From 28a0dfee1cbc1b73bbf27b4da7f02f1a9dcf4fed Mon Sep 17 00:00:00 2001
From: Zefa Chen <zefa.chen@rock-chips.com>
Date: Sat, 25 Nov 2023 18:12:53 +0800
Subject: [PATCH] media: i2c: imx464 fixes exposure error of short frame

Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: I73143f8dfb665d802c4d7ad911b6a1a50f4f612e
---
 drivers/media/i2c/imx464.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/i2c/imx464.c b/drivers/media/i2c/imx464.c
index 10674eace047..142550afc0fa 100644
--- a/drivers/media/i2c/imx464.c
+++ b/drivers/media/i2c/imx464.c
@@ -1854,7 +1854,7 @@ static int IMX464_set_hdrae(struct IMX464 *IMX464,
 		__LINE__, rhs1, s_exp_time, rhs1_old,
 		(rhs1_old + 2 * BRL - fsc + 2));
 
-	rhs1 = (rhs1 >> 2) * 4 + 1;
+	rhs1 = ((rhs1 + 3) >> 2) * 4 + 1;
 	rhs1_old = rhs1;
 
 	if (rhs1 - s_exp_time <= SHR1_MIN) {