mainboard/acpi: Replace constant "Zero" with actual number

Change-Id: I4f2f02623b060ef0ebefc5aceb713c77a8b1e9a6
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71523
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>

src/mainboard/51nb/x210/acpi/ec.asl

@@ -11,7 +11,7 @@ Device (EC)
 		IO (Decode16, 0x66, 0x66, 1, 1)
 	})
 
-	OperationRegion (ERAM, EmbeddedControl, Zero, 0xFF)
+	OperationRegion (ERAM, EmbeddedControl, 0, 0xFF)
 	Field (ERAM, ByteAcc, Lock, Preserve)
 	{
 		Offset (0x50),

src/mainboard/amd/gardenia/acpi/sleep.asl

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 /* Wake status package */
-Name(WKST,Package(){Zero, Zero})
+Name(WKST,Package(){0, 0})
 
 /*
 * \_PTS - Prepare to Sleep method

src/mainboard/amd/pademelon/acpi/sleep.asl

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 /* Wake status package */
-Name(WKST,Package(){Zero, Zero})
+Name(WKST,Package(){0, 0})
 
 /*
 * \_PTS - Prepare to Sleep method

src/mainboard/emulation/qemu-i440fx/dsdt.asl

@@ -38,7 +38,7 @@ DefinitionBlock (
 	Scope(\_SB.PCI0) {
 		Device(VGA) {
 			Name(_ADR, 0x00020000)
-			OperationRegion(PCIC, PCI_Config, Zero, 0x4)
+			OperationRegion(PCIC, PCI_Config, 0, 0x4)
 			Field(PCIC, DWordAcc, NoLock, Preserve) {
 				VEND, 32
 			}

src/mainboard/google/auron/acpi/thermal.asl

@@ -133,7 +133,7 @@ Scope (\_TZ)
 				If (\FLVL <= 0) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -160,7 +160,7 @@ Scope (\_TZ)
 				If (\FLVL <= 1) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {

src/mainboard/google/auron/variants/auron_paine/include/variant/acpi/usb.asl

@@ -7,14 +7,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT1)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT2)
@@ -23,9 +23,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT2)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -41,14 +41,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT3)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
@@ -58,14 +58,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT5)
@@ -74,9 +74,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT5)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -92,14 +92,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT7)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP1)
@@ -109,7 +109,7 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP1)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }

src/mainboard/google/auron/variants/auron_yuna/include/variant/acpi/usb.asl

@@ -6,9 +6,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT2)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -24,14 +24,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT3)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
@@ -41,14 +41,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT5)
@@ -57,9 +57,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT5)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -75,14 +75,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT7)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP1)
@@ -92,7 +92,7 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP1)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }

src/mainboard/google/auron/variants/gandof/include/variant/acpi/usb.asl

@@ -6,9 +6,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT2)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -24,14 +24,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT3)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
@@ -41,14 +41,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT5)
@@ -57,9 +57,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT5)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -75,14 +75,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT7)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP1)
@@ -92,7 +92,7 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP1)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }

src/mainboard/google/auron/variants/lulu/include/variant/acpi/usb.asl

@@ -6,9 +6,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT1)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -23,9 +23,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT2)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -41,14 +41,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT3)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
@@ -58,14 +58,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT7)
@@ -75,14 +75,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT7)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP4)
@@ -92,7 +92,7 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP4)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }

src/mainboard/google/auron/variants/samus/include/variant/acpi/usb.asl

@@ -6,9 +6,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT1)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -23,9 +23,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT2)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -40,9 +40,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT3)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -58,14 +58,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT5)
@@ -74,9 +74,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT5)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -92,14 +92,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT7)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT8)
@@ -109,14 +109,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT8)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP3)
@@ -126,8 +126,8 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP3)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP4)
@@ -137,8 +137,8 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP4)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP5)
@@ -148,8 +148,8 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP5)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP6)
@@ -159,7 +159,7 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP6)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }

src/mainboard/google/beltino/acpi/thermal.asl

@@ -160,7 +160,7 @@ Scope (\_TZ)
 				If (\FLVL <= 0) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -185,7 +185,7 @@ Scope (\_TZ)
 				If (\FLVL <= 1) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -210,7 +210,7 @@ Scope (\_TZ)
 				If (\FLVL <= 2) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -235,7 +235,7 @@ Scope (\_TZ)
 				If (\FLVL <= 3) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -260,7 +260,7 @@ Scope (\_TZ)
 				If (\FLVL <= 4) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {

src/mainboard/google/beltino/acpi/usb.asl

@@ -6,9 +6,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT2)
 	Name (_UPC, Package (0x04)  // _UPC: USB Port Capabilities
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -23,9 +23,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT3)
 	Name (_UPC, Package (0x04)  // _UPC: USB Port Capabilities
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -41,14 +41,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT5)
@@ -57,9 +57,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT5)
 	Name (_UPC, Package (0x04)  // _UPC: USB Port Capabilities
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -74,9 +74,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT6)
 	Name (_UPC, Package (0x04)  // _UPC: USB Port Capabilities
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -92,8 +92,8 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP1)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP2)
@@ -103,8 +103,8 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP2)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP3)
@@ -114,8 +114,8 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP3)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP4)
@@ -125,7 +125,7 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP4)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }

src/mainboard/google/cyan/acpi/touchscreen_synaptics.asl

@@ -17,7 +17,7 @@ Scope (\_SB.PCI0.I2C1)
 			If (Arg0 == ToUUID ("3cdff6f7-4267-4555-ad05-b30a3d8938de"))
 			{
 				// DSM Revision
-				If (Arg2 == Zero)
+				If (Arg2 == 0)
 				{
 					If (Arg1 == 1)
 					{
@@ -48,7 +48,7 @@ Scope (\_SB.PCI0.I2C1)
 				})
 			}
 
-			Return (Zero)
+			Return (0)
 		}
 
 		Method(_CRS, 0x0, NotSerialized)

src/mainboard/google/glados/variants/caroline/include/variant/acpi/mainboard.asl

@@ -30,7 +30,7 @@ Scope (\_SB)
 
 		Device (EJCT)
 		{
-			Name (_ADR, Zero)
+			Name (_ADR, 0)
 
 			Name (_DSD, Package () {
 				ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
@@ -88,7 +88,7 @@ Scope (\_SB.PCI0.I2C2)
 		Method (_DSM, 4, NotSerialized)
 		{
 			If (Arg0 == ToUUID ("3cdff6f7-4267-4555-ad05-b30a3d8938de")) {
-				If (Arg2 == Zero) {
+				If (Arg2 == 0) {
 					/* Function 0 - Query */
 					If (Arg1 == 1) {
 						/* Revision 1 Function 1 */

src/mainboard/google/glados/variants/chell/include/variant/acpi/mainboard.asl

@@ -6,9 +6,9 @@ Scope (\_SB.PCI0.XHCI.RHUB.HS01)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -23,9 +23,9 @@ Scope (\_SB.PCI0.XHCI.RHUB.HS02)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -41,14 +41,14 @@ Scope (\_SB.PCI0.XHCI.RHUB.HS03)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.RHUB.HS04)
@@ -58,14 +58,14 @@ Scope (\_SB.PCI0.XHCI.RHUB.HS04)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.RHUB.HS05)
@@ -74,9 +74,9 @@ Scope (\_SB.PCI0.XHCI.RHUB.HS05)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -92,14 +92,14 @@ Scope (\_SB.PCI0.XHCI.RHUB.HS07)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.RHUB.SS01)
@@ -109,8 +109,8 @@ Scope (\_SB.PCI0.XHCI.RHUB.SS01)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }
 Scope (\_SB.PCI0.XHCI.RHUB.SS02)
@@ -120,8 +120,8 @@ Scope (\_SB.PCI0.XHCI.RHUB.SS02)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }
 Scope (\_SB.PCI0.XHCI.RHUB.SS03)
@@ -131,8 +131,8 @@ Scope (\_SB.PCI0.XHCI.RHUB.SS03)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }
 Scope (\_SB.PCI0.XHCI.RHUB.SS04)
@@ -142,7 +142,7 @@ Scope (\_SB.PCI0.XHCI.RHUB.SS04)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }

