[PATCH v3 01/10] media: ar0521: Implement enum_frame_sizes

Jacopo Mondi
2022-11-04T14:28:28Z

Implement the enum_frame_size pad operation.

The sensor supports a continuous size range of resolutions.

Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/media/i2c/ar0521.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

diff --git a/drivers/media/i2c/ar0521.c b/drivers/media/i2c/ar0521.c
index e408049f6312..45fcf3798ad2 100644
--- a/drivers/media/i2c/ar0521.c
+++ b/drivers/media/i2c/ar0521.c
@@ -799,6 +799,24 @@ static int ar0521_enum_mbus_code(struct v4l2_subdev *sd,
return 0;
}

+static int ar0521_enum_frame_size(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_frame_size_enum *fse)
+{
+ if (fse->index)
+ return -EINVAL;
+
+ if (fse->code != MEDIA_BUS_FMT_SGRBG8_1X8)
+ return -EINVAL;
+
+ fse->min_width = AR0521_WIDTH_MIN;
+ fse->max_width = AR0521_WIDTH_MAX;
+ fse->min_height = AR0521_HEIGHT_MIN;
+ fse->max_height = AR0521_HEIGHT_MAX;
+
+ return 0;
+}
+
static int ar0521_pre_streamon(struct v4l2_subdev *sd, u32 flags)
{
struct ar0521_dev *sensor = to_ar0521_dev(sd);
@@ -865,6 +883,7 @@ static const struct v4l2_subdev_video_ops ar0521_video_ops = {

static const struct v4l2_subdev_pad_ops ar0521_pad_ops = {
.enum_mbus_code = ar0521_enum_mbus_code,
+ .enum_frame_size = ar0521_enum_frame_size,
.get_fmt = ar0521_get_fmt,
.set_fmt = ar0521_set_fmt,
};
--
2.38.1