GitHub - EMlyDinEsHMG/IOAudioFamily-Sleep-Audio-FIx: Fix for the Audio after sleep by sending EAPD Verb Command to the Codec.

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Fix for the Audio after sleep by sending EAPD Verb Command to the Codec.

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Name		Name	Last commit message	Last commit date
Latest commit History 2 Commits
English.lproj		English.lproj
IOAudioFamily.xcodeproj		IOAudioFamily.xcodeproj
PCMBlitterLib		PCMBlitterLib
build		build
dpkg		dpkg
.DS_Store		.DS_Store
APPLE_LICENSE		APPLE_LICENSE
HISTORY.rtf		HISTORY.rtf
IOAudioControl.cpp		IOAudioControl.cpp
IOAudioControl.h		IOAudioControl.h
IOAudioControlUserClient.cpp		IOAudioControlUserClient.cpp
IOAudioControlUserClient.h		IOAudioControlUserClient.h
IOAudioDebug.h		IOAudioDebug.h
IOAudioDefines.h		IOAudioDefines.h
IOAudioDevice.cpp		IOAudioDevice.cpp
IOAudioDevice.h		IOAudioDevice.h
IOAudioEngine.cpp		IOAudioEngine.cpp
IOAudioEngine.h		IOAudioEngine.h
IOAudioEngineMixer.cpp		IOAudioEngineMixer.cpp
IOAudioEngineUserClient.cpp		IOAudioEngineUserClient.cpp
IOAudioEngineUserClient.h		IOAudioEngineUserClient.h
IOAudioFamily-README.rtf		IOAudioFamily-README.rtf
IOAudioLevelControl.cpp		IOAudioLevelControl.cpp
IOAudioLevelControl.h		IOAudioLevelControl.h
IOAudioPort.cpp		IOAudioPort.cpp
IOAudioPort.h		IOAudioPort.h
IOAudioSelectorControl.cpp		IOAudioSelectorControl.cpp
IOAudioSelectorControl.h		IOAudioSelectorControl.h
IOAudioStream.cpp		IOAudioStream.cpp
IOAudioStream.h		IOAudioStream.h
IOAudioToggleControl.cpp		IOAudioToggleControl.cpp
IOAudioToggleControl.h		IOAudioToggleControl.h
IOAudioTypes.h		IOAudioTypes.h
Info-IOAudioFamily.plist		Info-IOAudioFamily.plist
README		README
TIMERS_CONVERSION_HEADER.h		TIMERS_CONVERSION_HEADER.h

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AppleHDA Sleep Audio Fix

There is a problem with the AppleHDA driver for ALC269 and others with EAPD existence in their codec at either Headphone or Speaker, which is after sleep there is no audio coming from the device because External Amplifier is not enabled by AppleHDA.

	So, there is a workaround for this problem which I got from the meklort's netbook installer but it was patched for older versions of AppleHDA in the open source IOAudioFamily kext and its not working now. I've used the idea from there and implemented my way of fixing the problem.

Now, I have successfully implemented the fix for this audio problem after sleep. My fix has been applied to most recent version of IOAudioFamily and its working well to me in ALC269. I've made changes to two files which is AudioDevice and AudioEngine for fixing this.