src/mainboard/google/jecht/variants/guado/include/variant/acpi/thermal.asl

@@ -161,7 +161,7 @@ Scope (\_TZ)
 				If (\FLVL <= 0) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -186,7 +186,7 @@ Scope (\_TZ)
 				If (\FLVL <= 1) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -211,7 +211,7 @@ Scope (\_TZ)
 				If (\FLVL <= 2) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -236,7 +236,7 @@ Scope (\_TZ)
 				If (\FLVL <= 3) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -261,7 +261,7 @@ Scope (\_TZ)
 				If (\FLVL <= 4) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {

src/mainboard/google/jecht/variants/jecht/include/variant/acpi/thermal.asl

@@ -161,7 +161,7 @@ Scope (\_TZ)
 				If (\FLVL <= 0) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -186,7 +186,7 @@ Scope (\_TZ)
 				If (\FLVL <= 1) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -211,7 +211,7 @@ Scope (\_TZ)
 				If (\FLVL <= 2) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -236,7 +236,7 @@ Scope (\_TZ)
 				If (\FLVL <= 3) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -261,7 +261,7 @@ Scope (\_TZ)
 				If (\FLVL <= 4) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {

src/mainboard/google/jecht/variants/rikku/include/variant/acpi/thermal.asl

@@ -161,7 +161,7 @@ Scope (\_TZ)
 				If (\FLVL <= 0) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -186,7 +186,7 @@ Scope (\_TZ)
 				If (\FLVL <= 1) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -211,7 +211,7 @@ Scope (\_TZ)
 				If (\FLVL <= 2) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -236,7 +236,7 @@ Scope (\_TZ)
 				If (\FLVL <= 3) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -261,7 +261,7 @@ Scope (\_TZ)
 				If (\FLVL <= 4) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {

src/mainboard/google/jecht/variants/rikku/include/variant/acpi/usb.asl

@@ -6,9 +6,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT2)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -23,9 +23,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT3)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -41,14 +41,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT5)
@@ -57,9 +57,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT5)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -74,9 +74,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT6)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -93,14 +93,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT7)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP3)
@@ -110,8 +110,8 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP3)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP4)
@@ -121,8 +121,8 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP4)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP5)
@@ -132,8 +132,8 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP5)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP6)
@@ -143,7 +143,7 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP6)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }

src/mainboard/google/jecht/variants/tidus/include/variant/acpi/thermal.asl

@@ -269,7 +269,7 @@ Scope (\_TZ)
 				If (\FLVL <= 0) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -294,7 +294,7 @@ Scope (\_TZ)
 				If (\FLVL <= 1) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -319,7 +319,7 @@ Scope (\_TZ)
 				If (\FLVL <= 2) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -344,7 +344,7 @@ Scope (\_TZ)
 				If (\FLVL <= 3) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -369,7 +369,7 @@ Scope (\_TZ)
 				If (\FLVL <= 4) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {

src/mainboard/google/kahlee/variants/baseboard/include/baseboard/acpi/sleep.asl

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 /* Wake status package */
-Name (WKST, Package() { Zero, Zero })
+Name (WKST, Package() { 0, 0 })
 
 /*
 * \_PTS - Prepare to Sleep method

src/mainboard/google/link/acpi/thermal.asl

@@ -158,7 +158,7 @@ Scope (\_TZ)
 				If (\FLVL <= 0) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -179,7 +179,7 @@ Scope (\_TZ)
 				If (\FLVL <= 1) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {

src/mainboard/google/parrot/acpi/usb.asl

@@ -7,14 +7,14 @@ Scope (\_SB.PCI0.EHC1.HUB7.PRT1)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 
 	Device (USB2)
@@ -25,9 +25,9 @@ Scope (\_SB.PCI0.EHC1.HUB7.PRT1)
 		Name (_UPC, Package (0x04)  // _UPC: USB Port Capabilities
 		{
 			0xFF,	// Connectable
-			Zero,	// USB Port
-			Zero,	// Reserved
-			Zero	// Reserved
+			0,	// USB Port
+			0,	// Reserved
+			0	// Reserved
 		})
 
 		// Visible
@@ -46,9 +46,9 @@ Scope (\_SB.PCI0.EHC1.HUB7.PRT1)
 		Name (_UPC, Package (0x04)  // _UPC: USB Port Capabilities
 		{
 			0xFF,	// Connectable
-			Zero,	// USB Port
-			Zero,	// Reserved
-			Zero	// Reserved
+			0,	// USB Port
+			0,	// Reserved
+			0	// Reserved
 		})
 
 		// Visible
@@ -66,9 +66,9 @@ Scope (\_SB.PCI0.EHC1.HUB7.PRT1)
 		Name (_UPC, Package (0x04)  // _UPC: USB Port Capabilities
 		{
 			0xFF,	// Connectable
-			Zero,	// USB Port
-			Zero,	// Reserved
-			Zero	// Reserved
+			0,	// USB Port
+			0,	// Reserved
+			0	// Reserved
 		})
 
 		// Visible
@@ -87,14 +87,14 @@ Scope (_SB.PCI0.EHC2.HUB7.PRT1)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 
 	Device (USB1)
@@ -106,14 +106,14 @@ Scope (_SB.PCI0.EHC2.HUB7.PRT1)
 		{
 			0xFF,	// Connectable
 			0xFF,	// OEM Connector
-			Zero,	// Reserved
-			Zero	// Reserved
+			0,	// Reserved
+			0	// Reserved
 		})
 
 		// Not Visible
 		Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 		{
-			Return (GPLD (Zero))
+			Return (GPLD (0))
 		}
 	}
 
@@ -126,14 +126,14 @@ Scope (_SB.PCI0.EHC2.HUB7.PRT1)
 		{
 			0xFF,	// Connectable
 			0xFF,	// OEM Connector
-			Zero,	// Reserved
-			Zero	// Reserved
+			0,	// Reserved
+			0	// Reserved
 		})
 
 		// Not Visible
 		Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 		{
-			Return (GPLD (Zero))
+			Return (GPLD (0))
 		}
 	}
 }

src/mainboard/google/poppy/variants/atlas/include/variant/acpi/cam0.asl

@@ -47,7 +47,7 @@ Scope (\_SB.PCI0.I2C3)
 	Device (CAM0)
 	{
 		Name (_HID, "INT3478") /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "SONY IMX208 Camera")  /* _DDN: DOS Device Name */
 
 		Method (_STA, 0, NotSerialized)  /* _STA: Status */
@@ -109,7 +109,7 @@ Scope (\_SB.PCI0.I2C3)
 	Device (NVM0)
 	{
 		Name (_HID, "INT3499") /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "GT24C16S")  /* _DDN: DOS Device Name */
 
 		Method (_STA, 0, NotSerialized)  /* _STA: Status */

src/mainboard/google/poppy/variants/baseboard/include/baseboard/acpi/cam0.asl

@@ -5,7 +5,7 @@ Scope (\_SB.PCI0.I2C2)
 	Device (CAM0)
 	{
 		Name (_HID, "OVTID858")  /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "OV 13858 Camera") /* _DDN: DOS Device Name */
 		Name (CAMD, 0x02)
 
