audio_ALCInjection
                                
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                        Sierra- No Audio ALC 255
Hi Toleda ! I want to ask do not know this giude https://www.tonymacx86.com/threads/audio-realtek-alc-applehda-guide.143757/ of you has support audio board id of laptop ALC255 ? I have tried but i get informed is not support ? Thanks you.
@cvulam any progress on this? I have ALC255 too, code detect says 'no audio codec detected'.
Apologies for delay in replying. Not supported, see README/F. Realtek ALCxxx/1. Supported codecs