RE: RFC: bus configuration setup for sub-devices

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>>
>> Up to now I usually saw the master-slave relationship defined as per
>> whether the protocol is "master" or "slave," which always was used from
>> the PoV of the bridge. I.e., even in a camera datasheet a phrase like
>> "supports master-parallel mode" means supports a mode in which the bridge
>> is a master and the camera is a slave. So, maybe it is better instead of
>a
>> .is_master flag to use a .master_mode flag?
>
>Sounds reasonable. I'll check a few datasheets myself to see what
>terminology
>they use.

Master/Slave is always confusing to me. In VPFE, it can act as master (when it output sync signal and pixel clock) and slave (when it get sync signal from sensor/decoder). We use VPFE as slave and sensor/decoder will provide the pixel clock and sync signal. Please confirm if this is what master_mode flag means.
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