@@ -92,7 +92,7 @@ Scope (\_SB.PCI0.I2C2)
 	Device (VCM0)
 	{
 		Name (_HID, "PRP0001")  /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "Dongwoon AF DAC") /* _DDN: DOS Device Name */
 		Name (CAMD, 0x03)
 
@@ -124,7 +124,7 @@ Scope (\_SB.PCI0.I2C2)
 	Device (NVM0)
 	{
 		Name (_HID, "INT3499") /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "GT24C16S/CAT24C16")  /* _DDN: DOS Device Name */
 
 		Method (_STA, 0, NotSerialized)  /* _STA: Status */

src/mainboard/google/poppy/variants/baseboard/include/baseboard/acpi/cam1.asl

@@ -5,7 +5,7 @@ Scope (\_SB.PCI0.I2C4)
 	Device (CAM1)
 	{
 		Name (_HID, "INT3479") /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "OV 5670 Camera")  /* _DDN: DOS Device Name */
 		Name (CAMD, 0x02)
 

src/mainboard/google/poppy/variants/baseboard/include/baseboard/acpi/camera_pmic.asl

@@ -5,7 +5,7 @@ Scope (\_SB.PCI0.I2C2)
 	Device (PMIC)
 	{
 		Name (_HID, "INT3472") /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "TPS68470 PMIC")  /* _DDN: DOS Device Name */
 		Name (CAMD, 0x64)
 
@@ -56,12 +56,12 @@ Scope (\_SB.PCI0.I2C2)
 		}
 
 		/* Marks the availability of all the operation regions */
-		Name (AVBL, Zero)
-		Name (AVGP, Zero)
-		Name (AVB0, Zero)
-		Name (AVB1, Zero)
-		Name (AVB2, Zero)
-		Name (AVB3, Zero)
+		Name (AVBL, 0)
+		Name (AVGP, 0)
+		Name (AVB0, 0)
+		Name (AVB1, 0)
+		Name (AVB2, 0)
+		Name (AVB3, 0)
 		Method (_REG, 2, NotSerialized)
 		{
 			If (Arg0 == 0x08)
@@ -244,7 +244,7 @@ Scope (\_SB.PCI0.I2C2)
 		 * VACT: Analog LDO output
 		 * VDCT: Core buck output
 		 */
-		OperationRegion (PWR1, 0xB0, Zero, 0x0100)
+		OperationRegion (PWR1, 0xB0, 0, 0x0100)
 		Field (PWR1, DWordAcc, NoLock, Preserve)
 		{
 			VSIO, 32,
@@ -264,7 +264,7 @@ Scope (\_SB.PCI0.I2C2)
 		 * ACVA: Analog LDO VR voltage
 		 * DCVA: Core buck VR voltage
 		 */
-		OperationRegion (PWR2, 0xB1, Zero, 0x0100)
+		OperationRegion (PWR2, 0xB1, 0, 0x0100)
 		Field (PWR2, DWordAcc, NoLock, Preserve)
 		{
 			SIOV, 32,
@@ -282,7 +282,7 @@ Scope (\_SB.PCI0.I2C2)
 		 * CFG1: Clock configuration 1 register
 		 * CFG2: Clock configuration 2 register
 		 */
-		OperationRegion (CLKC, 0xB2, Zero, 0x0100)
+		OperationRegion (CLKC, 0xB2, 0, 0x0100)
 		Field (CLKC, DWordAcc, NoLock, Preserve)
 		{
 			PCTL, 32,
@@ -300,7 +300,7 @@ Scope (\_SB.PCI0.I2C2)
 		 * PLDV: PLL feedback divider
 		 * PODV: PLL output divider for HCLK_A
 		 */
-		OperationRegion (CLKF, 0xB3, Zero, 0x0100)
+		OperationRegion (CLKF, 0xB3, 0, 0x0100)
 		Field (CLKF, DWordAcc, NoLock, Preserve)
 		{
 			PDV2, 32,

src/mainboard/google/poppy/variants/nautilus/include/variant/acpi/cam0.asl

@@ -5,7 +5,7 @@ Scope (\_SB.PCI0.I2C2)
 	Device (CAM0)
 	{
 		Name (_HID, "SONY258A")  /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "SONY IMX258 Camera") /* _DDN: DOS Device Name */
 
 		Method (_STA, 0, NotSerialized)  /* _STA: Status */
@@ -73,7 +73,7 @@ Scope (\_SB.PCI0.I2C2)
 	Device (VCM0)
 	{
 		Name (_HID, "PRP0001")  /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "Dongwoon AF DAC") /* _DDN: DOS Device Name */
 
 		Method (_STA, 0, NotSerialized)  /* _STA: Status */
@@ -104,7 +104,7 @@ Scope (\_SB.PCI0.I2C2)
 	Device (NVM0)
 	{
 		Name (_HID, "INT3499")  /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "Dongwoon NVM")  /* _DDN: DOS Device Name */
 
 		Method (_STA, 0, NotSerialized)  /* _STA: Status */

src/mainboard/google/poppy/variants/nocturne/include/variant/acpi/cam0.asl

@@ -41,7 +41,7 @@ Scope (\_SB.PCI0.I2C3)
 	Device (CAM0)
 	{
 		Name (_HID, "SONY319A") /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "Sony IMX319 Camera")  /* _DDN: DOS Device Name */
 
 		Method (_STA, 0, NotSerialized)  /* _STA: Status */
@@ -104,7 +104,7 @@ Scope (\_SB.PCI0.I2C3)
 	Device (NVM0)
         {
 		Name (_HID, "INT3499") /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "M24C64S")  /* _DDN: DOS Device Name */
 
 		Method (_STA, 0, NotSerialized)  /* _STA: Status */

src/mainboard/google/poppy/variants/nocturne/include/variant/acpi/cam1.asl

@@ -40,7 +40,7 @@ Scope (\_SB.PCI0.I2C5)
 	Device (CAM1)
 	{
 		Name (_HID, "SONY355A")  /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "SONY IMX355A Camera") /* _DDN: DOS Device Name */
 
 		Method (_STA, 0, NotSerialized)  /* _STA: Status */

src/mainboard/google/rambi/variants/candy/include/variant/acpi/usb.asl

@@ -6,9 +6,9 @@ Scope (\_SB.PCI0.XHCI.RHUB.PRT1)
 	Name (_UPC, Package (0x04)  // _UPC: USB Port Capabilities
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -24,14 +24,14 @@ Scope (\_SB.PCI0.XHCI.RHUB.PRT2)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 
 	Device (USB1)
@@ -42,9 +42,9 @@ Scope (\_SB.PCI0.XHCI.RHUB.PRT2)
 		Name (_UPC, Package (0x04)  // _UPC: USB Port Capabilities
 		{
 			0xFF,	// Connectable
-			Zero,	// USB Port
-			Zero,	// Reserved
-			Zero	// Reserved
+			0,	// USB Port
+			0,	// Reserved
+			0	// Reserved
 		})
 
 		// Visible
@@ -63,14 +63,14 @@ Scope (\_SB.PCI0.XHCI.RHUB.PRT2)
 		{
 			0xFF,	// Connectable
 			0xFF,	// OEM Connector
-			Zero,	// Reserved
-			Zero	// Reserved
+			0,	// Reserved
+			0	// Reserved
 		})
 
