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TUSB1046配置AUX通路配置

我们通过TUSB1046想做DP信号切换,使TypeC能输出DP信号,typec通过CC协商已经进入alt mode;

tusb1046使用的i2c模式配置,根据datasheet 寄存器0x0a的 CTLSEL1 CTLSEL0 FLIPSEL 配置lane和aux->sbu,

平台端报aux 读写错误,请问tusb1046做DP切换,通路配置有什么需要注意的?

期待回复