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Release Notes for WM8904 Audio Codec Component Driver en <link rel="icon" type="image/x-icon" href="_htmresc/favicon.png" />

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# Release Notes for WM8904 Component Driver Copyright © 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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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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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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Main Changes

  • First official release of WM8904 Audio Codec driver
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For complete documentation on STM32 Microcontrollers , visit: [[www.st.com](http://www.st.com/STM32)]{style="font-color: blue;"}