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dm6467 Mcasp I2s 调试录音出错



dm6467 dvsdk3.0平台下,linux2.6.38 kernel ,使用aic32声卡芯片,芯片驱动未经过修改。

采用arecord  录音出现如下错误:arecord:pcm_read:1617 :read error:input/output error

之前在dm368上录音都是正常的,现在不知道什么原因了?请指点。谢谢!