linux-kernel - Re: [PATCH] media: adv7180: Fix media bus format

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Message-ID: <YfKhy62JGDx98JFg@pendragon.ideasonboard.com>
Date:   Thu, 27 Jan 2022 15:44:43 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Jean-Michel Hautbois <jeanmichel.hautbois@...asonboard.com>
Cc:     linux-media@...r.kernel.org, lars@...afoo.de, mchehab@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: adv7180: Fix media bus format

Hi Jean-Michel,

Thank you for the patch.

On Thu, Jan 27, 2022 at 11:09:47AM +0100, Jean-Michel Hautbois wrote:
> MEDIA_BUS_FMT_UYVY8_2X8 isn't correct for CSI-2. Use
> MEDIA_BUS_FMT_UYVY8_1X16 instead.

While that's right, I expect it will cause regressions. The driver
probably needs to support for media bus codes.

> Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@...asonboard.com>
> ---
>  drivers/media/i2c/adv7180.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c
> index d9a99fcfacb1..cbededfb6b3f 100644
> --- a/drivers/media/i2c/adv7180.c
> +++ b/drivers/media/i2c/adv7180.c
> @@ -655,7 +655,7 @@ static int adv7180_enum_mbus_code(struct v4l2_subdev *sd,
>  	if (code->index != 0)
>  		return -EINVAL;
>  
> -	code->code = MEDIA_BUS_FMT_UYVY8_2X8;
> +	code->code = MEDIA_BUS_FMT_UYVY8_1X16;
>  
>  	return 0;
>  }
> @@ -665,7 +665,7 @@ static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
>  {
>  	struct adv7180_state *state = to_state(sd);
>  
> -	fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
> +	fmt->code = MEDIA_BUS_FMT_UYVY8_1X16;
>  	fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
>  	fmt->width = 720;
>  	fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;

-- 
Regards,

Laurent Pinchart