allenlan,

You seem to have a very buggy dsdt.dsl, I suggest you update your bios. I am still looking at how to quirk the kernel to fix your button.  

Intel ACPI Component Architecture
ASL Optimizing Compiler version 20090521 [Jun 30 2009]
Copyright (C) 2000 - 2009 Intel Corporation
Supports ACPI Specification Revision 3.0a

dsdt.dsl    39:         Zero
Error    4095 -            ^ syntax error, unexpected PARSEOP_ZERO

dsdt.dsl   443:     Method (_WAK, 1, NotSerialized)
Warning  1080 -                ^ Reserved method must return a value (_WAK)

dsdt.dsl   687:                 Method (CPSR, 1, NotSerialized)
Warning  1087 -                            ^ Not all control paths return a value (CPSR)

dsdt.dsl   692:                         Name (_T_0, 0x00)
Remark   5110 -    Use of compiler reserved name ^  (_T_0)

dsdt.dsl   714:                     Return (UWED (EVID, ACID, DA01))
Error    4060 - Called method returns no value ^ 

dsdt.dsl  1748:                 Method (AFN0, 0, Serialized)
Warning  1087 -                            ^ Not all control paths return a value (AFN0)

dsdt.dsl  1752:                         Return (\_SB.PCI0.AGP.VGA.AFN0 ())
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  1757:                         Return (\_SB.PCI0.PB2.VGA.AFN0 ())
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  1762:                         Return (\_SB.PCI0.PB3.VGA.AFN0 ())
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  1774:                 Method (AFN3, 2, Serialized)
Warning  1087 -                            ^ Not all control paths return a value (AFN3)

dsdt.dsl  1778:                         Return (\_SB.PCI0.AGP.VGA.AFN3 (Arg0, Arg1))
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  1783:                         Return (\_SB.PCI0.PB2.VGA.AFN3 (Arg0, Arg1))
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  1788:                         Return (\_SB.PCI0.PB3.VGA.AFN3 (Arg0, Arg1))
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  1792:                 Method (AFN4, 1, Serialized)
Warning  1087 -                            ^ Not all control paths return a value (AFN4)

dsdt.dsl  1796:                         Return (\_SB.PCI0.AGP.VGA.AFN4 (Arg0))
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  1801:                         Return (\_SB.PCI0.PB2.VGA.AFN4 (Arg0))
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  1806:                         Return (\_SB.PCI0.PB3.VGA.AFN4 (Arg0))
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  1810:                 Method (AFN5, 0, Serialized)
Warning  1087 -                            ^ Not all control paths return a value (AFN5)

dsdt.dsl  1814:                         Return (\_SB.PCI0.AGP.VGA.AFN5 ())
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  1819:                         Return (\_SB.PCI0.PB2.VGA.AFN5 ())
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  1824:                         Return (\_SB.PCI0.PB3.VGA.AFN5 ())
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  1828:                 Method (AFN6, 0, Serialized)
Warning  1087 -                            ^ Not all control paths return a value (AFN6)

dsdt.dsl  1832:                         Return (\_SB.PCI0.AGP.VGA.AFN6 ())
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  1837:                         Return (\_SB.PCI0.PB2.VGA.AFN6 ())
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  1842:                         Return (\_SB.PCI0.PB3.VGA.AFN6 ())
Error    4060 -                       Called method returns no value ^ 

dsdt.dsl  3184:                             XPDT (0x00)
Remark   5073 -          Recursive method call ^  (XPDT)

dsdt.dsl  4203:                             XPDT (0x00)
Remark   5073 -          Recursive method call ^  (XPDT)

dsdt.dsl  4808:                             XPDT (0x00)
Remark   5073 -          Recursive method call ^  (XPDT)

dsdt.dsl  5499:                             XPDT (0x00)
Remark   5073 -          Recursive method call ^  (XPDT)

dsdt.dsl  5995:                             XPDT (0x00)
Remark   5073 -          Recursive method call ^  (XPDT)

dsdt.dsl  6491:                             XPDT (0x00)
Remark   5073 -          Recursive method call ^  (XPDT)

dsdt.dsl 11288:                         Return (PX02 (DerefOf (Index (Arg1, 0x02))))
Error    4060 -     Called method returns no value ^ 

dsdt.dsl 11293:                         Return (PX03 (DerefOf (Index (Arg1, 0x02))))
Error    4060 -     Called method returns no value ^ 

dsdt.dsl 11298:                         Return (PX04 (DerefOf (Index (Arg1, 0x02))))
Error    4060 -     Called method returns no value ^ 

ASL Input:  dsdt.dsl - 12817 lines, 457102 bytes, 5898 keywords
Compilation complete. 20 Errors, 7 Warnings, 7 Remarks, 1947 Optimizations