 		// Not Visible
 		Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 		{
-			Return (GPLD (Zero))
+			Return (GPLD (0))
 		}
 	}
 }
@@ -81,14 +81,14 @@ Scope (\_SB.PCI0.XHCI.RHUB.PRT3)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.RHUB.PRT4)
@@ -98,14 +98,14 @@ Scope (\_SB.PCI0.XHCI.RHUB.PRT4)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.RHUB.SSP1)
@@ -115,7 +115,7 @@ Scope (\_SB.PCI0.XHCI.RHUB.SSP1)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }

src/mainboard/google/rambi/variants/squawks/include/variant/acpi/usb.asl

@@ -6,9 +6,9 @@ Scope (\_SB.PCI0.XHCI.RHUB.PRT1)
 	Name (_UPC, Package (0x04)  // _UPC: USB Port Capabilities
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -23,9 +23,9 @@ Scope (\_SB.PCI0.XHCI.RHUB.PRT2)
 	Name (_UPC, Package (0x04)  // _UPC: USB Port Capabilities
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -41,14 +41,14 @@ Scope (\_SB.PCI0.XHCI.RHUB.PRT3)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.RHUB.PRT4)
@@ -58,14 +58,14 @@ Scope (\_SB.PCI0.XHCI.RHUB.PRT4)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.RHUB.SSP1)
@@ -75,7 +75,7 @@ Scope (\_SB.PCI0.XHCI.RHUB.SSP1)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }

src/mainboard/google/skyrim/variants/winterhold/include/variant/acpi/dtts.asl

@@ -22,7 +22,7 @@ Scope (\_SB)
         {
             \_SB.DDEF()
             \_SB.PRTN = 0
-            Return (Zero)
+            Return (0)
         }
 
         If (\_SB.PCI0.LPCB.EC0.STTB == 0) { // Desktop
@@ -35,25 +35,25 @@ Scope (\_SB)
                     If (\_SB.PCI0.LPCB.EC0.TIN4 >= 123) {
                         \_SB.DTTB()
                         \_SB.PRTN = 1
-                        Return (Zero)
+                        Return (0)
                     }
                     // AMB sensor release point
                     If ((\_SB.PCI0.LPCB.EC0.TIN4 <= 118)) {
                         \_SB.DDEF()
                         \_SB.PRTN = 0
-                        Return (Zero)
+                        Return (0)
                     }
                     // Keep tht previous thermal table
-                    Return (Zero)
+                    Return (0)
                 } Else {
                     If (\_SB.PRTN == 3 || \_SB.PRTN == 5) {
                         \_SB.DTTB()
                         \_SB.PRTN = 1
-                        Return (Zero)
+                        Return (0)
                     } Else {
                         \_SB.DDEF()
                         \_SB.PRTN = 0
-                        Return (Zero)
+                        Return (0)
                     }
                 }
             } Else { // Lid-close
@@ -62,24 +62,24 @@ Scope (\_SB)
                     If (\_SB.PCI0.LPCB.EC0.TIN4 >= 128) {
                         \_SB.DTTD()
                         \_SB.PRTN = 3
-                        Return (Zero)
+                        Return (0)
                     }
                     If(\_SB.PCI0.LPCB.EC0.TIN4 <= 123) {
                         \_SB.DTTC()
                         \_SB.PRTN = 2
-                        Return (Zero)
+                        Return (0)
                     }
                     // Keep tht previous thermal table
-                    Return (Zero)
+                    Return (0)
                 } Else {
                     If (\_SB.PRTN == 1 || \_SB.PRTN == 5) {
                         \_SB.DTTD()
                         \_SB.PRTN = 3
-                        Return (Zero)
+                        Return (0)
                     } Else {
                         \_SB.DTTC()
                         \_SB.PRTN = 2
-                        Return (Zero)
+                        Return (0)
                     }
                 }
             }
@@ -90,25 +90,25 @@ Scope (\_SB)
                 If (\_SB.PCI0.LPCB.EC0.TIN4 >= 118) {
                     \_SB.DTTF()
                     \_SB.PRTN = 5
-                    Return (Zero)
+                    Return (0)
                 }
                 // AMB sensor release point
                 If ((\_SB.PCI0.LPCB.EC0.TIN4 <= 113)) {
                     \_SB.DTTE()
                     \_SB.PRTN = 4
-                    Return (Zero)
+                    Return (0)
                 }
                 // Keep tht previous thermal table
-                Return (Zero)
+                Return (0)
             } Else {
                 If (\_SB.PRTN == 1 || \_SB.PRTN == 3) {
                     \_SB.DTTF()
                     \_SB.PRTN = 5
-                    Return (Zero)
+                    Return (0)
                 } Else {
                     \_SB.DTTE()
                     \_SB.PRTN = 4
-                    Return (Zero)
+                    Return (0)
                 }
             }
         } // Desktop/Laptop End

src/mainboard/google/slippy/dsdt.asl

@@ -36,7 +36,7 @@ DefinitionBlock(
 	{
 		Device (WLAN)
 		{
-			Name (_ADR, Zero)
+			Name (_ADR, 0)
 		}
 	}
 

src/mainboard/google/slippy/variants/peppy/include/variant/acpi/usb.asl

@@ -7,14 +7,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT1)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT2)
@@ -23,9 +23,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT2)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -41,14 +41,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT3)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
@@ -58,14 +58,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT5)
@@ -74,9 +74,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT5)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -92,14 +92,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT7)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP1)
@@ -109,7 +109,7 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP1)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }

src/mainboard/google/slippy/variants/wolf/include/variant/acpi/usb.asl

@@ -6,9 +6,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT1)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -23,9 +23,9 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT2)
 	Name (_UPC, Package (0x04)
 	{
 		0xFF,	// Connectable
-		Zero,	// USB Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// USB Port
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Visible
@@ -41,14 +41,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT3)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
@@ -58,14 +58,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT4)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.PRT7)
@@ -75,14 +75,14 @@ Scope (\_SB.PCI0.XHCI.HUB7.PRT7)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP1)
@@ -92,8 +92,8 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP1)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }
 Scope (\_SB.PCI0.XHCI.HUB7.SSP2)
@@ -103,7 +103,7 @@ Scope (\_SB.PCI0.XHCI.HUB7.SSP2)
 	{
 		0xFF,	// Connectable
 		0x03,	// USB 3.0 Port
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 }

src/mainboard/google/volteer/variants/baseboard/include/baseboard/acpi/mipi_camera.asl

@@ -76,12 +76,12 @@ Scope (\_SB.PCI0.IPU0)
 			Package (0x02)
 			{
 				"endpoint",
-				Zero
+				0
 			},
 			Package (0x02)
 			{
 				"clock-lanes",
-				Zero
+				0
 			},
 			Package (0x02)
 			{
@@ -100,8 +100,8 @@ Scope (\_SB.PCI0.IPU0)
 				Package (0x03)
 				{
 					^I2C3.CAM0,
-					Zero,
-					Zero
+					0,
+					0
 				}
 			}
 		}
@@ -114,12 +114,12 @@ Scope (\_SB.PCI0.IPU0)
 			Package (0x02)
 			{
 				"endpoint",
-				Zero
+				0
 			},
 			Package (0x02)
 			{
 				"clock-lanes",
-				Zero
+				0
 			},
 			Package (0x02)
 			{
@@ -136,8 +136,8 @@ Scope (\_SB.PCI0.IPU0)
 				Package (0x03)
 				{
 					^I2C2.CAM1,
-					Zero,
-					Zero
+					0,
+					0
 				}
 			}
 		}
@@ -208,7 +208,7 @@ Scope (\_SB.PCI0.I2C3)
 	Device (CAM0)
 	{
 		Name (_HID, "OVTI8856")  /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "Ov 8856 Camera")  /* _DDN: DOS Device Name */
 		Method (_STA, 0, NotSerialized)  /* _STA: Status */
 		{
@@ -271,7 +271,7 @@ Scope (\_SB.PCI0.I2C3)
 				Package (0x02)
 				{
 					"port",
-					Zero
+					0
 				}
 			},
 			ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
@@ -292,12 +292,12 @@ Scope (\_SB.PCI0.I2C3)
 				Package (0x02)
 				{
 					"endpoint",
-					Zero
+					0
 				},
 				Package (0x02)
 				{
 					"clock-lanes",
-					Zero
+					0
 				},
 				Package (0x02)
 				{
@@ -325,8 +325,8 @@ Scope (\_SB.PCI0.I2C3)
 					Package (0x03)
 					{
 						IPU0,
-						Zero,
-						Zero
+						0,
+						0
 					}
 				}
 			}
@@ -478,7 +478,7 @@ Scope (\_SB.PCI0.I2C3)
 
