target/linux/bcm27xx/patches-5.4/950-0824-media-i2c-imx290-Add-support-to-enumerate-all-frame-.patch

   1 From 9ca04663315302f1556798e9da29eabf08aecd59 Mon Sep 17 00:00:00 2001
   2 From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
   3 Date: Fri, 12 Jun 2020 15:53:53 +0200
   4 Subject: [PATCH] media: i2c: imx290: Add support to enumerate all
   5  frame sizes
   6
   7 Commit 3b867fb641d884b714fba390ae866714ba475f29 upstream.
   8
   9 Add support to enumerate all frame sizes supported by IMX290. This is
  10 required for using with userspace tools such as libcamera.
  11
  12 Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
  13 Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
  14 Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
  15 Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
  16 ---
  17  drivers/media/i2c/imx290.c | 23 +++++++++++++++++++++++
  18  1 file changed, 23 insertions(+)
  19
  20 --- a/drivers/media/i2c/imx290.c
  21 +++ b/drivers/media/i2c/imx290.c
  22 @@ -528,6 +528,28 @@ static int imx290_enum_mbus_code(struct
  23         return 0;
  24  }
  25
  26 +static int imx290_enum_frame_size(struct v4l2_subdev *sd,
  27 +                                 struct v4l2_subdev_pad_config *cfg,
  28 +                                 struct v4l2_subdev_frame_size_enum *fse)
  29 +{
  30 +       const struct imx290 *imx290 = to_imx290(sd);
  31 +       const struct imx290_mode *imx290_modes = imx290_modes_ptr(imx290);
  32 +
  33 +       if ((fse->code != imx290_formats[0].code) &&
  34 +           (fse->code != imx290_formats[1].code))
  35 +               return -EINVAL;
  36 +
  37 +       if (fse->index >= imx290_modes_num(imx290))
  38 +               return -EINVAL;
  39 +
  40 +       fse->min_width = imx290_modes[fse->index].width;
  41 +       fse->max_width = imx290_modes[fse->index].width;
  42 +       fse->min_height = imx290_modes[fse->index].height;
  43 +       fse->max_height = imx290_modes[fse->index].height;
  44 +
  45 +       return 0;
  46 +}
  47 +
  48  static int imx290_get_fmt(struct v4l2_subdev *sd,
  49                           struct v4l2_subdev_pad_config *cfg,
  50                           struct v4l2_subdev_format *fmt)
  51 @@ -873,6 +895,7 @@ static const struct v4l2_subdev_video_op
  52  static const struct v4l2_subdev_pad_ops imx290_pad_ops = {
  53         .init_cfg = imx290_entity_init_cfg,
  54         .enum_mbus_code = imx290_enum_mbus_code,
  55 +       .enum_frame_size = imx290_enum_frame_size,
  56         .get_fmt = imx290_get_fmt,
  57         .set_fmt = imx290_set_fmt,
  58  };