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A and B two devices are DRP, if TYPE - C together, how to rule A for DFP?chip is PD3125。
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Hi ly lyl,
Below two ways you can refer to.
1. You can use try source on CC line for A device.
2. You can let A device and B device working as the role when it is attached. after that, you can add some customize logic in A device to check the role of A device, if the A device is power sink role, you could use DR_SWAP to make A device become DFP role.
Best Regards,
Lisa
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Hi ly lyl,
Below two ways you can refer to.
1. You can use try source on CC line for A device.
2. You can let A device and B device working as the role when it is attached. after that, you can add some customize logic in A device to check the role of A device, if the A device is power sink role, you could use DR_SWAP to make A device become DFP role.
Best Regards,
Lisa