Re: [PATCH v4 0/3] DCMI bridge support

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Hi Hugues,

Can you provide the output of the most recent v4l2-compliance?

Use 'v4l2-compliance -s'.

Also, just to confirm, with this v4 there are no /dev/mediaX or
/dev/v4l-subdevX devices created anymore, right?

This v4 looks good to me, I just want to have these final checks
done.

Regards,

	Hans

On 7/31/19 2:56 PM, Hugues Fruchet wrote:
> This patch serie allows to connect non-parallel camera sensor to
> DCMI thanks to a bridge connected in between such as STMIPID02 [1].
> 
> Media controller support is introduced first, then support of
> several sub-devices within pipeline with dynamic linking
> between them.
> In order to keep backward compatibility with applications
> relying on V4L2 interface only, format set on video node
> is propagated to all sub-devices connected to camera interface.
> 
> [1] https://www.spinics.net/lists/devicetree/msg278002.html
> 
> ===========
> = history =
> ===========
> version 4:
>   - Also drop subdev nodes registry as suggested by Hans:
>     https://www.spinics.net/lists/arm-kernel/msg743375.html
> 
> version 3:
>   - Drop media device registry to not expose media controller
>     interface to userspace as per Laurent' suggestion:
>     https://www.spinics.net/lists/linux-media/msg153417.html
>   - Prefer "source" instead of "sensor" and keep it in 
>     dcmi_graph_entity struct, move asd as first member
>     of struct as per Sakari' suggestion:
>     https://www.spinics.net/lists/linux-media/msg153119.html
>   - Drop dcmi_graph_deinit() as per Sakari' suggestion:
>     https://www.spinics.net/lists/linux-media/msg153417.html
> 
> version 2:
>   - Fix bus_info not consistent between media and V4L:
>     https://www.spinics.net/lists/arm-kernel/msg717676.html
>   - Propagation of format set on video node to the sub-devices
>     chain connected on camera interface
> 
> version 1:
>   - Initial submission
> 
> Hugues Fruchet (3):
>   media: stm32-dcmi: improve sensor subdev naming
>   media: stm32-dcmi: add media controller support
>   media: stm32-dcmi: add support of several sub-devices
> 
>  drivers/media/platform/Kconfig            |   2 +-
>  drivers/media/platform/stm32/stm32-dcmi.c | 283 +++++++++++++++++++++++++-----
>  2 files changed, 236 insertions(+), 49 deletions(-)
> 




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