From 8649c6af904ecf4098b858e6d622b5cee6ffd1cf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Jirman?= <megi@xff.cz>
Date: Sun, 26 Jan 2020 00:19:40 +0100
Subject: media: ov5640: Sleep after poweroff to ensure next poweron is not too
 early

It's easy to use v4l2 userspace api in such a way that user can trigger
a brownout on the sensor instead of a proper powerdown and powerup.

Signed-off-by: Ondrej Jirman <megi@xff.cz>
---
 drivers/media/i2c/ov5640.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
index e408946782c6..78a24f58888c 100644
--- a/drivers/media/i2c/ov5640.c
+++ b/drivers/media/i2c/ov5640.c
@@ -2535,6 +2535,7 @@ static void ov5640_set_power_off(struct ov5640_dev *sensor)
 	ov5640_power(sensor, false);
 	regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies);
 	clk_disable_unprepare(sensor->xclk);
+	msleep(100);
 }
 
 static int ov5640_set_power_mipi(struct ov5640_dev *sensor, bool on)
-- 
2.35.3