 Scope (\_SB.PCI0.I2C2)
 {
-	Name (STA, Zero)
+	Name (STA, 0)
 	PowerResource (FCPR, 0x00, 0x0000)
 	{
 		Method (_ON, 0, Serialized)  /* Front camera_ON_: Power On */
@@ -534,7 +534,7 @@ Scope (\_SB.PCI0.I2C2)
 	Device (CAM1)
 	{
 		Name (_HID, "INT3474")  /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "Ov 2740 Camera")  /* _DDN: DOS Device Name */
 		Method (_STA, 0, NotSerialized)  /* _STA: Status */
 		{
@@ -589,7 +589,7 @@ Scope (\_SB.PCI0.I2C2)
 				Package (0x02)
 				{
 					"port",
-					Zero
+					0
 				}
 			},
 			ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
@@ -610,12 +610,12 @@ Scope (\_SB.PCI0.I2C2)
 				Package (0x02)
 				{
 					"endpoint",
-					Zero
+					0
 				},
 				Package (0x02)
 				{
 					"clock-lanes",
-					Zero
+					0
 				},
 				Package (0x02)
 				{
@@ -641,7 +641,7 @@ Scope (\_SB.PCI0.I2C2)
 					{
 						IPU0,
 						1,
-						Zero
+						0
 					}
 				}
 			}

src/mainboard/google/volteer/variants/voema/include/variant/acpi/mipi_camera.asl

@@ -76,12 +76,12 @@ Scope (\_SB.PCI0.IPU0)
 			Package (0x02)
 			{
 				"endpoint",
-				Zero
+				0
 			},
 			Package (0x02)
 			{
 				"clock-lanes",
-				Zero
+				0
 			},
 			Package (0x02)
 			{
@@ -98,8 +98,8 @@ Scope (\_SB.PCI0.IPU0)
 				Package (0x03)
 				{
 					^I2C2.CAM1,
-					Zero,
-					Zero
+					0,
+					0
 				}
 			}
 		}
@@ -108,7 +108,7 @@ Scope (\_SB.PCI0.IPU0)
 
 Scope (\_SB.PCI0.I2C2)
 {
-	Name (STA, Zero)
+	Name (STA, 0)
 	PowerResource (FCPR, 0x00, 0x0000)
 	{
 		Method (_ON, 0, Serialized)  /* Front camera_ON_: Power On */
@@ -158,7 +158,7 @@ Scope (\_SB.PCI0.I2C2)
 	Device (CAM1)
 	{
 		Name (_HID, "INT3474")  /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "Ov 2740 Camera")  /* _DDN: DOS Device Name */
 		Method (_STA, 0, NotSerialized)  /* _STA: Status */
 		{
@@ -213,7 +213,7 @@ Scope (\_SB.PCI0.I2C2)
 				Package (0x02)
 				{
 					"port",
-					Zero
+					0
 				}
 			},
 			ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
@@ -234,12 +234,12 @@ Scope (\_SB.PCI0.I2C2)
 				Package (0x02)
 				{
 					"endpoint",
-					Zero
+					0
 				},
 				Package (0x02)
 				{
 					"clock-lanes",
-					Zero
+					0
 				},
 				Package (0x02)
 				{
@@ -265,7 +265,7 @@ Scope (\_SB.PCI0.I2C2)
 					{
 						IPU0,
 						1,
-						Zero
+						0
 					}
 				}
 			}

src/mainboard/intel/baskingridge/acpi/thermal.asl

@@ -103,7 +103,7 @@ Scope (\_TZ)
 				If (\FLVL <= 0) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -124,7 +124,7 @@ Scope (\_TZ)
 				If (\FLVL <= 1) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -145,7 +145,7 @@ Scope (\_TZ)
 				If (\FLVL <= 2) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -166,7 +166,7 @@ Scope (\_TZ)
 				If (\FLVL <= 3) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -187,7 +187,7 @@ Scope (\_TZ)
 				If (\FLVL <= 4) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {

src/mainboard/intel/cedarisland_crb/acpi/platform.asl

@@ -11,7 +11,7 @@ Field (APMP, ByteAcc, NoLock, Preserve)
 
 #include <arch/x86/acpi/post.asl>
 
-Name(\APC1, Zero) // IIO IOAPIC
+Name(\APC1, 0) // IIO IOAPIC
 
 /*
  * The _PTS method (Prepare To Sleep) is called before the OS is

src/mainboard/intel/emeraldlake2/acpi/thermal.asl

@@ -122,7 +122,7 @@ Scope (\_TZ)
 				If (\FLVL <= 0) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -143,7 +143,7 @@ Scope (\_TZ)
 				If (\FLVL <= 1) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -164,7 +164,7 @@ Scope (\_TZ)
 				If (\FLVL <= 2) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -185,7 +185,7 @@ Scope (\_TZ)
 				If (\FLVL <= 3) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -206,7 +206,7 @@ Scope (\_TZ)
 				If (\FLVL <= 4) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {

src/mainboard/intel/glkrvp/touchpad.asl

@@ -38,7 +38,7 @@
 			If(Arg0 == ToUUID("3CDFF6F7-4267-4555-AD05-B30A3D8938DE"))
 			{
 				// Function 0 : Query Function
-				If(Arg2 == Zero)
+				If(Arg2 == 0)
 				{
 					// Revision 1
 					If(Arg1 == 1)

src/mainboard/intel/kblrvp/acpi/mipi_camera.asl

@@ -5,7 +5,7 @@ Scope (\_SB.PCI0.I2C2)
 	Device (PMIC)
 	{
 		Name (_HID, "INT3472") /* _HID: Hardware ID */
-		Name (_UID, Zero)  // _UID: Unique ID */
+		Name (_UID, 0)  // _UID: Unique ID */
 		Name (_DDN, "TPS68470 PMIC")  /* _DDN: DOS Device Name */
 		Name (CAMD, 0x64)
 
