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

   1 From e5104bc345222b6032af61c79f140f663e07207e Mon Sep 17 00:00:00 2001
   2 From: Lee Jackson <lee.jackson@arducam.com>
   3 Date: Wed, 10 Jan 2024 09:06:16 +0800
   4 Subject: [PATCH 0823/1085] drivers: media: arducam_64mp: Add
   5  V4L2_CID_LINK_FREQ control
   6
   7 Add V4L2_CID_LINK_FREQ as a read-only control with a value of 456 Mhz.
   8 This will be used by the CFE driver to corretly setup the DPHY timing
   9 parameters in the CSI-2 block.
  10
  11 Signed-off-by: Lee Jackson <lee.jackson@arducam.com>
  12 ---
  13  drivers/media/i2c/arducam_64mp.c | 16 ++++++++++++++++
  14  1 file changed, 16 insertions(+)
  15
  16 --- a/drivers/media/i2c/arducam_64mp.c
  17 +++ b/drivers/media/i2c/arducam_64mp.c
  18 @@ -143,6 +143,10 @@ struct arducam_64mp_mode {
  19         struct arducam_64mp_reg_list reg_list;
  20  };
  21
  22 +static const s64 arducam_64mp_link_freq_menu[] = {
  23 +       ARDUCAM_64MP_DEFAULT_LINK_FREQ,
  24 +};
  25 +
  26  static const struct arducam_64mp_reg mode_common_regs[] = {
  27         {0x0100, 0x00},
  28         {0x0136, 0x18},
  29 @@ -2272,9 +2276,11 @@ static int arducam_64mp_init_controls(st
  30         struct v4l2_ctrl_handler *ctrl_hdlr;
  31         struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd);
  32         struct v4l2_fwnode_device_properties props;
  33 +       struct v4l2_ctrl *link_freq;
  34         unsigned int i;
  35         int ret;
  36         u8 test_pattern_max;
  37 +       u8 link_freq_max;
  38
  39         ctrl_hdlr = &arducam_64mp->ctrl_handler;
  40         ret = v4l2_ctrl_handler_init(ctrl_hdlr, 16);
  41 @@ -2292,6 +2298,16 @@ static int arducam_64mp_init_controls(st
  42                                                      ARDUCAM_64MP_PIXEL_RATE, 1,
  43                                                      ARDUCAM_64MP_PIXEL_RATE);
  44
  45 +       /* LINK_FREQ is also read only */
  46 +       link_freq_max = ARRAY_SIZE(arducam_64mp_link_freq_menu) - 1;
  47 +       link_freq =
  48 +               v4l2_ctrl_new_int_menu(ctrl_hdlr, &arducam_64mp_ctrl_ops,
  49 +                                      V4L2_CID_LINK_FREQ,
  50 +                                      link_freq_max, 0,
  51 +                                      arducam_64mp_link_freq_menu);
  52 +       if (link_freq)
  53 +               link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
  54 +
  55         /*
  56          * Create the controls here, but mode specific limits are setup
  57          * in the arducam_64mp_set_framing_limits() call below.