Release Notes for WM8904 Component Driver

Copyright © 2024 STMicroelectronics

Purpose

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

Update History

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

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()

Main Changes

  • First official release of WM8904 Audio Codec driver