target/linux/bcm27xx/patches-5.4/950-0828-media-i2c-imx290-Correct-range-for-V4L2_CID_GAIN-to-.patch

   1 From 6d659cddefb5f9f35160f4b7b8d5a77935480b2d Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Thu, 11 Jun 2020 13:41:43 +0100
   4 Subject: [PATCH] media: i2c: imx290: Correct range for V4L2_CID_GAIN
   5  to 0-238
   6
   7 The datasheet lists the gain as being 0.0 to 72.0dB in 0.3dB steps, which
   8 makes 238 steps total.
   9 Correct the 0-72 range defined in the driver.
  10
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  12 ---
  13  drivers/media/i2c/imx290.c | 2 +-
  14  1 file changed, 1 insertion(+), 1 deletion(-)
  15
  16 --- a/drivers/media/i2c/imx290.c
  17 +++ b/drivers/media/i2c/imx290.c
  18 @@ -1124,7 +1124,7 @@ static int imx290_probe(struct i2c_clien
  19         v4l2_ctrl_handler_init(&imx290->ctrls, 4);
  20
  21         v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops,
  22 -                         V4L2_CID_GAIN, 0, 72, 1, 0);
  23 +                         V4L2_CID_GAIN, 0, 238, 1, 0);
  24
  25         imx290->link_freq =
  26                 v4l2_ctrl_new_int_menu(&imx290->ctrls, &imx290_ctrl_ops,