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a825da4e56
This works around bugs in APTIO V NVRAM implementation on Z390 and above. Based off multiple third-party contributions with additional debugging from https://www.hackintosh-forum.de/forum/thread/46154. Also thanks to @vandroiy2013. closes acidanthera/bugtracker#397
37 lines
1.1 KiB
Plaintext
37 lines
1.1 KiB
Plaintext
/*
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* Starting with macOS 10.15 Ambient Light Sensor presence is required for backlight functioning.
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* Here we create an Ambient Light Sensor ACPI Device, which can be used by SMCLightSensor kext
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* to report either dummy (when no device is present) or valid values through SMC interface.
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*/
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DefinitionBlock ("", "SSDT", 2, "ACDT", "ALS0", 0x00000000)
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{
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Scope (_SB)
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{
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Device (ALS0)
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{
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Name (_HID, "ACPI0008" /* Ambient Light Sensor Device */) // _HID: Hardware ID
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Name (_CID, "smc-als") // _CID: Compatible ID
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Name (_ALI, 0x012C) // _ALI: Ambient Light Illuminance
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Name (_ALR, Package (0x01) // _ALR: Ambient Light Response
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{
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Package (0x02)
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{
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0x64,
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0x012C
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}
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})
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Method (_STA, 0, NotSerialized) // _STA: Status
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{
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If (_OSI ("Darwin"))
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{
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Return (0x0F)
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}
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Else
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{
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Return (Zero)
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}
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}
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}
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}
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}
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