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Message-Id: <20241226-imx219_fixes-v4-1-dd28383f06f7@ideasonboard.com> Date: Thu, 26 Dec 2024 13:19:33 +0530 From: Jai Luthra <jai.luthra@...asonboard.com> To: Dave Stevenson <dave.stevenson@...pberrypi.com>, Sakari Ailus <sakari.ailus@...ux.intel.com>, Mauro Carvalho Chehab <mchehab@...nel.org> Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, Jacopo Mondi <jacopo.mondi@...asonboard.com>, Laurent Pinchart <laurent.pinchart@...asonboard.com>, Jai Luthra <jai.luthra@...asonboard.com>, David Plowman <david.plowman@...pberrypi.com> Subject: [PATCH v4 1/5] media: i2c: imx219: Correct the minimum vblanking value From: David Plowman <david.plowman@...pberrypi.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@...pberrypi.com> Reviewed-by: Jacopo Mondi <jacopo.mondi@...asonboard.com> Reviewed-by: Dave Stevenson <dave.stevenson@...pberrypi.com> Signed-off-by: Jai Luthra <jai.luthra@...asonboard.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 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 -- 2.47.1
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