target/linux/bcm27xx/patches-6.1/950-0596-media-i2c-imx296-Disable-binning-for-colour-variant.patch

   1 From 6e52a6d45d5296b5396b0b8ad27bbe6dfc3db235 Mon Sep 17 00:00:00 2001
   2 From: Naushir Patuck <naush@raspberrypi.com>
   3 Date: Tue, 14 Mar 2023 12:55:14 +0000
   4 Subject: [PATCH] media: i2c: imx296: Disable binning for colour
   5  variant
   6
   7 Binning is only supported on the mono variant of the IMX296 sensor.
   8 Disable reporting of the binning mode for the colour variant.
   9
  10 Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
  11 ---
  12  drivers/media/i2c/imx296.c | 5 ++++-
  13  1 file changed, 4 insertions(+), 1 deletion(-)
  14
  15 --- a/drivers/media/i2c/imx296.c
  16 +++ b/drivers/media/i2c/imx296.c
  17 @@ -674,11 +674,14 @@ static int imx296_enum_frame_size(struct
  18                                   struct v4l2_subdev_state *state,
  19                                   struct v4l2_subdev_frame_size_enum *fse)
  20  {
  21 +       const struct imx296 *sensor = to_imx296(sd);
  22         const struct v4l2_mbus_framefmt *format;
  23 +       /* Binning only works on the mono sensor variant */
  24 +       unsigned int max_index = sensor->mono ? 2 : 1;
  25
  26         format = v4l2_subdev_get_pad_format(sd, state, fse->pad);
  27
  28 -       if (fse->index >= 2 || fse->code != format->code)
  29 +       if (fse->index >= max_index || fse->code != format->code)
  30                 return -EINVAL;
  31
  32         fse->min_width = IMX296_PIXEL_ARRAY_WIDTH / (fse->index + 1);