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AppleHDA Realtek Audio [Guide]

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Bluetooth audio does not use AppleHDA.kext, off topic.

Do you confirm the difference between ALC 892 and ALC 1220 is so big you can actually hear it with your headphones?
I didn't expect audio quality to be this different.
Where should I look for Bluetooth Audio?
 

toleda

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I have ALC294 codec on ASUS Vivobook X542UA.
Internal microphone doesn't work, but there is 2 * Line In devices appears.

408127


What should I do to get working Internal Mic? Debug files attached, codec dumped into Clover/Misc.
Ext headphones/mic works normally, when attached.
 

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  • debug_27404.zip
    4 MB · Views: 48

toleda

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I have ALC294 codec on ASUS Vivobook X542UA
See Post #1/IV. Problem Reporting - Description, diagnostics, files, screenshots
  1. 885/887/889/892/898/1150/1200/1220 codec and layout 1/2/3, Desktop support only:
  2. All other codecs and layouts:
Not supported, post to linked thread
Off topic
 
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Thanks for this crisp guide.

My laptop details
Dell Latitude E5280
Kabylake, i5-7200U, HD 620
Audio Codec ALC225
macOS: 10.14.5

My results wIth AppleALC kext:
I am able to get audio with AppleALC kext and native AppleHDA kext with config.plist layout set to 33. Headphones don't work. They work with ACPIPlugFix, but headphone distortion starts after waking from sleep.

I am interested in using the AppleHDA patch to see if I can do better.

Result with Mirone AppleHDA Patch v1.9:
With fullpatched AppleHDA, the speaker icon is greyed out and Sound Output and Input have no devices. USB Audio device works even without the patching, and continues to work with the patch. My DSDT is patched only for IRQ. In config.plist ACPI / HDAS renaming is done to HDEF and Device / Audio Layout =2.


I have done everything as per the guide, including trying out aDummy in SLE, HDAEnabler in SLE (or HDEF+IRQ patch in DSDT)

All the problem reporting files are attached. Please help me to make the AppleHDA Audio patch work properly with all devices including headphone.
 

Attachments

  • rachanta.zip
    4.6 MB · Views: 54

P1LGRIM

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My laptop details

 

toleda

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Please help me to make the AppleHDA Audio patch work properly with all devices including headphone.
AppleHDAPatcher is not supported on this site. Off topic.

5/29/19, ignored replies, duplicate post removed
 
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Something odd happening with audio in Catalina Beta - Signature: 300 Series-1:

Audio output in System Preferences defaults to "Digital Out" on boot. Need to select "Internal Speakers" for audio after each boot.

Could this be an AppleALC issue?
 

Attachments

  • IOReg_Catalina-Beta_AppleALC 1.3.9.zip
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