Realtek ALC221 Big Sur using Open-core

[vasman]

I'm new to open core, but I'm getting my head around most of it with the exception of an audio problem. AppleALC kext is loaded
with the latest release. But I just can't seem to be able add the ALC221 codec. I have follow the guidance on amending OpenCore installation page. But can't find the section to edit. I'm using plistPro. Please see attached any help would be gratefully received.


48 3 0 0x2e000 0x2e000 as.vit9696.Lilu (1.5.3) A4C0AB78-C141-3DC5-812F-93408D94A4D7 <8 6 5 3 2 1>


49 0 0 0x17f000 0x17f000 as.vit9696.AppleALC (1.6.0) DDD8C0F0-0F68-3097-B152-5DA55047637F <48 14 8 6 5 3 2 1>


116 0 0xffffff7f981e5000 0x13000 0x13000 com.apple.driver.AppleHDAController (283.15) 496A01FD-8C68-37DF-8396-B58D72A7E57E <115 111 100 14 8 7 6 5 3 1>

 

[UtterDisbelief]

I'm new to open core, but I'm getting my head around most of it with the exception of an audio problem. AppleALC kext is loaded
with the latest release. But I just can't seem to be able add the ALC221 codec. I have follow the guidance on amending OpenCore installation page. But can't find the section to edit. I'm using plistPro. Please see attached any help would be gratefully received.


48 3 0 0x2e000 0x2e000 as.vit9696.Lilu (1.5.3) A4C0AB78-C141-3DC5-812F-93408D94A4D7 <8 6 5 3 2 1>


49 0 0 0x17f000 0x17f000 as.vit9696.AppleALC (1.6.0) DDD8C0F0-0F68-3097-B152-5DA55047637F <48 14 8 6 5 3 2 1>


116 0 0xffffff7f981e5000 0x13000 0x13000 com.apple.driver.AppleHDAController (283.15) 496A01FD-8C68-37DF-8396-B58D72A7E57E <115 111 100 14 8 7 6 5 3 1>

Hi there.

I'm not sure what you are trying to do.

If AppleALC.kext is loading okay then you just need to add the correct "alcid=" boot-command to the NVRAM section of config.plist.

Currently you have it set to "12" but according to the AppleALC wiki your options for the ALC221 are : 11, 15 or 88.

When testing each one remember to ResetNVRAM from the OpenCore boot menu (press Spacebar) when you reboot.