }
...
}

this is the only place that we can get the Lid notification. This means that
this piece of code is invoked when in the normal mode but not invoked in the
tablet mode...

this seems to be a firmware problem to me.
ideally, it should be:

  If (Lid events)
  {
    If (In normal mode)
    {
      Notify (\_SB.LID, 0x80)
    }
    Else /* in tablet mode*/
    {
      Notify (\_SB.LID, 0x80)
      Notify (\_SB.PCI0.FNC0.TBLT, 0x01)
    }
  }

right?

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