数据结构设计
管理 AudioCodec 的配置信息
struct aic_codec { struct device *dev; struct regmap *regmap; struct clk *clk; struct reset_control *rst; struct resource *res; struct snd_dmaengine_dai_dma_data capture_dma_dmic; struct snd_dmaengine_dai_dma_data capture_dma_adc; struct snd_dmaengine_dai_dma_data playback_dma; };