target/linux/bcm27xx/patches-5.15/950-0825-media-i2c-imx258-Set-pixel_rate-range-to-the-same-as.patch

   1 From 3d314e1c554ea4cc64dcdd5e227767a518b7dcb2 Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Fri, 1 Apr 2022 18:54:12 +0100
   4 Subject: [PATCH] media: i2c: imx258: Set pixel_rate range to the same
   5  as the value
   6
   7 With a read only control there is limited point in advertising
   8 a minimum and maximum for the control, so change to set the
   9 value, min, and max all to the selected pixel rate.
  10
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  12 ---
  13  drivers/media/i2c/imx258.c | 18 +++++++-----------
  14  1 file changed, 7 insertions(+), 11 deletions(-)
  15
  16 --- a/drivers/media/i2c/imx258.c
  17 +++ b/drivers/media/i2c/imx258.c
  18 @@ -1237,7 +1237,8 @@ static int imx258_set_pad_format(struct
  19
  20                 link_freq = imx258->link_freq_menu_items[mode->link_freq_index];
  21                 pixel_rate = link_freq_to_pixel_rate(link_freq, imx258->nlanes);
  22 -               __v4l2_ctrl_s_ctrl_int64(imx258->pixel_rate, pixel_rate);
  23 +               __v4l2_ctrl_modify_range(imx258->pixel_rate, pixel_rate,
  24 +                                        pixel_rate, 1, pixel_rate);
  25                 /* Update limits and set FPS to default */
  26                 vblank_def = imx258->cur_mode->vts_def -
  27                              imx258->cur_mode->height;
  28 @@ -1546,8 +1547,7 @@ static int imx258_init_controls(struct i
  29         struct v4l2_ctrl_handler *ctrl_hdlr;
  30         s64 vblank_def;
  31         s64 vblank_min;
  32 -       s64 pixel_rate_min;
  33 -       s64 pixel_rate_max;
  34 +       s64 pixel_rate;
  35         int ret;
  36
  37         ctrl_hdlr = &imx258->ctrl_handler;
  38 @@ -1567,17 +1567,13 @@ static int imx258_init_controls(struct i
  39         if (imx258->link_freq)
  40                 imx258->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
  41
  42 -       pixel_rate_max =
  43 -               link_freq_to_pixel_rate(imx258->link_freq_menu_items[0],
  44 -                                       imx258->nlanes);
  45 -       pixel_rate_min =
  46 -               link_freq_to_pixel_rate(imx258->link_freq_menu_items[1],
  47 -                                       imx258->nlanes);
  48 +       pixel_rate = link_freq_to_pixel_rate(imx258->link_freq_menu_items[0],
  49 +                                            imx258->nlanes);
  50         /* By default, PIXEL_RATE is read only */
  51         imx258->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops,
  52                                 V4L2_CID_PIXEL_RATE,
  53 -                               pixel_rate_min, pixel_rate_max,
  54 -                               1, pixel_rate_max);
  55 +                               pixel_rate, pixel_rate,
  56 +                               1, pixel_rate);
  57
  58
  59         vblank_def = imx258->cur_mode->vts_def - imx258->cur_mode->height;