From 64ad2497e626c48689cca6507352c4ab11cc154d Mon Sep 17 00:00:00 2001 From: Wenmeng Liu Date: Fri, 23 Jan 2026 17:19:56 +0800 Subject: [PATCH] media: i2c: imx412: Extend the power-on waiting time MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/imx412.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/media/i2c/imx412.c b/drivers/media/i2c/imx412.c index aa63dfc34918..e25e0a9ff65c 100644 --- a/drivers/media/i2c/imx412.c +++ b/drivers/media/i2c/imx412.c @@ -1037,7 +1037,11 @@ static int imx412_power_on(struct device *dev) goto error_reset; } - usleep_range(1000, 1200); + /* + * Certain Arducam IMX577 module variants require a longer reset settle + * time. Increasing the delay from 1ms to 10ms ensures reliable startup. + */ + usleep_range(10000, 12000); return 0;