target/linux/bcm27xx/patches-6.1/950-1237-drivers-media-imx519-Add-V4L2_CID_LINK_FREQ-control.patch

   1 From 55ed8cded4af6530276b26f567601bed868ae8f5 Mon Sep 17 00:00:00 2001
   2 From: Lee Jackson <lee.jackson@arducam.com>
   3 Date: Wed, 10 Jan 2024 08:52:54 +0800
   4 Subject: [PATCH] drivers: media: imx519: Add V4L2_CID_LINK_FREQ control
   5
   6 Add V4L2_CID_LINK_FREQ as a read-only control with a value of 408 Mhz.
   7 This will be used by the CFE driver to corretly setup the DPHY timing
   8 parameters in the CSI-2 block.
   9
  10 Signed-off-by: Lee Jackson <lee.jackson@arducam.com>
  11 ---
  12  drivers/media/i2c/imx519.c | 14 ++++++++++++++
  13  1 file changed, 14 insertions(+)
  14
  15 --- a/drivers/media/i2c/imx519.c
  16 +++ b/drivers/media/i2c/imx519.c
  17 @@ -145,6 +145,10 @@ struct imx519_mode {
  18         struct imx519_reg_list reg_list;
  19  };
  20
  21 +static const s64 imx519_link_freq_menu[] = {
  22 +       IMX519_DEFAULT_LINK_FREQ,
  23 +};
  24 +
  25  static const struct imx519_reg mode_common_regs[] = {
  26         {0x0100, 0x00},
  27         {0x0136, 0x18},
  28 @@ -1819,6 +1823,7 @@ static int imx519_init_controls(struct i
  29         struct v4l2_ctrl_handler *ctrl_hdlr;
  30         struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd);
  31         struct v4l2_fwnode_device_properties props;
  32 +       struct v4l2_ctrl *link_freq;
  33         unsigned int i;
  34         int ret;
  35
  36 @@ -1837,6 +1842,15 @@ static int imx519_init_controls(struct i
  37                                                IMX519_PIXEL_RATE, 1,
  38                                                IMX519_PIXEL_RATE);
  39
  40 +       /* LINK_FREQ is also read only */
  41 +       link_freq =
  42 +               v4l2_ctrl_new_int_menu(ctrl_hdlr, &imx519_ctrl_ops,
  43 +                                      V4L2_CID_LINK_FREQ,
  44 +                                      ARRAY_SIZE(imx519_link_freq_menu) - 1, 0,
  45 +                                      imx519_link_freq_menu);
  46 +       if (link_freq)
  47 +               link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
  48 +
  49         /*
  50          * Create the controls here, but mode specific limits are setup
  51          * in the imx519_set_framing_limits() call below.