linux-kernel - [PATCH v7 2/5] media: i2c: imx334: replace __v4l2_ctrl_s_ctrl to __v4l2_ctrl_modify

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Message-ID: <20221219061526.3169369-3-shravan.chippa@microchip.com>
Date:   Mon, 19 Dec 2022 11:45:23 +0530
From:   shravan kumar <shravan.chippa@...rochip.com>
To:     <paul.j.murphy@...el.com>, <daniele.alessandrelli@...el.com>,
        <mchehab@...nel.org>
CC:     <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "shravan kumar" <shravan.chippa@...rochip.com>,
        Jacopo Mondi <jacopo@...ndi.org>
Subject: [PATCH v7 2/5] media: i2c: imx334: replace __v4l2_ctrl_s_ctrl to __v4l2_ctrl_modify_range

From: Shravan Chippa <shravan.chippa@...rochip.com>

For evry mode we will get new set of values for hbalnk so use
__v4l2_ctrl_modify_range() to support multi modes for hblank.

The hblank value is readonly in the driver. because of this the function
returns error if we try to change. so added dumy return case in
imx334_set_ctrl function

Suggested-by: Jacopo Mondi <jacopo@...ndi.org>
Signed-off-by: Shravan Chippa <shravan.chippa@...rochip.com>
---
 drivers/media/i2c/imx334.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/imx334.c b/drivers/media/i2c/imx334.c
index acc9f9f15e47..a742b60ea3b0 100644
--- a/drivers/media/i2c/imx334.c
+++ b/drivers/media/i2c/imx334.c
@@ -382,7 +382,8 @@ static int imx334_update_controls(struct imx334 *imx334,
 	if (ret)
 		return ret;
 
-	ret = __v4l2_ctrl_s_ctrl(imx334->hblank_ctrl, mode->hblank);
+	ret = __v4l2_ctrl_modify_range(imx334->hblank_ctrl, mode->hblank,
+				       mode->hblank, 1, mode->hblank);
 	if (ret)
 		return ret;
 
@@ -480,6 +481,9 @@ static int imx334_set_ctrl(struct v4l2_ctrl *ctrl)
 
 		pm_runtime_put(imx334->dev);
 
+		break;
+	case V4L2_CID_HBLANK:
+		ret = 0;
 		break;
 	default:
 		dev_err(imx334->dev, "Invalid control %d", ctrl->id);
-- 
2.34.1