@@ -15,12 +15,12 @@ Scope (\_SB.PCI0.I2C2)
 		}
 
 		/* Marks the availability of all the operation regions */
-		Name (AVP1, Zero)
-		Name (AVGP, Zero)
-		Name (AVB0, Zero)
-		Name (AVB1, Zero)
-		Name (AVB2, Zero)
-		Name (AVB3, Zero)
+		Name (AVP1, 0)
+		Name (AVGP, 0)
+		Name (AVB0, 0)
+		Name (AVB1, 0)
+		Name (AVB2, 0)
+		Name (AVB3, 0)
 		Method (_REG, 2, NotSerialized)
 		{
 			If (Arg0 == 0x08)
@@ -90,7 +90,7 @@ Scope (\_SB.PCI0.I2C2)
 		 * VACT: Analog LDO output
 		 * VDCT: Core buck output
 		 */
-		OperationRegion (PWR1, 0xB0, Zero, 0x0100)
+		OperationRegion (PWR1, 0xB0, 0, 0x0100)
 		Field (PWR1, DWordAcc, NoLock, Preserve)
 		{
 			VSIO, 32,
@@ -110,7 +110,7 @@ Scope (\_SB.PCI0.I2C2)
 		 * ACVA: Analog LDO VR voltage
 		 * DCVA: Core buck VR voltage
 		 */
-		OperationRegion (PWR2, 0xB1, Zero, 0x0100)
+		OperationRegion (PWR2, 0xB1, 0, 0x0100)
 		Field (PWR2, DWordAcc, NoLock, Preserve)
 		{
 			SIOV, 32,
@@ -128,7 +128,7 @@ Scope (\_SB.PCI0.I2C2)
 		 * CFG1: Clock configuration 1 register
 		 * CFG2: Clock configuration 2 register
 		 */
-		OperationRegion (CLKC, 0xB2, Zero, 0x0100)
+		OperationRegion (CLKC, 0xB2, 0, 0x0100)
 		Field (CLKC, DWordAcc, NoLock, Preserve)
 		{
 			PCTL, 32,
@@ -146,7 +146,7 @@ Scope (\_SB.PCI0.I2C2)
 		 * PLDV: PLL feedback divider
 		 * PODV: PLL output divider for HCLK_A
 		 */
-		OperationRegion (CLKF, 0xB3, Zero, 0x0100)
+		OperationRegion (CLKF, 0xB3, 0, 0x0100)
 		Field (CLKF, DWordAcc, NoLock, Preserve)
 		{
 			PDV2, 32,
@@ -370,7 +370,7 @@ Scope (\_SB.PCI0.I2C2)
 	Device (CAM0)
 	{
 		Name (_HID, "OVTID858")  /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "OV 13858 Camera") /* _DDN: DOS Device Name */
 		Name (CAMD, 0x02)
 
@@ -475,7 +475,7 @@ Scope (\_SB.PCI0.I2C2)
 	Device (VCM0)
 	{
 		Name (_HID, "DWDWD000")  /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "Dongwoon AF DAC") /* _DDN: DOS Device Name */
 		Name (CAMD, 0x03)
 
@@ -503,7 +503,7 @@ Scope (\_SB.PCI0.I2C3)
 	Device (PMIC)
 	{
 		Name (_HID, "INT3473") /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "TPS68470 PMIC 2") /* _DDN: DOS Device Name */
 		Name (CAMD, 0x64)
 
@@ -513,12 +513,12 @@ Scope (\_SB.PCI0.I2C3)
 		}
 
 		/* Marks the availability of all the operation regions */
-		Name (AVP2, Zero)
-		Name (AVGP, Zero)
-		Name (AVB0, Zero)
-		Name (AVB1, Zero)
-		Name (AVB2, Zero)
-		Name (AVB3, Zero)
+		Name (AVP2, 0)
+		Name (AVGP, 0)
+		Name (AVB0, 0)
+		Name (AVB1, 0)
+		Name (AVB2, 0)
+		Name (AVB3, 0)
 		Method (_REG, 2, NotSerialized)
 		{
 			If (Arg0 == 0x08)
@@ -595,7 +595,7 @@ Scope (\_SB.PCI0.I2C3)
 		 * VACT: Analog LDO output
 		 * VDCT: Core buck output
 		 */
-		OperationRegion (PWR1, 0xB0, Zero, 0x0100)
+		OperationRegion (PWR1, 0xB0, 0, 0x0100)
 		Field (PWR1, DWordAcc, NoLock, Preserve)
 		{
 			VSIO, 32,
@@ -615,7 +615,7 @@ Scope (\_SB.PCI0.I2C3)
 		 * ACVA: Analog LDO VR voltage
 		 * DCVA: Core buck VR voltage
 		 */
-		OperationRegion (PWR2, 0xB1, Zero, 0x0100)
+		OperationRegion (PWR2, 0xB1, 0, 0x0100)
 		Field (PWR2, DWordAcc, NoLock, Preserve)
 		{
 			SIOV, 32,
@@ -633,7 +633,7 @@ Scope (\_SB.PCI0.I2C3)
 		 * CFG1: Clock configuration 1 register
 		 * CFG2: Clock configuration 2 register
 		 */
-		OperationRegion (CLKC, 0xB2, Zero, 0x0100)
+		OperationRegion (CLKC, 0xB2, 0, 0x0100)
 		Field (CLKC, DWordAcc, NoLock, Preserve)
 		{
 			PCTL, 32,
@@ -651,7 +651,7 @@ Scope (\_SB.PCI0.I2C3)
 		 * PLDV: PLL feedback divider
 		 * PODV: PLL output divider for HCLK_A
 		 */
-		OperationRegion (CLKF, 0xB3, Zero, 0x0100)
+		OperationRegion (CLKF, 0xB3, 0, 0x0100)
 		Field (CLKF, DWordAcc, NoLock, Preserve)
 		{
 			PDV2, 32,
@@ -806,7 +806,7 @@ Scope (\_SB.PCI0.I2C3)
 	Device (CAM1)
 	{
 		Name (_HID, "INT3479") /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "OV 5670 Camera")  /* _DDN: DOS Device Name */
 		Name (CAMD, 0x02)
 

src/mainboard/intel/tglrvp/acpi/mipi_camera.asl

@@ -76,12 +76,12 @@ Scope (\_SB.PCI0.IPU0)
 			Package (0x02)
 			{
 				"endpoint",
-				Zero
+				0
 			},
 			Package (0x02)
 			{
 				"clock-lanes",
-				Zero
+				0
 			},
 			Package (0x02)
 			{
@@ -100,8 +100,8 @@ Scope (\_SB.PCI0.IPU0)
 				Package (0x03)
 				{
 					^I2C3.CAM0,
-					Zero,
-					Zero
+					0,
+					0
 				}
 			}
 		}
@@ -114,12 +114,12 @@ Scope (\_SB.PCI0.IPU0)
 			Package (0x02)
 			{
 				"endpoint",
-				Zero
+				0
 			},
 			Package (0x02)
 			{
 				"clock-lanes",
-				Zero
+				0
 			},
 			Package (0x02)
 			{
@@ -139,8 +139,8 @@ Scope (\_SB.PCI0.IPU0)
 				Package (0x03)
 				{
 					^I2C5.CAM1,
-					Zero,
-					Zero
+					0,
+					0
 				}
 			}
 		}
@@ -151,7 +151,7 @@ Scope (\_SB.PCI0.I2C3)
 {
 	PowerResource (RCPR, 0x00, 0x0000)
 	{
-		Name (STA, Zero)
+		Name (STA, 0)
 		Method (_ON, 0, Serialized)  /* Rear camera_ON_: Power On */
 		{
 			If (STA == 0)
@@ -199,7 +199,7 @@ Scope (\_SB.PCI0.I2C3)
 	Device (CAM0)
 	{
 		Name (_HID, "OVTI8856")  /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "Ov 8856 Camera")  /* _DDN: DOS Device Name */
 		Method (_STA, 0, NotSerialized)  /* _STA: Status */
 		{
@@ -257,7 +257,7 @@ Scope (\_SB.PCI0.I2C3)
 				Package (0x02)
 				{
 					"port",
-					Zero
+					0
 				}
 			},
 			ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
@@ -278,12 +278,12 @@ Scope (\_SB.PCI0.I2C3)
 				Package (0x02)
 				{
 					"endpoint",
-					Zero
+					0
 				},
 				Package (0x02)
 				{
 					"clock-lanes",
-					Zero
+					0
 				},
 				Package (0x02)
 				{
@@ -311,8 +311,8 @@ Scope (\_SB.PCI0.I2C3)
 					Package (0x03)
 					{
 						IPU0,
-						Zero,
-						Zero
+						0,
+						0
 					}
 				}
 			}
@@ -366,7 +366,7 @@ Scope (\_SB.PCI0.I2C5)
 {
 	PowerResource (FCPR, 0x00, 0x0000)
 	{
-		Name (STA, Zero)
+		Name (STA, 0)
 		Method (_ON, 0, Serialized)  /* Front camera_ON_: Power On */
 		{
 			If (STA == 0)
@@ -422,7 +422,7 @@ Scope (\_SB.PCI0.I2C5)
 	Device (CAM1)
 	{
 		Name (_HID, "OVTI8856")  /* _HID: Hardware ID */
-		Name (_UID, Zero)  /* _UID: Unique ID */
+		Name (_UID, 0)  /* _UID: Unique ID */
 		Name (_DDN, "Ov 8856 Camera")  /* _DDN: DOS Device Name */
 		Method (_STA, 0, NotSerialized)  /* _STA: Status */
 		{
@@ -472,7 +472,7 @@ Scope (\_SB.PCI0.I2C5)
 				Package (0x02)
 				{
 					"port",
-					Zero
+					0
 				}
 			},
 			ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
@@ -493,12 +493,12 @@ Scope (\_SB.PCI0.I2C5)
 				Package (0x02)
 				{
 					"endpoint",
-					Zero
+					0
 				},
 				Package (0x02)
 				{
 					"clock-lanes",
-					Zero
+					0
 				},
 				Package (0x02)
 				{
@@ -527,7 +527,7 @@ Scope (\_SB.PCI0.I2C5)
 					{
 						IPU0,
 						1,
-						Zero
+						0
 					}
 				}
 			}

