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Subject[PATCH v2 4/6] media: i2c: imx290: Add support to enumerate all frame sizes
Date
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>
---
drivers/media/i2c/imx290.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c
index b6eeca56d3c9..a1974340e6fa 100644
--- a/drivers/media/i2c/imx290.c
+++ b/drivers/media/i2c/imx290.c
@@ -468,6 +468,25 @@ static int imx290_enum_mbus_code(struct v4l2_subdev *sd,
return 0;
}

+static int imx290_enum_frame_size(struct v4l2_subdev *subdev,
+ struct v4l2_subdev_pad_config *cfg,
+ struct v4l2_subdev_frame_size_enum *fse)
+{
+ if ((fse->code != imx290_formats[0].code) &&
+ (fse->code != imx290_formats[1].code))
+ return -EINVAL;
+
+ if (fse->index >= ARRAY_SIZE(imx290_modes))
+ 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)
@@ -823,6 +842,7 @@ 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,
};
--
2.17.1
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