The Realtek ALC AppleHDA Support kext, installed with the native AppleHDA.kext, enables full onboard, HDMI and DP audio (Note 1). The ALC AppleHDA Support kext provides audio codec binary patch and config data and layouts and platforms injection.
Update: 10.10: Yosemite Initial Realtek ALC support
Requirements
1. Chameleon/Chimera/Clover
1. Optional/Clover, see https://github.com/toleda/audio_CloverALC
2. OS X
1. 10.10 or newer
2. 10.9 or newer
3. Native AppleHDA.kext (If not installed, apply Combo Update)
4. Supported Realtek on board audio codec
Realtek ALC AppleHDA Support Kext Method
1. Realtek ALC AppleHDA Support kext with patched binaries
1. Native AppleHDA.kext untouched
2. Clover/Devices/Audio/Inject/Audio ID
3. AppleHDA8Series - ConfigData, layouts, Platforms and HDA binary patch
Realtek ALC AppleHDA Support Kext - Installation
1. Clover (Use Clover Configurator, Xcode, Property List Editor, etc.)
1. EFI/Clover/config.plist/Add
1. Devices/Audio/Inject/Layout (1, 2 or 3)
2. Save
2. ALC Support kext (Use Terminal/Terminal output below)
1. https://github.com/Piker-Alpha/AppleHDA8Series.sh
2. Download Zip
3. $ cd Downloads/AppleHDA8Series.sh-master
4. $ ./AppleHDA8Series.sh (no arguments required)
5. Password
6. Codec
7. Layout
8. Version
9. Install S/L/E
3. Restart
4. Verify ALC AppleHDA Support kext installed
1. S/L/E/AppleHDA885
2. S/L/E/AppleHDA887
3. S/L/E/AppleHDA888
4. S/L/E/AppleHDA889
5. S/L/E/AppleHDA892
6. S/L/E/AppleHDA898
7. S/L/E/AppleHDA1150
5. Verify ALC onboard audio
1. System Preferences/Sound/Output/select audio device
Notes
1. HDMI/DP audio may require
1. dsdt/ssdt edits
2. framebuffer edits
2. 887/888 Legacy
1. Replace AppleHDALoader.kext/Contents/Resources/Platforms.xml.zlib
with Legacy Platforms.xml.zlib (v100202) from:
1. https://github.com/toleda/audio_ALC887
2. https://github.com/toleda/audio_ALC888
3. Layout Definitions (Layout/Audio ID injection installed separately,
see https://github.com/toleda/audio_ALCInjection)
1 - 3/5/6 audio port analog audio
2 - 3 audio port analog audio
3 - HD3000/HD4000 HDMI audio and analog audio
4. Recommendations
1. Rename backup AppleHDA.kext after each Software Update
1. Rename Desktop/AppleHDA-orig.kext to AppleHDA-10-9-x.kext
2. If audio fails after Software Update
1. Install AppleHDA-10-9-x-1.kext (previous working native AppleHDA.kext
Tools
1. Clover Configurator - http://www.osx86.net/files/file/49-clover-configurator/[/url]
2. Clover Wiki - http://clover-wiki.zetam.org/Home
3. Property List Editor - Xcode, Property List Editor, PlistEdit Pro, TextEdit, etc.
4. IOReg (View Raw) - https://github.com/toleda/audio_ALCInjection/blob/master/IORegistryExplorer_v2.1.zip
Problem Reporting (include the following information)
1. Description of audio problem
1. OS X version/motherboard model/BIOS version/processor/graphics
2. Procedure/Guide Used/AppleHDA.kext version
3. AppleHDA(codec).kext (i.e., AppleHDA1150.kext)
4. Copy of IOReg - IOReg_v2.1/File/Save a Copy As…, verify file (not
ioreg.txt)
5. Extra/dsdt.aml (if installed)
6. Console/All Messages/kernel Sound assertions selected/Save
Selection As…..
7. Screenshot of System Information/Hardware/Audio/Intel High
Definition Audio (not Devices)
2. Post to:
1. http://www.tonymacx86.com/audio/112461-mavericks-no-audio-realtek-alc-applehda.html
2. http://www.insanelymac.com/forum/topic/298819-yosemite-audio-realtek-alc-applehda/
3. http://www.insanelymac.com/forum ... alc-applehda-audio/
AppleHDA8Series.sh v2.5 Copyright (c) 2013-2014 by Pike R. Alpha
patched XML files by Toleda and contributors
----------------------------------------------------------------
The supported Realtek ALC codecs for AppleHDA8Series.sh are:
Please choose the desired codec for the hardware: 7
Do you want to use [2] as the layout-id (y/n)? y
Looking in /System/Library/Extensions/AppleHDA.kext for ConfigData
Looking in /System/Library/Extensions/FakeSMC.kext for ConfigData
Error: ConfigData NOT found!
Downloading [url]https://raw.github.com/toleda/audio_ALC1150/master/1150.zip ...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 16136 100 16136 0 0 12772 0 0:00:01 0:00:01 --:--:-- 12775
Unzipping Archive: /tmp/ALC1150.zip
creating: /tmp/1150/
inflating: /tmp/1150/Info-85.plist
inflating: /tmp/1150/Info-90.plist
inflating: /tmp/1150/Info-91.plist
inflating: /tmp/1150/Info-92.plist
extracting: /tmp/1150/layout1.xml.zlib
extracting: /tmp/1150/layout2.xml.zlib
inflating: /tmp/1150/Platforms.xml.zlib
Looking in /tmp/1150/Info-92.plist for ConfigData
ConfigData for Realtek ALC 1150 found!
------------------------------------------------------------
AUccEAFHHUABRx4RAUcfkAFXHPABVx0AAVceAAFXH0ABZxzwAWcdAAFnHgABZx9AAXcc8AF3HQABdx4AAXcfQAGHHEABhx1gAYceAQGHHwEBlxxgAZcdkAGXHqABlx+QAaccUAGnHRABpx4BAacfAQG3HHABtx1AAbceIQG3HwIB5xyQAecdYQHnHksB5x8BAfcc8AH3HQAB9x4AAfcfQAEXHPABFx0AARceAAEXH0A=
------------------------------------------------------------
Creating AppleHDA1150.kext in: ...Downloads/AppleHDA8Series.sh-master
Copying AppleHDA ...
Bin-patching AppleHDA ... Done.
Copying AppleHDAController ...
Bin-patching AppleHDAController ... Done.
AppleHDA1150.kext appears to be loadable (including linkage for on-disk libraries).
Do you want to copy AppleHDA1150.kext to: /System/Library/Extensions? (y/n) y
Do you want to reboot now? (y/n) n
Done.