src/mainboard/intel/wtm2/acpi/thermal.asl

@@ -105,7 +105,7 @@ Scope (\_TZ)
 				If (\FLVL <= 0) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -124,7 +124,7 @@ Scope (\_TZ)
 				If (\FLVL <= 1) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -143,7 +143,7 @@ Scope (\_TZ)
 				If (\FLVL <= 2) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -162,7 +162,7 @@ Scope (\_TZ)
 				If (\FLVL <= 3) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -181,7 +181,7 @@ Scope (\_TZ)
 				If (\FLVL <= 4) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {

src/mainboard/lenovo/s230u/acpi/ec.asl

@@ -246,8 +246,8 @@ Device (EC0)
 	{
 		Name (_HID, EisaId ("LEN0068"))
 
-		Name (DHKC, Zero)
-		Name (DHKV, Zero)
+		Name (DHKC, 0)
+		Name (DHKV, 0)
 		Name (DHKN, 0xFC018070)  // Hotkey mask
 		Mutex (XDHK, 0x07)
 

src/mainboard/lenovo/s230u/acpi/gpe.asl

@@ -2,12 +2,12 @@
 
 Scope (_GPE)
 {
-	Name (PDET, Zero)
+	Name (PDET, 0)
 	Method (PNOT, 2, Serialized) {
 		Local0 = Arg0 << Arg1
 		Local1 = ~(1 << Arg1)
 		PDET = Local0 | (Local1 & PDET)
-		If (PDET == Zero) {
+		If (PDET == 0) {
 			// Palm removed
 			\_SB.PCI0.LPCB.EC0.HKEY.MHKQ (0x60B1)
 		} Else {
@@ -18,7 +18,7 @@ Scope (_GPE)
 
 	Method (TINV, 2, Serialized) {
 		Local0 = 1 << Arg1
-		If (Arg0 == Zero) {
+		If (Arg0 == 0) {
 			Local0 = ~Local0
 			GIV0 &= Local0
 		} Else {

src/mainboard/lenovo/s230u/acpi/platform.asl

@@ -25,12 +25,12 @@ Scope(\_SI)
 		If (Arg0 < 2)
 		{
 			/* Thinkpad LED on */
-			\_SB.PCI0.LPCB.EC0.LED (Zero, 0x80)
+			\_SB.PCI0.LPCB.EC0.LED (0, 0x80)
 		}
 		Else
 		{
 			/* Thinkpad LED blinking */
-			\_SB.PCI0.LPCB.EC0.LED (Zero, 0xC0)
+			\_SB.PCI0.LPCB.EC0.LED (0, 0xC0)
 		}
 	}
 }

src/mainboard/lenovo/t400/acpi/graphics.asl

@@ -79,5 +79,5 @@ Method (ATPX, 2, Serialized) {
 			SHYB(0x00)
 		}
 	}
-	Return(Zero)
+	Return(0)
 }

src/mainboard/pcengines/apu2/acpi/sleep.asl

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 /* Wake status package */
-Name(WKST,Package(){Zero, Zero})
+Name(WKST,Package(){0, 0})
 
 /*
 * \_PTS - Prepare to Sleep method

src/mainboard/purism/librem_bdw/acpi/ec.asl

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #define EC_SCI_GPI 10
-#define PPCM_TURBO Zero
+#define PPCM_TURBO 0
 #define PPCM_NOTURBO 1
 #define CRIT_TEMP 105
 

src/mainboard/razer/blade_stealth_kbl/acpi/mainboard.asl

@@ -14,7 +14,7 @@ Scope (\_SB)
 			}
 			else
 			{
-				Return (Zero)
+				Return (0)
 			}
 		}
 

src/mainboard/roda/rv11/acpi/alsd.asl

@@ -22,7 +22,7 @@ Device (ALSD)
 		Package (0x02)
 		{
 			0x46,
-			Zero
+			0
 		},
 
 		Package (0x02)

src/mainboard/samsung/lumpy/acpi/usb.asl

@@ -7,14 +7,14 @@ Scope (\_SB.PCI0.EHC1.HUB7.PRT1)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 
 	Device (USB1)
@@ -25,9 +25,9 @@ Scope (\_SB.PCI0.EHC1.HUB7.PRT1)
 		Name (_UPC, Package (0x04)  // _UPC: USB Port Capabilities
 		{
 			0xFF,	// Connectable
-			Zero,	// USB Port
-			Zero,	// Reserved
-			Zero	// Reserved
+			0,	// USB Port
+			0,	// Reserved
+			0	// Reserved
 		})
 
 		// Visible
@@ -46,9 +46,9 @@ Scope (\_SB.PCI0.EHC1.HUB7.PRT1)
 		Name (_UPC, Package (0x04)  // _UPC: USB Port Capabilities
 		{
 			0xFF,	// Connectable
-			Zero,	// USB Port
-			Zero,	// Reserved
-			Zero	// Reserved
+			0,	// USB Port
+			0,	// Reserved
+			0	// Reserved
 		})
 
 		// Visible
@@ -67,14 +67,14 @@ Scope (\_SB.PCI0.EHC1.HUB7.PRT1)
 		{
 			0xFF,	// Connectable
 			0xFF,	// OEM Connector
-			Zero,	// Reserved
-			Zero	// Reserved
+			0,	// Reserved
+			0	// Reserved
 		})
 
 		// Not Visible
 		Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 		{
-			Return (GPLD (Zero))
+			Return (GPLD (0))
 		}
 	}
 
@@ -87,14 +87,14 @@ Scope (\_SB.PCI0.EHC2.HUB7.PRT1)
 	{
 		0xFF,	// Connectable
 		0xFF,	// OEM Connector
-		Zero,	// Reserved
-		Zero	// Reserved
+		0,	// Reserved
+		0	// Reserved
 	})
 
 	// Not Visible
 	Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 	{
-		Return (GPLD (Zero))
+		Return (GPLD (0))
 	}
 
 	Device (USB4)
@@ -106,14 +106,14 @@ Scope (\_SB.PCI0.EHC2.HUB7.PRT1)
 		{
 			0xFF,	// Connectable
 			0xFF,	// OEM Connector
-			Zero,	// Reserved
-			Zero	// Reserved
+			0,	// Reserved
+			0	// Reserved
 		})
 
