From: David Plowman david.plowman@raspberrypi.com
[ Upstream commit e3b82d49bf676f3c873e642038765eac32ab6d39 ]
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 Signed-off-by: Sakari Ailus sakari.ailus@linux.intel.com Signed-off-by: Hans Verkuil hverkuil@xs4all.nl Signed-off-by: Sasha Levin sashal@kernel.org --- 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 64227eb423d43..dd5a8577d7479 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