David Sidrane 5e19ebb818 stm32F7:Etablish device before enabling outputs
This prevents gliches on changing to an output mode.
   If not the ALT mux can be selecting a IP block that
   is drving the line to say 0. Then the output is connected
   to that source, then swithced to the correct source.
2021-09-21 18:25:16 -07:00
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