git.ipfire.org Git - thirdparty/openwrt.git/blob

   1 From d2a776c4d38ccf0435083a90f51ed8886dd7aac9 Mon Sep 17 00:00:00 2001
   2 From: David Plowman <david.plowman@raspberrypi.com>
   3 Date: Tue, 25 Jan 2022 15:48:53 +0000
   4 Subject: [PATCH] media: i2c: imx219: Correct the minimum vblanking value
   5
   6 The datasheet for this sensor documents the minimum vblanking as being
   7 32 lines. It does fix some problems with occasional black lines at the
   8 bottom of images (tested on Raspberry Pi).
   9
  10 Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
  11 ---
  12  drivers/media/i2c/imx219.c | 2 +-
  13  1 file changed, 1 insertion(+), 1 deletion(-)
  14
  15 --- a/drivers/media/i2c/imx219.c
  16 +++ b/drivers/media/i2c/imx219.c
  17 @@ -74,7 +74,7 @@
  18  #define IMX219_REG_VTS                 CCI_REG16(0x0160)
  19  #define IMX219_VTS_MAX                 0xffff
  20
  21 -#define IMX219_VBLANK_MIN              4
  22 +#define IMX219_VBLANK_MIN              32
  23
  24  /* HBLANK control - read only */
  25  #define IMX219_PPL_DEFAULT             3448