Re: [PATCH 1/2] media: i2c: imx214: Use v4l2_subdev_get_fmt()

From: Laurent Pinchart
Date: Wed Aug 30 2023 - 14:32:28 EST


On Wed, Aug 30, 2023 at 10:23:22AM +0530, Umang Jain wrote:
> The imx214 driver uses the subdev active state, there's no

Does it ? I don't see a call to v4l2_subdev_init_finalize(), and the
imx214 struct has fmt and crop fields in which it stores the active
format.

> need to implement the .get_fmt() operation manually. Use the
> v4l2_subdev_get_fmt() helper instead.
>
> Signed-off-by: Umang Jain <umang.jain@xxxxxxxxxxxxxxxx>
> ---
> drivers/media/i2c/imx214.c | 17 +----------------
> 1 file changed, 1 insertion(+), 16 deletions(-)
>
> diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
> index 2f9c8582f940..d8bdc52f552a 100644
> --- a/drivers/media/i2c/imx214.c
> +++ b/drivers/media/i2c/imx214.c
> @@ -548,21 +548,6 @@ __imx214_get_pad_format(struct imx214 *imx214,
> }
> }
>
> -static int imx214_get_format(struct v4l2_subdev *sd,
> - struct v4l2_subdev_state *sd_state,
> - struct v4l2_subdev_format *format)
> -{
> - struct imx214 *imx214 = to_imx214(sd);
> -
> - mutex_lock(&imx214->mutex);
> - format->format = *__imx214_get_pad_format(imx214, sd_state,
> - format->pad,
> - format->which);
> - mutex_unlock(&imx214->mutex);
> -
> - return 0;
> -}
> -
> static struct v4l2_rect *
> __imx214_get_pad_crop(struct imx214 *imx214,
> struct v4l2_subdev_state *sd_state,
> @@ -842,7 +827,7 @@ static const struct v4l2_subdev_pad_ops imx214_subdev_pad_ops = {
> .enum_mbus_code = imx214_enum_mbus_code,
> .enum_frame_size = imx214_enum_frame_size,
> .enum_frame_interval = imx214_enum_frame_interval,
> - .get_fmt = imx214_get_format,
> + .get_fmt = v4l2_subdev_get_fmt,
> .set_fmt = imx214_set_format,
> .get_selection = imx214_get_selection,
> .init_cfg = imx214_entity_init_cfg,

--
Regards,

Laurent Pinchart