The PTP subsystem only allows one pin to be mapped to one channel for
periodic outputs. Why does the ptp subsystem force only allowing one pin
index to one a periodic output channel? It seems like a common use case to
want to assign a single periodic output to multiple pins.
The current implementation has an undesired side effect. The ptp subsystem
will disable the old pin if you assign a new pin to that periodic output.
That behavior seems undesirable if the user is not notified when the pin is
disabled or not prevented from reassignment.
Thanks,
Alex Fontaine
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