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[v3,1/3] media: i2c: imx219: Correct the minimum vblanking value

Message ID 20241125-imx219_fixes-v3-1-434fc0b541c8@ideasonboard.com
State New
Headers show
Series media: i2c: imx219: Fixes for blanking and pixel rate | expand

Commit Message

Jai Luthra Nov. 25, 2024, 3:06 p.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 e78a80b2bb2e455c857390b188c128b28c224778..f98aad74fe584a18e2fe7126f92bf294762a54e3 100644
--- a/drivers/media/i2c/imx219.c
+++ b/drivers/media/i2c/imx219.c
@@ -74,7 +74,7 @@ 
 #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