How To Patch AppleHDA.kext

Using AppleALC and Lilu

1. Place AppleALC.kext and Lilu.kext into Clover/Kext/Other

2. Inject Audio ID 4 in Clover or edit DSDT

legacy content

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1. Edit AppleHDA.kext/Contents/PlugIns/AppleHDAHardwareConfigDriver.kext/Contents/Info.plist
Add following codec to the key IOKitPersonalities / HDA Hardware Config Resource / HDAConfigDefault:
```

<dict>
	<key>AFGLowPowerState</key>
	<data>
	AwAAAA==
	</data>
	<key>Codec</key>
	<string>Mirone - Realtek ALC269</string>
	<key>CodecID</key>
	<integer>283902569</integer>
	<key>ConfigData</key>
	<data>
	AUccEAFHHQABRx4TAUcfkAGHHCABhx2QAYce
	gQGHHwIBtxwwAbcdEAG3HqABtx+QAhccQAIX
	HRACFx4hAhcfAgFHDAI=
	</data>
	<key>FuncGroup</key>
	<integer>1</integer>
	<key>LayoutID</key>
	<integer>3</integer>
</dict>
```
2. Patch Platform.xml and Layout3.xml
Copy Platform.xml.zlib and layout3.xml.zlib to AppleHDA.kext/Content/Resources/
```
zlib.pl usage:
inflate：
perl zlib.pl inflate layout3.xml.zlib > layout3.xml
perl zlib.pl inflate Platforms.xml.zlib > Platforms.xml
deflate
perl zlib.pl deflate layout3.xml > layout3.xml.zlib
perl zlib.pl deflate Platforms.xml > Platforms.xml.zlib
```

3. Binary Patch

[Clover patch][2] or manually:

```
tools/patch-hda/patch-hda.pl -s /Path/to/AppleHDA.kext 10ec0269
```

4. DSDT Patch

Use layout 3 (edit DSDT or inject with Clover).