30 lines
1014 B
Diff
30 lines
1014 B
Diff
|
From c28818ee4a2dba45971440375008de8ce3f7ec3e 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: [PATCH 041/469] 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 5a692c34423b..c3c7403e98be 100644
|
||
|
|
--- a/drivers/media/i2c/ov5640.c
|
||
|
|
+++ b/drivers/media/i2c/ov5640.c
|
||
|
|
@@ -2538,6 +2538,7 @@ 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)
|
||
|
|
--
|
||
|
|
2.34.1
|
||
|
|
|