From b6167cce2b1c3bc5eae967977964dfdaef971398 Mon Sep 17 00:00:00 2001 From: Tommaso Merciai Date: Mon, 10 Jun 2024 10:10:33 +0200 Subject: [PATCH] media: i2c: alvium: implement enum_frame_size Implement the enum_frame_size pad operation. The sensor supports a continuous size range of resolutions. Signed-off-by: Tommaso Merciai Signed-off-by: Sakari Ailus Signed-off-by: Hans Verkuil --- 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,