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/* SPDX-License-Identifier: GPL-2.0-only */
// Thermal Zone
External (\PPKG, MethodObj)
#define HAVE_THERMALZONE
Scope (\_TZ)
{
ThermalZone (THRM)
{
Name (_TC1, 0x02)
Name (_TC2, 0x03)
// Thermal zone polling frequency: 10 seconds
Name (_TZP, 100)
// Thermal sampling period for passive cooling: 10 seconds
Name (_TSP, 100)
// Convert from Degrees C to 1/10 Kelvin for ACPI
Method (CTOK, 1)
{
// 10th of Degrees C
Local0 = Arg0 * 10
// Convert to Kelvin
Local0 += 2732
Return (Local0)
}
// Threshold for OS to shutdown
Method (_CRT, 0, Serialized)
{
Return (CTOK (\TCRT))
}
// Threshold for passive cooling
Method (_PSV, 0, Serialized)
{
Return (CTOK (\TPSV))
}
// Processors used for passive cooling
Method (_PSL, 0, Serialized)
{
Return (\PPKG ())
}
Method (_TMP, 0, Serialized)
{
// Returns Higher of the two readings for CPU & VGA Temperature
If (\_SB.PCI0.LPCB.EC0.TMP2 > \_SB.PCI0.LPCB.EC0.TMP1)
{
// CPU high temperature
Local0 = \_SB.PCI0.LPCB.EC0.TMP2
}
Else
{
// VGA high temperature
Local0 = \_SB.PCI0.LPCB.EC0.TMP1
}
// If temp less 35 or great then 115, set default 35
If ((Local0 < 35) | (Local0 > 115))
{
Local0 = 35
}
Return (CTOK (Local0))
}
}
}
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