下面是我设备树的配置
这是原理图
系统已经可以检测到音频设备了
但执行录音的时候,提示arecord: pcm_read:2272: read error: Input/output error,并退出
我量芯片sclk引脚,也没有量到时钟
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关于CONFIG_SND_SOC_DAVINCI_MCASP配置成y,您可以尝试参考下面帖子: