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Subject: media: i2c: alvium: implement enum_frame_size
Author: Tommaso Merciai <tomm.merc...@gmail.com>
Date: Mon Jun 10 10:10:33 2024 +0200
Implement the enum_frame_size pad operation.
The sensor supports a continuous size range of resolutions.
Signed-off-by: Tommaso Merciai <tomm.merc...@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/i2c/alvium-csi2.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
---
diff --git a/drivers/media/i2c/alvium-csi2.c b/drivers/media/i2c/alvium-csi2.c
index a88809333e56..c27c6fcaede4 100644
--- a/drivers/media/i2c/alvium-csi2.c
+++ b/drivers/media/i2c/alvium-csi2.c
@@ -1722,6 +1722,27 @@ alvium_code_to_pixfmt(struct alvium_dev *alvium, u32
code)
return &alvium->alvium_csi2_fmt[0];
}
+static int alvium_enum_frame_size(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state,
+ struct v4l2_subdev_frame_size_enum *fse)
+{
+ struct alvium_dev *alvium = sd_to_alvium(sd);
+ const struct alvium_pixfmt *alvium_csi2_fmt;
+
+ if (fse->index)
+ return -EINVAL;
+
+ alvium_csi2_fmt = alvium_code_to_pixfmt(alvium, fse->code);
+ if (fse->code != alvium_csi2_fmt->code)
+ return -EINVAL;
+
+ fse->min_width = alvium->img_min_width;
+ fse->max_width = alvium->img_max_width;
+ fse->min_height = alvium->img_min_height;
+ fse->max_height = alvium->img_max_height;
+ return 0;
+}
+
static int alvium_set_mode(struct alvium_dev *alvium,
struct v4l2_subdev_state *state)
{
@@ -2229,6 +2250,7 @@ static const struct v4l2_subdev_video_ops
alvium_video_ops = {
static const struct v4l2_subdev_pad_ops alvium_pad_ops = {
.enum_mbus_code = alvium_enum_mbus_code,
+ .enum_frame_size = alvium_enum_frame_size,
.get_fmt = v4l2_subdev_get_fmt,
.set_fmt = alvium_set_fmt,
.get_selection = alvium_get_selection,
