media: i2c: imx290: Add support to enumerate all frame sizes

Add support to enumerate all frame sizes supported by IMX290. This is
required for using with userspace tools such as libcamera.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c
index c654a9a..fd147fa 100644 (file)
--- a/drivers/media/i2c/imx290.c
+++ b/drivers/media/i2c/imx290.c
@@ -528,6 +528,28 @@ static int imx290_enum_mbus_code(struct v4l2_subdev *sd,
        return 0;
 }
 
+static int imx290_enum_frame_size(struct v4l2_subdev *sd,
+                                 struct v4l2_subdev_pad_config *cfg,
+                                 struct v4l2_subdev_frame_size_enum *fse)
+{
+       const struct imx290 *imx290 = to_imx290(sd);
+       const struct imx290_mode *imx290_modes = imx290_modes_ptr(imx290);
+
+       if ((fse->code != imx290_formats[0].code) &&
+           (fse->code != imx290_formats[1].code))
+               return -EINVAL;
+
+       if (fse->index >= imx290_modes_num(imx290))
+               return -EINVAL;
+
+       fse->min_width = imx290_modes[fse->index].width;
+       fse->max_width = imx290_modes[fse->index].width;
+       fse->min_height = imx290_modes[fse->index].height;
+       fse->max_height = imx290_modes[fse->index].height;
+
+       return 0;
+}
+
 static int imx290_get_fmt(struct v4l2_subdev *sd,
                          struct v4l2_subdev_pad_config *cfg,
                          struct v4l2_subdev_format *fmt)
@@ -873,6 +895,7 @@ static const struct v4l2_subdev_video_ops imx290_video_ops = {
 static const struct v4l2_subdev_pad_ops imx290_pad_ops = {
        .init_cfg = imx290_entity_init_cfg,
        .enum_mbus_code = imx290_enum_mbus_code,
+       .enum_frame_size = imx290_enum_frame_size,
        .get_fmt = imx290_get_fmt,
        .set_fmt = imx290_set_fmt,
 };