ASUS ROG Maximus XIII Hero (Tiger Lake, ALC4082) - Microphone not working - Missing USB ID 0b05:19ac

ASUS ROG Maximus XIII Hero (Tiger Lake, ALC4082) - Microphone not working - Missing USB ID 0b05:19ac

[GitHub issues - opened]

alsa-project/alsa-ucm-conf issue #683 was opened from FallonBlue:

## Hardware
- **Motherboard**: ASUS ROG Maximus XIII Hero (Z490/Z590 chipset, Tiger Lake)
- **Audio Codec**: Realtek ALC4082 (connected via USB)
- **USB Device ID**: `0b05:19ac`
- **OS**: Bazzite (Fedora-based), kernel 6.17.7
- **Audio Stack**: PipeWire + WirePlumber

## Problem
The microphone input on the rear panel does not work. The device is detected as "Generic USB Audio" but ALSA UCM does not recognize it, so proper audio routing is not configured. Speaker/headphone output works fine.

## Root Cause
The USB device ID `0b05:19ac` is missing from the UCM configuration files:
- `/usr/share/alsa/ucm2/USB-Audio/USB-Audio.conf`
- `/usr/share/alsa/ucm2/USB-Audio/Realtek/ALC4080-HiFi.conf`

## Requested Fix
Please add `0b05:19ac` (ASUS ROG Maximus XIII Hero) to the ALC4080 UCM configuration, similar to how issue #165 was resolved for the Z690 Hero (`0b05:1a27`).

The device appears in lsusb as:
```
Bus 001 Device 002: ID 0b05:19ac ASUSTek Computer, Inc. USB Audio
```

## Additional Info
- Microphone works correctly in Windows
- Workaround: Using external USB microphone
- Related boards already in config: `0b05:1996` (Maximus XIII), `0b05:1a27` (Z690 Hero)

Thank you!

Issue URL     : https://github.com/alsa-project/alsa-ucm-conf/issues/683
Repository URL: https://github.com/alsa-project/alsa-ucm-conf