76 lines
2.1 KiB
Markdown
76 lines
2.1 KiB
Markdown
---
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pagetitle: Release Notes for WM8904 Audio Codec Component Driver
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lang: en
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header-includes: <link rel="icon" type="image/x-icon" href="_htmresc/favicon.png" />
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---
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::: {.row}
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::: {.col-sm-12 .col-lg-4}
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<center>
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# Release Notes for <mark>WM8904</mark> Component Driver
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Copyright © 2024 STMicroelectronics\
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[](https://www.st.com){.logo}
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</center>
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# Purpose
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This driver provides a set of audio functions offered by WM8904 Codec component
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:::
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::: {.col-sm-12 .col-lg-8}
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# Update History
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::: {.collapse}
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<input type="checkbox" id="collapse-section3" checked aria-hidden="true">
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<label for="collapse-section3" aria-hidden="true">__V1.1.1 / 15-September-2025__</label>
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<div>
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## Main Changes
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- Maintenance release of **WM8904** Audio Codec driver
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- Changes compared with V1.1.0 release
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- Reduce excessive initialization delay by checking stabilization ready flag instead of waiting a fixed time
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- Update initialization to use output device passed as parameter instead of current device which is not yet initialized
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</div>
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:::
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::: {.collapse}
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<input type="checkbox" id="collapse-section2" aria-hidden="true">
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<label for="collapse-section2" aria-hidden="true">__V1.1.0 / 20-September-2024__</label>
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<div>
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## Main Changes
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- First maintenance release of **WM8904** Audio Codec driver
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- Changes compared with V1.0.0 release
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- Update input devices to be defined as bitfields
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- Implement LINE_IN2 and digital microphone path
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- Add 24KHz audio frequency support
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- Update IsInitialized variable at the end of init function WM8904_Init()
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</div>
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:::
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::: {.collapse}
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<input type="checkbox" id="collapse-section1" aria-hidden="true">
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<label for="collapse-section1" aria-hidden="true">__V1.0.0 / 28-February-2024__</label>
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<div>
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## Main Changes
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- First official release of **WM8904** Audio Codec driver
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</div>
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<footer class="sticky">
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For complete documentation on <mark>STM32 Microcontrollers</mark> ,
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visit: [[www.st.com](http://www.st.com/STM32)]{style="font-color: blue;"}
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</footer>
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