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pagetitle: Release Notes for WM8904 Audio Codec Component Driver
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# Release Notes for <mark>WM8904</mark> Component Driver
Copyright &copy; 2024 STMicroelectronics\

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# Purpose

This driver provides a set of audio functions offered by WM8904 Codec component

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# Update History

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<label for="collapse-section3" aria-hidden="true">__V1.1.1 / 15-September-2025__</label>
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## Main Changes

- Maintenance release of **WM8904** Audio Codec driver
- Changes compared with V1.1.0 release
  - Reduce excessive initialization delay by checking stabilization ready flag instead of waiting a fixed time
  - Update initialization to use output device passed as parameter instead of current device which is not yet initialized

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<label for="collapse-section2" aria-hidden="true">__V1.1.0 / 20-September-2024__</label>
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## Main Changes

- First maintenance release of **WM8904** Audio Codec driver
- Changes compared with V1.0.0 release
  - Update input devices to be defined as bitfields
  - Implement LINE_IN2 and digital microphone path
  - Add 24KHz audio frequency support
  - Update IsInitialized variable at the end of init function WM8904_Init()

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<label for="collapse-section1" aria-hidden="true">__V1.0.0 / 28-February-2024__</label>
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## Main Changes

- First official release of **WM8904** Audio Codec driver

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