现在ccg3与MUX芯片已通过iic能够通讯，但当与电脑相连时，会依次报告 aa 84 9a（Hard Reset Sent to Port Partner） b8（Hardware Error ） 9a b8 9a b8 9d 的事件，具体寄存器值见附件log.txt
抓取MUX与ccg3的IIC波形，为：20 00 20，只有一帧数据，请帮忙查找一下ccg3中是什么情况下会出现这种情况，多谢。
LOG：
[ccg3]ccg3 device register value:[ccg3] device_mode = 91
[ccg3] intr_reg = 2 [ccg3] pdport_enable = 1
[ccg3] response = 0 0 [ccg3] pd_control = 0
[ccg3] pd_status = 10036 [ccg3] type_c_status = 0
[ccg3] bus_voltage = 2e [ccg3] alt_mode_cmd[4] = 0 0 0 0
[ccg3] app_hw_cmd[4] = 0 0 0 0 [ccg3] event_mask = 7fffe
[ccg3] alt_mode_status = 0 [ccg3] port_intr_status = 0
[ccg3] pd_response = aa 0 0 0
[ccg3]ccg3 device register value:[ccg3] device_mode = 91
[ccg3] intr_reg = 2 [ccg3] pdport_enable = 1
[ccg3] response = 0 0 [ccg3] pd_control = 0
[ccg3] pd_status = 14036 [ccg3] type_c_status = 9
[ccg3] bus_voltage = 2f [ccg3] alt_mode_cmd[4] = 0 0 0 0
[ccg3] app_hw_cmd[4] = 0 0 0 0 [ccg3] event_mask = 7fffe
[ccg3] alt_mode_status = 0 [ccg3] port_intr_status = 0
[ccg3] pd_response = 84 0 0 0
[ccg3]ccg3 device register value:[ccg3] device_mode = 91
[ccg3] intr_reg = 2 [ccg3] pdport_enable = 1
[ccg3] response = 0 0 [ccg3] pd_control = 0
[ccg3] pd_status = 14036 [ccg3] type_c_status = 9
[ccg3] bus_voltage = 2d [ccg3] alt_mode_cmd[4] = 0 0 0 0
[ccg3] app_hw_cmd[4] = 0 0 0 0 [ccg3] event_mask = 7fffe
[ccg3] alt_mode_status = 0 [ccg3] port_intr_status = 0
[ccg3] pd_response = 9a 0 0 0
[ccg3]ccg3 device register value:[ccg3] device_mode = 91
[ccg3] intr_reg = 2 [ccg3] pdport_enable = 1
[ccg3] response = 0 0 [ccg3] pd_control = 0
[ccg3] pd_status = 14036 [ccg3] type_c_status = 9
[ccg3] bus_voltage = 2e [ccg3] alt_mode_cmd[4] = 0 0 0 0
[ccg3] app_hw_cmd[4] = 0 0 0 0 [ccg3] event_mask = 7fffe
[ccg3] alt_mode_status = 0 [ccg3] port_intr_status = 0
[ccg3] pd_response = b8 1 0 0 [ccg3] pd_data = 1 0
[ccg3]ccg3 device register value:[ccg3] device_mode = 91
[ccg3] intr_reg = 2 [ccg3] pdport_enable = 1
[ccg3] response = 0 0 [ccg3] pd_control = 0
[ccg3] pd_status = 14036 [ccg3] type_c_status = 9
[ccg3] bus_voltage = 2e [ccg3] alt_mode_cmd[4] = 0 0 0 0
[ccg3] app_hw_cmd[4] = 0 0 0 0 [ccg3] event_mask = 7fffe
[ccg3] alt_mode_status = 0 [ccg3] port_intr_status = 0
[ccg3] pd_response = 9a 0 1 0
