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DTS modules (device modules) often have a single source file with an empty `struct Module`. The module's yaml file now allows a `dts-only` boolean to be set, so the source file becomes optional. `devicetree.yaml` is renamed everywhere to `module.yaml`
ES8388 audio codec
A driver for the ES8388 audio codec by Everest Semiconductor, wired as a dual
in/out AUDIO_CODEC_TYPE device (speaker output + line/mic input). The I2C bus is
the device's parent; the I2S controller carrying audio data is referenced via a devicetree phandle.
Wraps Espressif's esp_codec_dev ES8388 implementation.
See https://www.everest-semi.com/pdf/ES8388%20DS.pdf
License: Apache v2.0