回复: [PATCH v5 10/14] staging: media: starfive: Add V4L2_CAP_IO_MC capability

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Hi Jacopo

Thanks for your comments.

> 
> Hi Changhuang
> 
> On Tue, Jul 09, 2024 at 01:38:20AM GMT, Changhuang Liang wrote:
> > Add V4L2_CAP_IO_MC capabality for video device. User space can
> > enumerate formats by mbus code.
> >
> > Signed-off-by: Changhuang Liang <changhuang.liang@xxxxxxxxxxxxxxxx>
> > ---
> >  drivers/staging/media/starfive/camss/stf-video.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/staging/media/starfive/camss/stf-video.c
> > b/drivers/staging/media/starfive/camss/stf-video.c
> > index 2203605ec9c7..8c6c45d8b7a1 100644
> > --- a/drivers/staging/media/starfive/camss/stf-video.c
> > +++ b/drivers/staging/media/starfive/camss/stf-video.c
> > @@ -668,7 +668,7 @@ int stf_video_register(struct stfcamss_video *video,
> >  	}
> >
> >  	vdev->fops = &stf_vid_fops;
> > -	vdev->device_caps |= V4L2_CAP_STREAMING;
> > +	vdev->device_caps |= V4L2_CAP_STREAMING | V4L2_CAP_IO_MC;
> 
> Does this set the flag for the stat node as well ? Not that it hurts but filtering
> on mbus code where only METADATA_FIXED is allowed doesn't make much
> sense ?
> 
> Same for the parameters node
> 

Yes, I will drop this flag from stat node and parameters node.

> >  	vdev->entity.ops = &stf_media_ops;
> >  	vdev->vfl_dir = VFL_DIR_RX;
> >  	vdev->release = stf_video_release;
> > --

Regards,
Changhuang




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