#Maintained by: RehabMan for: Laptop Patches
#battery_WBIN-AirBook.txt

# submitted by Anonymous 2018-06-11
# modifications for completeness by RehabMan 2018-06-11

# works for:
#  WBIN AirBook (gen6 and gen7)
#  Compaq Presario 21n121ar (per ndeni))

# Note: Apply to appropriate SSDT (where battery methods live)

into method label B1B2 remove_entry;
into definitionblock code_regex . insert
begin
Method (B1B2, 2, NotSerialized) { Return(Or(Arg0, ShiftLeft(Arg1, 8))) }\n
end;

into scope label \_SB.PCI0.LPCB.H_EC code_regex BA1T,\s+16, replace_matched begin B1T0,8, B1T1,8, end;
into scope label \_SB.PCI0.LPCB.H_EC code_regex BA2T,\s+16, replace_matched begin B2T0,8, B2T1,8, end;
into scope label \_SB.PCI0.LPCB.H_EC code_regex BA3T,\s+16, replace_matched begin B3T0,8, B3T1,8, end;
into scope label \_SB.PCI0.LPCB.H_EC code_regex BA4T,\s+16, replace_matched begin B4T0,8, B4T1,8, end;
into scope label \_SB.PCI0.LPCB.H_EC code_regex BA5T,\s+16, replace_matched begin B5T0,8, B5T1,8, end;
into scope label \_SB.PCI0.LPCB.H_EC code_regex BA6T,\s+16, replace_matched begin B6T0,8, B6T1,8, end;

into method label _BIF code_regex ECR2\s+\(RefOf\s+\(BA1T\)\), replaceall_matched begin B1B2(B1T0,B1T1), end;
into method label _BIF code_regex ECR2\s+\(RefOf\s+\(BA2T\)\), replaceall_matched begin B1B2(B2T0,B2T1), end;
into method label _BIF code_regex ECR2\s+\(RefOf\s+\(BA3T\)\), replaceall_matched begin B1B2(B3T0,B3T1), end;
into method label _BIF code_regex ECR2\s+\(RefOf\s+\(BA4T\)\), replaceall_matched begin B1B2(B4T0,B4T1), end;
into method label _BIF code_regex ECR2\s+\(RefOf\s+\(BA5T\)\), replaceall_matched begin B1B2(B5T0,B5T1), end;
into method label _BIF code_regex ECR2\s+\(RefOf\s+\(BA6T\)\), replaceall_matched begin B1B2(B6T0,B6T1), end;

into method label _BST code_regex ECR2\s+\(RefOf\s+\(BA1T\)\), replaceall_matched begin B1B2(B1T0,B1T1), end;
into method label _BST code_regex ECR2\s+\(RefOf\s+\(BA2T\)\), replaceall_matched begin B1B2(B2T0,B2T1), end;
into method label _BST code_regex ECR2\s+\(RefOf\s+\(BA3T\)\), replaceall_matched begin B1B2(B3T0,B3T1), end;
into method label _BST code_regex ECR2\s+\(RefOf\s+\(BA5T\)\), replaceall_matched begin B1B2(B5T0,B5T1), end;

# utility methods to read/write buffers from/to EC by RehabMan
into method label RE1B parent_label \_SB.PCI0.LPCB.H_EC remove_entry;
into method label RECB parent_label \_SB.PCI0.LPCB.H_EC remove_entry;
into scope label \_SB.PCI0.LPCB.H_EC insert
begin
Method (RE1B, 1, NotSerialized)\n
{\n
    OperationRegion(ERAM, EmbeddedControl, Arg0, 1)\n
    Field(ERAM, ByteAcc, NoLock, Preserve) { BYTE, 8 }\n
    Return(BYTE)\n
}\n
Method (RECB, 2, Serialized)\n
{\n
    ShiftRight(Arg1, 3, Arg1)\n
    Name(TEMP, Buffer(Arg1) { })\n
    Add(Arg0, Arg1, Arg1)\n
    Store(0, Local0)\n
    While (LLess(Arg0, Arg1))\n
    {\n
        Store(RE1B(Arg0), Index(TEMP, Local0))\n
        Increment(Arg0)\n
        Increment(Local0)\n
    }\n
    Return(TEMP)\n
}\n
end;

# patch 256 bit SMBD register (fixes by RehabMan)
into scope label \_SB.PCI0.LPCB.H_EC code_regex (SMBD,)\s+(256) replace_matched begin SMBX,%2,//%1%2 end;
into method label SMBR code_regex \(SMBD, replaceall_matched begin (RECB(0x44,256), end;

#EOF