#Maintained by: RehabMan for: HP Probook 4x30s/4x40s
# 04c_FanSpeed.txt
# This fan patch simply reports CPU Heatsink, Ambient, and Fan Speed.
# No manipulation of fan speed is done. You get default BIOS behavior.
# add fan readings only
into device label SMCD remove_entry;
into definitionblock code_regex . insert
begin
Device (SMCD)\n
{\n
Name (_HID, "FAN00000") // _HID: Hardware ID\n
// ACPISensors.kext configuration\n
Name (TACH, Package()\n
{\n
"System Fan", "FAN0",\n
})\n
Name (TEMP, Package()\n
{\n
"CPU Heatsink", "TCPU",\n
"Ambient", "TAMB",\n
//"Mainboard", "TSYS",\n
//"CPU Proximity", "TCPP",\n
})\n
// Actual methods to implement fan/temp readings/control\n
Method (FAN0, 0, Serialized)\n
{\n
Store (\_SB.PCI0.LPCB.EC0.FRDC, Local0)\n
If (Local0) { Divide (Add(0x3C000, ShiftRight(Local0,1)), Local0,, Local0) }\n
If (LEqual (0x03C4, Local0)) { Return (Zero) }\n
Return (Local0)\n
}\n
Method (TCPU, 0, Serialized)\n
{\n
Acquire (\_SB.PCI0.LPCB.EC0.ECMX, 0xFFFF)\n
Store (1, \_SB.PCI0.LPCB.EC0.CRZN)\n
Store (\_SB.PCI0.LPCB.EC0.DTMP, Local0)\n
Release (\_SB.PCI0.LPCB.EC0.ECMX)\n
Return (Local0)\n
}\n
Method (TAMB, 0, Serialized)\n
{\n
Acquire (\_SB.PCI0.LPCB.EC0.ECMX, 0xFFFF)\n
Store (4, \_SB.PCI0.LPCB.EC0.CRZN)\n
Store (\_SB.PCI0.LPCB.EC0.TEMP, Local0)\n
Release (\_SB.PCI0.LPCB.EC0.ECMX)\n
Return (Local0)\n
}\n
}\n
end;
