linux-kernel - Re: [PATCH 2/2] media: i2c: imx415: Use v4l2_subdev_get

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Message-ID: <224f2a1b-f06b-73c2-364b-4b72cc26b2d8@wolfvision.net>
Date:   Wed, 30 Aug 2023 08:54:19 +0200
From:   Michael Riesch <michael.riesch@...fvision.net>
To:     Umang Jain <umang.jain@...asonboard.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Ricardo Ribalda <ribalda@...nel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Kieran Bingham <kieran.bingham@...asonboard.com>,
        Gerald Loacker <Gerald.Loacker@...fvision.net>
Subject: Re: [PATCH 2/2] media: i2c: imx415: Use v4l2_subdev_get_fmt()

Hi Umang,

On 8/30/23 06:53, Umang Jain wrote:
> The imx415 driver uses the subdev active state, there's
> no need to implement the .get_fmt() operation manually. Use
> the v4l2_subdev_get_fmt() helper instead.
> 
> Signed-off-by: Umang Jain <umang.jain@...asonboard.com>

Thanks for the patch, we'll try to give it a test. Due to time
constraints this might take a bit, though :-/

Cc: Gerald

That said, without having it tested the patch LGTM:

Reviewed-by: Michael Riesch <michael.riesch@...fvision.net>

Best regards,
Michael

> ---
>  drivers/media/i2c/imx415.c | 11 +----------
>  1 file changed, 1 insertion(+), 10 deletions(-)
> 
> diff --git a/drivers/media/i2c/imx415.c b/drivers/media/i2c/imx415.c
> index 3f00172df3cc..9a7ac81edc28 100644
> --- a/drivers/media/i2c/imx415.c
> +++ b/drivers/media/i2c/imx415.c
> @@ -842,15 +842,6 @@ static int imx415_enum_frame_size(struct v4l2_subdev *sd,
>  	return 0;
>  }
>  
> -static int imx415_get_format(struct v4l2_subdev *sd,
> -			     struct v4l2_subdev_state *state,
> -			     struct v4l2_subdev_format *fmt)
> -{
> -	fmt->format = *v4l2_subdev_get_pad_format(sd, state, fmt->pad);
> -
> -	return 0;
> -}
> -
>  static int imx415_set_format(struct v4l2_subdev *sd,
>  			     struct v4l2_subdev_state *state,
>  			     struct v4l2_subdev_format *fmt)
> @@ -913,7 +904,7 @@ static const struct v4l2_subdev_video_ops imx415_subdev_video_ops = {
>  static const struct v4l2_subdev_pad_ops imx415_subdev_pad_ops = {
>  	.enum_mbus_code = imx415_enum_mbus_code,
>  	.enum_frame_size = imx415_enum_frame_size,
> -	.get_fmt = imx415_get_format,
> +	.get_fmt = v4l2_subdev_get_fmt,
>  	.set_fmt = imx415_set_format,
>  	.get_selection = imx415_get_selection,
>  	.init_cfg = imx415_init_cfg,