linux-kernel - [PATCH v6 02/11] media: subdev: Use v4l2_subdev_has_op() in v4l2_subdev_enable/disable

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Message-Id: <20240424-enable-streams-impro-v6-2-5fb14c20147d@ideasonboard.com>
Date: Wed, 24 Apr 2024 18:39:05 +0300
From: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Hans Verkuil <hverkuil@...all.nl>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Sakari Ailus <sakari.ailus@...ux.intel.com>, 
 Umang Jain <umang.jain@...asonboard.com>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Subject: [PATCH v6 02/11] media: subdev: Use v4l2_subdev_has_op() in
 v4l2_subdev_enable/disable_streams()

Use v4l2_subdev_has_op() in v4l2_subdev_enable/disable_streams() instead
of open coding the same.

Reviewed-by: Umang Jain <umang.jain@...asonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Tested-by: Umang Jain <umang.jain@...asonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...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 b4f0b89412eb..2c5a9b0029dc 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -2168,7 +2168,7 @@ 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);
 
@@ -2285,7 +2285,7 @@ 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);
 

-- 
2.34.1