From 3d391292cdd53984ec1b9a1f6182a62a62751e03 Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Fri, 17 Jan 2025 16:04:02 +0200 Subject: [PATCH] media: i2c: ov7251: Introduce 1 ms delay between regulators and en GPIO Lift the xshutdown (enable) GPIO 1 ms after enabling the regulators, as required by the sensor's power-up sequence. Fixes: d30bb512da3d ("media: Add a driver for the ov7251 camera sensor") Cc: stable@vger.kernel.org Signed-off-by: Sakari Ailus Reviewed-by: Dave Stevenson Signed-off-by: Hans Verkuil --- drivers/media/i2c/ov7251.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/i2c/ov7251.c b/drivers/media/i2c/ov7251.c index f3e2d26bb8408..3226888d77e9c 100644 --- a/drivers/media/i2c/ov7251.c +++ b/drivers/media/i2c/ov7251.c @@ -922,6 +922,8 @@ static int ov7251_set_power_on(struct device *dev) return ret; } + usleep_range(1000, 1100); + gpiod_set_value_cansleep(ov7251->enable_gpio, 1); /* wait at least 65536 external clock cycles */ -- 2.50.1