git.openwrt.org Git - openwrt/staging/xback.git/blob

   1 From d28f7567b1043aec24558bd72dc10983db25f25c Mon Sep 17 00:00:00 2001
   2 From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
   3 Date: Mon, 16 Jan 2023 15:44:40 +0100
   4 Subject: [PATCH] media: i2c: imx290: Factor out control update code to
   5  a function
   6
   7 Upstream commit a7941da37c43
   8
   9 Move the control update code to a separate function to group it with all
  10 the control-related code and make imx290_set_fmt() more readable.
  11
  12 Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  13 Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
  14 Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
  15 Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
  16 ---
  17  drivers/media/i2c/imx290.c | 43 ++++++++++++++++++++------------------
  18  1 file changed, 23 insertions(+), 20 deletions(-)
  19
  20 --- a/drivers/media/i2c/imx290.c
  21 +++ b/drivers/media/i2c/imx290.c
  22 @@ -639,6 +639,28 @@ static const char * const imx290_test_pa
  23         "000/555h Toggle Pattern",
  24  };
  25
  26 +static void imx290_ctrl_update(struct imx290 *imx290,
  27 +                              const struct imx290_mode *mode)
  28 +{
  29 +       unsigned int hblank = mode->hmax - mode->width;
  30 +       unsigned int vblank = IMX290_VMAX_DEFAULT - mode->height;
  31 +
  32 +       /*
  33 +        * This function may be called from imx290_set_fmt() before controls
  34 +        * get created by imx290_ctrl_init(). Return immediately in that case.
  35 +        */
  36 +       if (!imx290->ctrls.lock)
  37 +               return;
  38 +
  39 +       __v4l2_ctrl_s_ctrl(imx290->link_freq,
  40 +                          imx290_get_link_freq_index(imx290));
  41 +       __v4l2_ctrl_s_ctrl_int64(imx290->pixel_rate,
  42 +                                imx290_calc_pixel_rate(imx290));
  43 +
  44 +       __v4l2_ctrl_modify_range(imx290->hblank, hblank, hblank, 1, hblank);
  45 +       __v4l2_ctrl_modify_range(imx290->vblank, vblank, vblank, 1, vblank);
  46 +}
  47 +
  48  static int imx290_ctrl_init(struct imx290 *imx290)
  49  {
  50         struct v4l2_fwnode_device_properties props;
  51 @@ -904,26 +926,7 @@ static int imx290_set_fmt(struct v4l2_su
  52                 imx290->current_mode = mode;
  53                 imx290->bpp = imx290_formats[i].bpp;
  54
  55 -               if (imx290->link_freq)
  56 -                       __v4l2_ctrl_s_ctrl(imx290->link_freq,
  57 -                                          imx290_get_link_freq_index(imx290));
  58 -               if (imx290->pixel_rate)
  59 -                       __v4l2_ctrl_s_ctrl_int64(imx290->pixel_rate,
  60 -                                                imx290_calc_pixel_rate(imx290));
  61 -
  62 -               if (imx290->hblank) {
  63 -                       unsigned int hblank = mode->hmax - mode->width;
  64 -
  65 -                       __v4l2_ctrl_modify_range(imx290->hblank, hblank, hblank,
  66 -                                                1, hblank);
  67 -               }
  68 -
  69 -               if (imx290->vblank) {
  70 -                       unsigned int vblank = IMX290_VMAX_DEFAULT - mode->height;
  71 -
  72 -                       __v4l2_ctrl_modify_range(imx290->vblank, vblank, vblank,
  73 -                                                1, vblank);
  74 -               }
  75 +               imx290_ctrl_update(imx290, mode);
  76         }
  77
  78         *format = fmt->format;