Re: [PATCH 18/21] media: ov5640: Add RGB565_1X16 format

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Hi Jacopo,

Thank you for the patch.

On Mon, Jan 31, 2022 at 03:45:28PM +0100, Jacopo Mondi wrote:
> The driver already supports the 2X8_[LE|BE] variants of RGB565
> formats.
> 
> As for CSI-2 the 2X8 variants do not apply, add RGB565_1X16 variant
> with little-endian ordering of components as required by the CSI-2
> specifications.
> 
> Signed-off-by: Jacopo Mondi <jacopo@xxxxxxxxxx>
> ---
>  drivers/media/i2c/ov5640.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
> index 9d6eb3288b07..db77cdb8a958 100644
> --- a/drivers/media/i2c/ov5640.c
> +++ b/drivers/media/i2c/ov5640.c
> @@ -197,6 +197,7 @@ static const struct ov5640_pixfmt {
>  	{ MEDIA_BUS_FMT_YUYV8_1X16, V4L2_COLORSPACE_SRGB, 16,},
>  	{ MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB, 16},
>  	{ MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB, 16},
> +	{ MEDIA_BUS_FMT_RGB565_1X16, V4L2_COLORSPACE_SRGB, 16},

Should/could we limit this format to CSI-2 mode ?

>  	{ MEDIA_BUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB, 8},
>  	{ MEDIA_BUS_FMT_SGBRG8_1X8, V4L2_COLORSPACE_SRGB, 8},
>  	{ MEDIA_BUS_FMT_SGRBG8_1X8, V4L2_COLORSPACE_SRGB, 8},
> @@ -2746,6 +2747,7 @@ static int ov5640_set_framefmt(struct ov5640_dev *sensor,
>  		mux = OV5640_FMT_MUX_YUV422;
>  		break;
>  	case MEDIA_BUS_FMT_RGB565_2X8_LE:
> +	case MEDIA_BUS_FMT_RGB565_1X16:
>  		/* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */
>  		fmt = 0x6F;
>  		mux = OV5640_FMT_MUX_RGB;

-- 
Regards,

Laurent Pinchart



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