30 lines
1014 B
Diff
30 lines
1014 B
Diff
From 52b4575d5899586ee1b1eaa88a583afdb4daefe6 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Ond=C5=99ej=20Jirman?= <megi@xff.cz>
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Date: Sun, 26 Jan 2020 00:19:40 +0100
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Subject: [PATCH 042/464] media: ov5640: Sleep after poweroff to ensure next
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poweron is not too early
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It's easy to use v4l2 userspace api in such a way that user can trigger
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a brownout on the sensor instead of a proper powerdown and powerup.
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Signed-off-by: Ondrej Jirman <megi@xff.cz>
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---
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drivers/media/i2c/ov5640.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
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index 0ab2644bb91b..3d2f2f65d5cf 100644
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--- a/drivers/media/i2c/ov5640.c
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+++ b/drivers/media/i2c/ov5640.c
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@@ -2538,6 +2538,7 @@ static void ov5640_set_power_off(struct ov5640_dev *sensor)
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ov5640_power(sensor, false);
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regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies);
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clk_disable_unprepare(sensor->xclk);
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+ msleep(100);
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}
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static int ov5640_set_power_mipi(struct ov5640_dev *sensor, bool on)
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--
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2.34.1
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