Re: [RESEND PATCH v4 03/21] staging: media: tegra-video: fix .vidioc_enum_fmt_vid_cap to return all formats

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Hi Luca,

On Tue, Apr 04, 2023 at 04:12:51PM +0200, Luca Ceresoli wrote:
> On Wed, 29 Mar 2023 13:16:22 +0200 Hans Verkuil wrote:
> 
> > Hi Luca,
> > 
> > I finally found the time to test this series. It looks OK, except for this patch.
> 
> Thank you very much for taking the time!
> 
> > The list of supported formats really has to be the intersection of what the tegra
> > supports and what the sensor supports.
> > 
> > Otherwise you would advertise pixelformats that cannot be used, and the application
> > would have no way of knowing that.
> 
> As far as I understand, I think we should rather make this driver fully
> behave as an MC-centric device. It is already using MC quite
> successfully after all.
> 
> Do you think this is correct?

Given the use cases for this driver, I agree.

> If you do, then I think the plan would be:
> 
>  - Add the V4L2_CAP_IO_MC flag
>  - As the mbus_code in get_format appropriately
>  - Leave the changes in this patch unmodified otherwise

-- 
Regards,

Laurent Pinchart



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