 		// Not Visible
 		Method (_PLD, 0, NotSerialized)  // _PLD: Physical Location of Device
 		{
-			Return (GPLD (Zero))
+			Return (GPLD (0))
 		}
 	}
 }

src/mainboard/samsung/stumpy/acpi/thermal.asl

@@ -121,7 +121,7 @@ Scope (\_TZ)
 				If (\FLVL <= 0) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -142,7 +142,7 @@ Scope (\_TZ)
 				If (\FLVL <= 1) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -163,7 +163,7 @@ Scope (\_TZ)
 				If (\FLVL <= 2) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -184,7 +184,7 @@ Scope (\_TZ)
 				If (\FLVL <= 3) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {
@@ -205,7 +205,7 @@ Scope (\_TZ)
 				If (\FLVL <= 4) {
 					Return (1)
 				} Else {
-					Return (Zero)
+					Return (0)
 				}
 			}
 			Method (_ON)  {

src/mainboard/system76/kbl-u/acpi/battery.asl

@@ -3,12 +3,12 @@
 Device (BAT0)
 {
 	Name (_HID, EisaId ("PNP0C0A") /* Control Method Battery */)  // _HID: Hardware ID
-	Name (_UID, Zero)  // _UID: Unique ID
+	Name (_UID, 0)  // _UID: Unique ID
 	Name (_PCL, Package (0x01)  // _PCL: Power Consumer List
 	{
 		_SB
 	})
-	Name (BFCC, Zero)
+	Name (BFCC, 0)
 	Method (_STA, 0, NotSerialized)  // _STA: Status
 	{
 		If (^^PCI0.LPCB.EC0.ECOK)
@@ -35,8 +35,8 @@ Device (BAT0)
 		0xFFFFFFFF, // 2 - Last Full Charge Capacity
 		1, // 3 - Battery Technology
 		0x39D0, // 4 - Design Voltage
-		Zero, // 5 - Design Capacity of Warning
-		Zero, // 6 - Design Capacity of Low
+		0, // 5 - Design Capacity of Warning
+		0, // 6 - Design Capacity of Low
 		0x40, // 7 - Battery Capacity Granularity 1
 		0x40, // 8 - Battery Capacity Granularity 2
 		"BAT", // 9 - Model Number
@@ -53,7 +53,7 @@ Device (BAT0)
 		PBIF [10] = " "
 		PBIF [11] = " "
 		PBIF [12] = " "
-		BFCC = Zero
+		BFCC = 0
 	}
 
 	Method (UPBI, 0, NotSerialized)
@@ -98,14 +98,14 @@ Device (BAT0)
 
 	Name (PBST, Package (0x04)
 	{
-		Zero, // 0 - Battery state
+		0, // 0 - Battery state
 		0xFFFFFFFF, // 1 - Battery present rate
 		0xFFFFFFFF, // 2 - Battery remaining capacity
 		0x3D90 // 3 - Battery present voltage
 	})
 	Method (IVBS, 0, NotSerialized)
 	{
-		PBST [0] = Zero
+		PBST [0] = 0
 		PBST [1] = 0xFFFFFFFF
 		PBST [2] = 0xFFFFFFFF
 		PBST [3] = 0x2710
@@ -115,8 +115,8 @@ Device (BAT0)
 	{
 		If (^^PCI0.LPCB.EC0.BAT0)
 		{
-			Local0 = Zero
-			Local1 = Zero
+			Local0 = 0
+			Local1 = 0
 			If (^^AC.ACFG)
 			{
 				If (((^^PCI0.LPCB.EC0.BST0 & 0x02) == 0x02))

src/mainboard/system76/kbl-u/acpi/ec.asl

@@ -22,7 +22,7 @@ Device (EC0)
 
 	#include "acpi/ec_ram.asl"
 
-	Name (ECOK, Zero)
+	Name (ECOK, 0)
 	Method (_REG, 2, Serialized)  // _REG: Region Availability
 	{
 		Debug = Concatenate("EC: _REG", Concatenate(ToHexString(Arg0), Concatenate(" ", ToHexString(Arg1))))
@@ -40,8 +40,8 @@ Device (EC0)
 			^^^^BAT0.UPBS()
 
 			// Notify of changes
-			Notify(^^^^AC, Zero)
-			Notify(^^^^BAT0, Zero)
+			Notify(^^^^AC, 0)
+			Notify(^^^^BAT0, 0)
 
 			PNOT ()
 
@@ -53,7 +53,7 @@ Device (EC0)
 		}
 	}
 
-	Name (S3OS, Zero)
+	Name (S3OS, 0)
 	Method (PTS, 1, Serialized) {
 		Debug = Concatenate("EC: PTS: ", ToHexString(Arg0))
 		If (ECOK) {
@@ -61,7 +61,7 @@ Device (EC0)
 			S3OS = ECOS
 
 			// Clear wake cause
-			WFNO = Zero
+			WFNO = 0
 		}
 	}
 
@@ -79,8 +79,8 @@ Device (EC0)
 			^^^^BAT0.UPBS()
 
 			// Notify of changes
-			Notify(^^^^AC, Zero)
-			Notify(^^^^BAT0, Zero)
+			Notify(^^^^AC, 0)
+			Notify(^^^^BAT0, 0)
 
 			// Reset System76 Device
 			^^^^S76D.RSET()

src/mainboard/system76/kbl-u/acpi/ec_ram.asl

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-OperationRegion (ERAM, EmbeddedControl, Zero, 0xFF)
+OperationRegion (ERAM, EmbeddedControl, 0, 0xFF)
 Field (ERAM, ByteAcc, Lock, Preserve)
 {
 	NMSG, 8,

src/mainboard/system76/kbl-u/acpi/hid.asl

@@ -3,19 +3,19 @@
 Device (HIDD)
 {
 	Name (_HID, "INT33D5")
-	Name (HBSY, Zero)
-	Name (HIDX, Zero)
-	Name (HRDY, Zero)
+	Name (HBSY, 0)
+	Name (HIDX, 0)
+	Name (HRDY, 0)
 
 	Method (HDEM, 0, Serialized)
 	{
-		HBSY = Zero
+		HBSY = 0
 		Return (HIDX)
 	}
 
 	Method (HDMM, 0, Serialized)
 	{
-		Return (Zero)
+		Return (0)
 	}
 
 	Method (HDSM, 1, Serialized)
@@ -29,7 +29,7 @@ Device (HIDD)
 		HIDX = Arg0
 
 		Notify (HIDD, 0xC0)
-		Local0 = Zero
+		Local0 = 0
 		While ((Local0 < 0xFA) && HBSY)
 		{
 			Sleep (0x04)
@@ -38,13 +38,13 @@ Device (HIDD)
 
 		If (HBSY == 1)
 		{
-			HBSY = Zero
-			HIDX = Zero
+			HBSY = 0
+			HIDX = 0
 			Return (1)
 		}
 		Else
 		{
-			Return (Zero)
+			Return (0)
 		}
 	}
 }

src/mainboard/system76/kbl-u/acpi/s76.asl

@@ -68,7 +68,7 @@ Device (S76D) {
 			^^PCI0.LPCB.EC0.FDAT = 1
 			^^PCI0.LPCB.EC0.FCMD = 0xCA
 			Local0 = ^^PCI0.LPCB.EC0.FBUF
-			^^PCI0.LPCB.EC0.FCMD = Zero
+			^^PCI0.LPCB.EC0.FCMD = 0
 		}
 		Return (Local0)
 	}
@@ -76,7 +76,7 @@ Device (S76D) {
 	// Set KB Led
 	Method (SKBL, 1, Serialized) {
 		If (^^PCI0.LPCB.EC0.ECOK) {
-			^^PCI0.LPCB.EC0.FDAT = Zero
+			^^PCI0.LPCB.EC0.FDAT = 0
 			^^PCI0.LPCB.EC0.FBUF = Arg0
 			^^PCI0.LPCB.EC0.FCMD = 0xCA
 		}