linux-kernel - [PATCH] media: i2c: imx412: Extend the power-on waiting time

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Message-Id: <20251222-imx412-v1-1-51c7e724b376@oss.qualcomm.com>
Date: Mon, 22 Dec 2025 17:04:07 +0800
From: Wenmeng Liu <wenmeng.liu@....qualcomm.com>
To: Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Wenmeng Liu <quic_wenmliu@...cinc.com>,
        Wenmeng Liu <wenmeng.liu@....qualcomm.com>,
        Wenmeng <wenmeng.liu@....qualcomm.com>
Subject: [PATCH] media: i2c: imx412: Extend the power-on waiting time

From: Wenmeng Liu <quic_wenmliu@...cinc.com>

The Arducam IMX577 module requires a longer reset time than the 1000µs
configured in the current driver. Increase the wait time after power-on
to ensure proper initialization.

Signed-off-by: Wenmeng Liu <wenmeng.liu@....qualcomm.com>
---
Signed-off-by: Wenmeng <wenmeng.liu@....qualcomm.com>
---
 drivers/media/i2c/imx412.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/i2c/imx412.c b/drivers/media/i2c/imx412.c
index b3826f80354703b17b416dc233854da3f5736e38..e444c48c11b171b421c535beb23211bf0b600d3a 100644
--- a/drivers/media/i2c/imx412.c
+++ b/drivers/media/i2c/imx412.c
@@ -1037,7 +1037,7 @@ static int imx412_power_on(struct device *dev)
 		goto error_reset;
 	}
 
-	usleep_range(1000, 1200);
+	usleep_range(10000, 12000);
 
 	return 0;
 

---
base-commit: cc3aa43b44bdb43dfbac0fcb51c56594a11338a8
change-id: 20251222-imx412-1b02ec8bd2b5

Best regards,
-- 
Wenmeng <wenmeng.liu@....qualcomm.com>