linux-kernel - Re: [PATCH v3 2/9] media: subdev: Use v4l2_subdev_has_op() in v4l2_subdev_enable/disable

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Date: Thu, 11 Apr 2024 10:13:39 +0530
From: Umang Jain <umang.jain@...asonboard.com>
To: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
 Mauro Carvalho Chehab <mchehab@...nel.org>, Hans Verkuil
 <hverkuil@...all.nl>, Laurent Pinchart <laurent.pinchart@...asonboard.com>,
 Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/9] media: subdev: Use v4l2_subdev_has_op() in
 v4l2_subdev_enable/disable_streams()

Hi Tomi,

Thank you for the patch.

On 10/04/24 6:05 pm, Tomi Valkeinen wrote:
> Use v4l2_subdev_has_op() in v4l2_subdev_enable/disable_streams().
>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>

Reviewed-by: Umang Jain <umang.jain@...asonboard.com>

> ---
>   drivers/media/v4l2-core/v4l2-subdev.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
> index 13957543d153..4a531c2b16c4 100644
> --- a/drivers/media/v4l2-core/v4l2-subdev.c
> +++ b/drivers/media/v4l2-core/v4l2-subdev.c
> @@ -2133,7 +2133,7 @@ int v4l2_subdev_enable_streams(struct v4l2_subdev *sd, u32 pad,
>   		return 0;
>   
>   	/* Fallback on .s_stream() if .enable_streams() isn't available. */
> -	if (!sd->ops->pad || !sd->ops->pad->enable_streams)
> +	if (!v4l2_subdev_has_op(sd, pad, enable_streams))
>   		return v4l2_subdev_enable_streams_fallback(sd, pad,
>   							   streams_mask);
>   
> @@ -2250,7 +2250,7 @@ int v4l2_subdev_disable_streams(struct v4l2_subdev *sd, u32 pad,
>   		return 0;
>   
>   	/* Fallback on .s_stream() if .disable_streams() isn't available. */
> -	if (!sd->ops->pad || !sd->ops->pad->disable_streams)
> +	if (!v4l2_subdev_has_op(sd, pad, disable_streams))
>   		return v4l2_subdev_disable_streams_fallback(sd, pad,
>   							    streams_mask);
>   
>