[PATCH v3 00/24] i.MX Media Driver

Wed Feb 1 02:53:10 PST 2017

On Wed, Feb 01, 2017 at 11:42:31AM +0100, Philipp Zabel wrote:
> On Wed, 2017-02-01 at 10:11 +0000, Russell King - ARM Linux wrote:
> Right, it's just that in the latest version there is no v4l2_subdev for
> fifos and idmac. There is the capture interface entity that represents
> one of the IDMAC write channels, but that doesn't have a pad and format
> configuration.
> The SMFC entity was removed because the fifo can be considered part of
> the link between CSI and IDMAC. There is no manual configuration
> necessary as the SMFC itself can't do anything to the data that flows
> through it. There is no reason to present it to userspace as a no-op
> entity.
> So in the direct CSI -> SMFC -> IDMAC case, the CSI source pad now is
> the nearest neighbor pad to the IDMAC capture video device.

Ok, that sounds fine then.

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