linux-kernel - [PATCH 2/3] media: i2c: alvium: inline set_frame_interval into s_frame

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Message-Id: <20231215082452.1720481-3-tomm.merciai@gmail.com>
Date: Fri, 15 Dec 2023 09:24:51 +0100
From: Tommaso Merciai <tomm.merciai@...il.com>
To: 
Cc: linuxfancy@...glegroups.com,
	sakari.ailus@...ux.intel.com,
	laurent.pinchart@...asonboard.com,
	tomm.merciai@...il.com,
	Martin Hecht <martin.hecht@...et.eu>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] media: i2c: alvium: inline set_frame_interval into s_frame_interval

Inline alvium_s_frame_interval function into alvium_s_frame_interval.
This to clean the driver code.

Signed-off-by: Tommaso Merciai <tomm.merciai@...il.com>
---
 drivers/media/i2c/alvium-csi2.c | 56 ++++++++++++---------------------
 1 file changed, 20 insertions(+), 36 deletions(-)

diff --git a/drivers/media/i2c/alvium-csi2.c b/drivers/media/i2c/alvium-csi2.c
index c4b7851045a1..fde456357be1 100644
--- a/drivers/media/i2c/alvium-csi2.c
+++ b/drivers/media/i2c/alvium-csi2.c
@@ -1662,16 +1662,25 @@ static int alvium_g_frame_interval(struct v4l2_subdev *sd,
 	return 0;
 }
 
-static int alvium_set_frame_interval(struct alvium_dev *alvium,
-				     struct v4l2_subdev *sd,
-				     struct v4l2_subdev_state *sd_state,
-				     struct v4l2_subdev_frame_interval *fi,
-				     u64 *req_fr)
+static int alvium_s_frame_interval(struct v4l2_subdev *sd,
+				   struct v4l2_subdev_state *sd_state,
+				   struct v4l2_subdev_frame_interval *fi)
 {
+	struct alvium_dev *alvium = sd_to_alvium(sd);
 	struct device *dev = &alvium->i2c_client->dev;
-	u64 dft_fr, min_fr, max_fr;
+	u64 req_fr, dft_fr, min_fr, max_fr;
 	int ret;
 
+	/*
+	 * FIXME: Implement support for V4L2_SUBDEV_FORMAT_TRY, using the V4L2
+	 * subdev active state API.
+	 */
+	if (fi->which != V4L2_SUBDEV_FORMAT_ACTIVE)
+		return -EINVAL;
+
+	if (alvium->streaming)
+		return -EBUSY;
+
 	if (fi->interval.denominator == 0)
 		return -EINVAL;
 
@@ -1686,42 +1695,17 @@ static int alvium_set_frame_interval(struct alvium_dev *alvium,
 	dev_dbg(dev, "fi->interval.denominator = %d\n",
 		fi->interval.denominator);
 
-	*req_fr = (u64)((fi->interval.denominator * USEC_PER_SEC) /
+	req_fr = (u64)((fi->interval.denominator * USEC_PER_SEC) /
 		       fi->interval.numerator);
 
-	if (*req_fr >= max_fr && *req_fr <= min_fr)
-		*req_fr = dft_fr;
+	if (req_fr >= max_fr && req_fr <= min_fr)
+		req_fr = dft_fr;
 
-	alvium->fr = *req_fr;
+	alvium->fr = req_fr;
 	alvium->frame_interval.numerator = fi->interval.numerator;
 	alvium->frame_interval.denominator = fi->interval.denominator;
 
-	return 0;
-}
-
-static int alvium_s_frame_interval(struct v4l2_subdev *sd,
-				   struct v4l2_subdev_state *sd_state,
-				   struct v4l2_subdev_frame_interval *fi)
-{
-	struct alvium_dev *alvium = sd_to_alvium(sd);
-	u64 req_fr;
-	int ret;
-
-	/*
-	 * FIXME: Implement support for V4L2_SUBDEV_FORMAT_TRY, using the V4L2
-	 * subdev active state API.
-	 */
-	if (fi->which != V4L2_SUBDEV_FORMAT_ACTIVE)
-		return -EINVAL;
-
-	if (alvium->streaming)
-		return -EBUSY;
-
-	ret = alvium_set_frame_interval(alvium, sd, sd_state, fi, &req_fr);
-	if (!ret)
-		ret = alvium_set_frame_rate(alvium, req_fr);
-
-	return ret;
+	return alvium_set_frame_rate(alvium, req_fr);
 }
 
 static int alvium_enum_mbus_code(struct v4l2_subdev *sd,
-- 
2.34.1