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[v4,1/5] media: i2c: imx219: Correct the minimum vblanking value

Message ID 20241226-imx219_fixes-v4-1-dd28383f06f7@ideasonboard.com
State New
Headers show
Series [v4,1/5] media: i2c: imx219: Correct the minimum vblanking value | expand

Commit Message

Jai Luthra Dec. 26, 2024, 7:49 a.m. UTC 
From: David Plowman <david.plowman@raspberrypi.com>

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>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Jai Luthra <jai.luthra@ideasonboard.com>
---
 drivers/media/i2c/imx219.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c
index 2d54cea113e19f68e1553ffb2e4c78491dc80acf..0486bbc046cb9c36afd911eb799c1b010a01d496 100644
--- a/drivers/media/i2c/imx219.c
+++ b/drivers/media/i2c/imx219.c
@@ -73,7 +73,7 @@ 
 #define IMX219_REG_VTS			CCI_REG16(0x0160)
 #define IMX219_VTS_MAX			0xffff
 
-#define IMX219_VBLANK_MIN		4
+#define IMX219_VBLANK_MIN		32
 
 /* HBLANK control - read only */
 #define IMX219_PPL_DEFAULT		3448