into device label IGPU code_regex (OperationRegion\s\(IGD2,\sPCI_Config[^\}]*\}) remove_matched;
into device label IGPU code_regex (OperationRegion\s\(IGDP,\sPCI_Config[^\}]*\}) replace_matched
begin
%1\n
OperationRegion (IGD2, PCI_Config, 0x10, 4)\n
Field (IGD2, AnyAcc, NoLock, Preserve)\n
{\n
BAR1,32,\n
}\n
end;
into device label PNLF remove_entry;
into definitionblock code_regex . insert
begin
Scope (\_SB)\n
{\n
Device (PNLF)\n
{\n
// normal PNLF declares (note some of this probably not necessary)\n
Name (_HID, EisaId ("APP0002"))\n
Name (_CID, "backlight")\n
Name (_UID, 10)\n
Name (_STA, 0x0B)\n
//define hardware register access for brightness\n
// you can see BAR1 value in RW-Everything under Bus00,02 Intel VGA controler PCI\n
OperationRegion (BRIT, SystemMemory, \_SB.PCI0.IGPU.BAR1, 0xc8254)\n
Field (BRIT, AnyAcc, Lock, Preserve)\n
{\n
Offset(0x4824c),\n
LEV2, 32,\n
LEVL, 32,\n
Offset(0x7003C),\n
P0BL, 32,\n
Offset(0xc824c),\n
LEVW, 32,\n
LEVX, 32,\n
}\n
// DEB1 special for setting KLVX at runtime...\n
//Method (DEB1, 1, NotSerialized)\n
//{\n
// Store(Arg0, KLVX)\n
//}\n
// _INI deals with differences between native setting and desired\n
Name (BRTL, 15)\n
Method (_INI, 0, NotSerialized)\n
{\n
/*\n
Store(ShiftRight(KLVX,16), Local0)\n
Store(ShiftRight(LEVX,16), Local1)\n
if (LNotEqual(Local0, Local1))\n
{\n
Divide(Multiply(LEVL, Local0), Local1,, Local0)\n
//Store(P0BL, Local1)\n
//While(LEqual (P0BL, Local1)) {}\n
Store(Local0, LEVL)\n
Store(KLVX, LEVX)\n
}\n
*/\n
// Note: Not sure if ECLV is read/write (may be write only)\n
// comment this line out if reading is unreliable\n
Store(\_SB.PCI0.LPCB.EC0.ECLV, BRTL)\n
}\n
// _BCM/_BQC: set/get for brightness level\n
Method (_BCM, 1, NotSerialized)\n
{\n
/*\n
// initialize for consistent backlight level before/after sleep\n
If (LNotEqual(LEVW, 0x80000000)) { Store (0x80000000, LEVW) }\n
If (LNotEqual(LEVX, KLVX)) { Store (KLVX, LEVX) }\n
*/\n
// Update backlight via EC\n
Store(Match(_BCL, MGE, Arg0, MTR, 0, 2), Local0)\n
If (LEqual(Local0, Ones)) { Subtract(SizeOf(_BCL), 1, Local0) }\n
Store(Local0, \_SB.PCI0.LPCB.EC0.ECLV)\n
UCMS(0x14)\n
Store(Local0, BRTL)\n
}\n
Method (_BQC, 0, NotSerialized)\n
{\n
/*\n
Store(Match(_BCL, MGE, \_SB.PCI0.LPCB.EC0.ECLV, MTR, 0, 2), Local0)\n
If (LEqual(Local0, Ones)) { Subtract(SizeOf(_BCL), 1, Local0) }\n
Return(DerefOf(Index(_BCL, Local0)))\n
*/\n
Return(BRTL)\n
}\n
Method (_DOS, 1, NotSerialized)\n
{\n
^^PCI0.IGPU._DOS(Arg0)\n
}\n
}\n
}\n
end;
into device label PNLF code_regex Name\s\(_BCL,\sPackage[^\}]*\}\) remove_matched;
into device label PNLF code_regex Name\s\(XOPT,.*\)\n removeall_matched;
into device label PNLF code_regex Name\s\(XRGL,.*\)\n removeall_matched;
into device label PNLF code_regex Name\s\(XRGH,.*\)\n removeall_matched;
into device label PNLF code_regex Name\s\(KLVX,.*\)\n removeall_matched;
into device label PNLF code_regex . insert
begin
// Use XOPT=1 to disable smooth transitions\n
Name (XOPT, Zero)\n
// XRGL/XRGH: defines the valid range\n
Name (XRGL, 1)\n
Name (XRGH, 15)\n
// KLVX is initialization value for LEVX\n
Name (KLVX, 0x7100000)\n
// _BCL: returns list of valid brightness levels\n
// first two entries describe ac/battery power levels\n
Name (_BCL, Package()\n
{\n
15,\n
4,\n
0,\n
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,15\n
})\n
end;
