Re: [PATCH 39/50] staging: media: imx: imx7-media-csi: Define macro for default mbus code

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Hello Laurent,

Am Dienstag, 10. Mai 2022, 13:58:48 CEST schrieb Laurent Pinchart:
> Define a macro for the default media bus code and use it through the
> driver to replace a hardcoded value and a dynamic query from the
> pixel_formats table.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
>  drivers/staging/media/imx/imx7-media-csi.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/media/imx/imx7-media-csi.c
> b/drivers/staging/media/imx/imx7-media-csi.c index
> bcf57aff3572..f2e85e9851e4 100644
> --- a/drivers/staging/media/imx/imx7-media-csi.c
> +++ b/drivers/staging/media/imx/imx7-media-csi.c
> @@ -167,6 +167,7 @@
>  #define IMX7_CSI_VIDEO_MEM_LIMIT	SZ_64M
>  #define IMX7_CSI_VIDEO_EOF_TIMEOUT	2000
> 
> +#define IMX7_CSI_DEF_MBUS_CODE		MEDIA_BUS_FMT_UYVY8_2X8
>  #define IMX7_CSI_DEF_PIX_WIDTH		640
>  #define IMX7_CSI_DEF_PIX_HEIGHT		480
> 
> @@ -1096,7 +1097,7 @@ static int imx7_csi_init_mbus_fmt(struct
> v4l2_mbus_framefmt *mbus, mbus->field = field;
> 
>  	if (code == 0)
> -		imx7_csi_enum_mbus_formats(&code, 0, 
IMX7_CSI_PIXFMT_SEL_YUV);
> +		code = IMX7_CSI_DEF_MBUS_CODE;
> 
>  	lcc = imx7_csi_find_mbus_format(code, IMX7_CSI_PIXFMT_SEL_ANY);
>  	if (!lcc)
> @@ -1629,7 +1630,7 @@ static int imx7_csi_video_init_format(struct imx7_csi
> *csi) .pad = IMX7_CSI_PAD_SRC,
>  		.which = V4L2_SUBDEV_FORMAT_ACTIVE,
>  	};
> -	fmt_src.format.code = MEDIA_BUS_FMT_UYVY8_2X8;
> +	fmt_src.format.code = IMX7_CSI_DEF_MBUS_CODE;
>  	fmt_src.format.width = IMX7_CSI_DEF_PIX_WIDTH;
>  	fmt_src.format.height = IMX7_CSI_DEF_PIX_HEIGHT;

This change assumes, like before, that MEDIA_BUS_FMT_UYVY8_2X8 is the 1st code 
in the 1st entry in pixel_formats. Maybe a comment is helpful to indicate 
that.

Regards,
Alexander





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