openwrt/target/linux/bcm27xx/patches-5.15/950-0668-media-i2c-imx219-Correct-the-minimum-vblanking-value.patch
Álvaro Fernández Rojas 20ea6adbf1 bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2022-05-17 15:11:22 +02:00

27 lines
849 B
Diff

From d78bdb0309f5ad3771dda28e0cc959bc929f4590 Mon Sep 17 00:00:00 2001
From: David Plowman <david.plowman@raspberrypi.com>
Date: Tue, 25 Jan 2022 15:48:53 +0000
Subject: [PATCH] media: i2c: imx219: Correct the minimum vblanking
value
The datasheet for this sensor documents the minimum vblanking as being
32 lines. It does fix some problems with occasional black lines at the
bottom of images (tested on Raspberry Pi).
Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
---
drivers/media/i2c/imx219.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/media/i2c/imx219.c
+++ b/drivers/media/i2c/imx219.c
@@ -55,7 +55,7 @@
#define IMX219_VTS_30FPS_640x480 0x06e3
#define IMX219_VTS_MAX 0xffff
-#define IMX219_VBLANK_MIN 4
+#define IMX219_VBLANK_MIN 32
/*Frame Length Line*/
#define IMX219_FLL_MIN 0x08a6