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ALCS1220A: Add layout 88 for MSI MPG Z390 Gaming Pro Carbon AC - #964

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ALCS1220A: Add layout 88 for MSI MPG Z390 Gaming Pro Carbon AC#964
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Summary

Adds ALCS1220A layout 88 for the MSI MPG Z390 Gaming Pro Carbon AC
with Realtek ALC1220P-VB2 audio.

The layout exposes the rear analog outputs and front headphones as
independent selectable output devices instead of combining them into
an automatic-switching output.

Hardware

  • Motherboard: MSI MPG Z390 Gaming Pro Carbon AC
  • Codec: Realtek ALC1220P-VB2
  • Codec ID: 0x10EC1168
  • Codec revision: 0x100101
  • Subsystem ID: 0x1462CB17
  • Layout ID: 88
  • Author: Tahsin Faiyaz

Working devices

  • Rear green line output
  • Front headphone output
  • Rear orange line output
  • Rear black line output
  • Optical S/PDIF output
  • Rear microphone
  • Front microphone
  • Rear line input

Output routes

  • Rear green: 0x14 -> 0x0C -> 0x02
  • Front headphone: 0x1B -> 0x0F -> 0x05
  • Rear orange: 0x16 -> 0x0E -> 0x04
  • Rear black: 0x15 -> 0x0D -> 0x03
  • Optical S/PDIF: 0x1E -> 0x06

Input routes

  • Rear microphone: 0x18 -> 0x22 -> 0x09
  • Front microphone: 0x19 -> 0x22 -> 0x09
  • Rear line-in: 0x1A -> 0x23 -> 0x08

Verification

  • AppleALC Release build succeeds
  • Layout loads with alcid=88
  • Five independent output devices are exposed
  • Analog outputs tested
  • Optical output tested
  • Input tested

Add a custom ALCS1220A layout for the MSI MPG Z390 Gaming Pro
Carbon AC with independent analog outputs, optical S/PDIF,
front/rear microphone support, and rear line-in.
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