[PATCH v2 1/3] media: i2c: imx219: Correct the minimum vblanking value

Jai Luthra
2024-11-21T12:09:09Z

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(-)

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

--
2.47.0