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DM8148音频驱动

      大家好!

                    我现在的板子音频部分电路和evm板子设计一样,声音也是从MCA2通道走,在测试程序中打开MCA2时,显示打开设备失败,打开MCA0时,没有问题;

     请问是不是要在什么地方进行修改?才能打开MCA2。

                   谢谢!