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SubjectRe: [RFC PATCH] [media]: of: move graph helpers from drivers/media/v4l2-core to drivers/of
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On Thu, 27 Feb 2014 10:36:36 +0200, Tomi Valkeinen <tomi.valkeinen@ti.com> wrote:
> On 26/02/14 16:48, Philipp Zabel wrote:
>
> >> I would like the document to acknowledge the difference from the
> >> phandle+args pattern used elsewhere and a description of when it would
> >> be appropriate to use this instead of a simpler binding.
> >
> > Alright. The main point of this binding is that the devices may have
> > multiple distinct ports that each can be connected to other devices.
>
> The other main point with this binding are multiple endpoints per port.
> So you can have, say, a display controller, with single port, which has
> two endpoints going to two separate LCD panels.
>
> In physical level that would usually mean that the same pins from the
> display controller are connected to two panels. Most likely this would
> mean that only one panel can be used at a time, possibly with different
> settings (say, 16 RGB pins for one panel, 24 RGB pins for the other).

What device is in control in that scenario?

g.


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