Re: [PATCH v1 4/9] staging: media: starfive: camss: Replace format index with pad

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Hi Changhuang,

Thank you for the patch.

On Wed, Dec 13, 2023 at 10:50:22PM -0800, Changhuang Liang wrote:
> Replace format index with pad.

The code change looks good I think, but the commit message needs to
explain *why* you're changing this.

> Signed-off-by: Changhuang Liang <changhuang.liang@xxxxxxxxxxxxxxxx>
> ---
>  drivers/staging/media/starfive/camss/stf-isp.c | 11 ++---------
>  1 file changed, 2 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/staging/media/starfive/camss/stf-isp.c b/drivers/staging/media/starfive/camss/stf-isp.c
> index ac83f23842df..c3ae02cf6dd8 100644
> --- a/drivers/staging/media/starfive/camss/stf-isp.c
> +++ b/drivers/staging/media/starfive/camss/stf-isp.c
> @@ -11,9 +11,6 @@
>  
>  #include "stf-camss.h"
>  
> -#define SINK_FORMATS_INDEX	0
> -#define SOURCE_FORMATS_INDEX	1
> -
>  static int isp_set_selection(struct v4l2_subdev *sd,
>  			     struct v4l2_subdev_state *state,
>  			     struct v4l2_subdev_selection *sel);
> @@ -95,11 +92,7 @@ static void isp_try_format(struct stf_isp_dev *isp_dev,
>  		return;
>  	}
>  
> -	if (pad == STF_ISP_PAD_SINK)
> -		formats = &isp_dev->formats[SINK_FORMATS_INDEX];
> -	else if (pad == STF_ISP_PAD_SRC)
> -		formats = &isp_dev->formats[SOURCE_FORMATS_INDEX];
> -
> +	formats = &isp_dev->formats[pad];
>  	fmt->width = clamp_t(u32, fmt->width, STFCAMSS_FRAME_MIN_WIDTH,
>  			     STFCAMSS_FRAME_MAX_WIDTH);
>  	fmt->height = clamp_t(u32, fmt->height, STFCAMSS_FRAME_MIN_HEIGHT,
> @@ -124,7 +117,7 @@ static int isp_enum_mbus_code(struct v4l2_subdev *sd,
>  		if (code->index >= ARRAY_SIZE(isp_formats_sink))
>  			return -EINVAL;
>  
> -		formats = &isp_dev->formats[SINK_FORMATS_INDEX];
> +		formats = &isp_dev->formats[code->pad];
>  		code->code = formats->fmts[code->index].code;
>  	} else {
>  		struct v4l2_mbus_framefmt *sink_fmt;

-- 
Regards,

Laurent Pinchart




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