Re: [PATCH v3 00/31] v4l: add support for multiplexed streams

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Hi Jacopo,

On Tue, Mar 05, 2019 at 07:51:19PM +0100, Jacopo Mondi wrote:
> Hello,
>    third version of multiplexed stream support patch series.
> 
> V2 sent by Niklas is available at:
> https://patchwork.kernel.org/cover/10573817/
> 
> As per v2, most of the core patches are work from Sakari and Laurent, with
> Niklas' support on top for adv748x and rcar-csi2.
> 
> The use case of the series remains the same: support for virtual channel
> selection implemented on R-Car Gen3 and adv748x. Quoting the v2 cover letter:
> 
> -------------------------------------------------------------------------------
> I have added driver support for the devices used on the Renesas Gen3
> platforms, a ADV7482 connected to the R-Car CSI-2 receiver. With these
> changes I can control which of the analog inputs of the ADV7482 the
> video source is captured from and on which CSI-2 virtual channel the
> video is transmitted on to the R-Car CSI-2 receiver.
> 
> The series adds two new subdev IOCTLs [GS]_ROUTING which allows
> user-space to get and set routes inside a subdevice. I have added RFC
> support for these to v4l-utils [2] which can be used to test this
> series, example:
> 
>     Check the internal routing of the adv748x csi-2 transmitter:
>     v4l2-ctl -d /dev/v4l-subdev24 --get-routing
>     0/0 -> 1/0 [ENABLED]
>     0/0 -> 1/1 []
>     0/0 -> 1/2 []
>     0/0 -> 1/3 []
> 
> 
>     Select that video should be outputed on VC 2 and check the result:
>     $ v4l2-ctl -d /dev/v4l-subdev24 --set-routing '0/0 -> 1/2 [1]'
> 
>     $ v4l2-ctl -d /dev/v4l-subdev24 --get-routing
>     0/0 -> 1/0 []
>     0/0 -> 1/1 []
>     0/0 -> 1/2 [ENABLED]
>     0/0 -> 1/3 []
> -------------------------------------------------------------------------------
> 
> Below is reported the media graph of the system used for testing [1].
> 
> v4l2-ctl patches to handle the newly introduced IOCTLs are available from
> Niklas' repository at:
> git://git.ragnatech.se/v4l-utils routing

Could you send the v4l2-ctl patches out as well, please?

-- 
Sakari Ailus
sakari.ailus@xxxxxxxxxxxxxxx



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