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media: i2c: alvium: implement enum_frame_size

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Implement the enum_frame_size pad operation.
The sensor supports a continuous size range of resolutions.

Signed-off-by: Tommaso Merciai <tomm.merciai@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Tommaso Merciai 2024-06-10 10:10:33 +02:00 committed by Hans Verkuil
parent 50b631c6ec
commit b6167cce2b
1 changed files with 22 additions and 0 deletions
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22
drivers/media/i2c/alvium-csi2.c
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@ -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,