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

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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

>  	vdev->entity.ops = &stf_media_ops;
>  	vdev->vfl_dir = VFL_DIR_RX;
>  	vdev->release = stf_video_release;
> --
> 2.25.1
>
>




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