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31 lines
1.2 KiB
Diff
31 lines
1.2 KiB
Diff
From 99586791c9dfd07f7fe864ea18f73b5c5ca31250 Mon Sep 17 00:00:00 2001
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From: Naushir Patuck <naush@raspberrypi.com>
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Date: Fri, 11 Jun 2021 12:47:07 +0100
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Subject: [PATCH 423/634] media: i2c: imx477: Fix for long exposure limit
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calculations
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Do not scale IMX477_EXPOSURE_OFFSET with the long exposure factor during
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the limit calculations. This allows larger exposure times, and does seem to be
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what the sensor is doing internally.
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Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
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---
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drivers/media/i2c/imx477.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/drivers/media/i2c/imx477.c b/drivers/media/i2c/imx477.c
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index 31e48512c165..07ccdf738883 100644
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--- a/drivers/media/i2c/imx477.c
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+++ b/drivers/media/i2c/imx477.c
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@@ -1282,7 +1282,7 @@ static void imx477_adjust_exposure_range(struct imx477 *imx477)
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/* Honour the VBLANK limits when setting exposure. */
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exposure_max = imx477->mode->height + imx477->vblank->val -
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- (IMX477_EXPOSURE_OFFSET << imx477->long_exp_shift);
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+ IMX477_EXPOSURE_OFFSET;
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exposure_def = min(exposure_max, imx477->exposure->val);
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__v4l2_ctrl_modify_range(imx477->exposure, imx477->exposure->minimum,
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exposure_max, imx477->exposure->step,
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--
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2.33.1
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