---

static uint8_t zephyr_audio_in_bufs[ZEPHYR_AUDIO_BLOCK_SIZE * 2];
static uint8_t zephyr_audio_out_bufs[ZEPHYR_AUDIO_BLOCK_SIZE * 2];

void audio_dev_open_in_stream(struct audio_dev *audio_dev, void *stream) {
    struct zephyr_audio_dev_priv *priv = audio_dev->ad_priv;

    zephyr_adc.buf = &zephyr_audio_in_bufs[0];
    zephyr_hw_in.stream = stream;
    zephyr_i2s_open_stream(&zephyr_hw_in.i2s_stream, priv->buf, 1);
}