Add support for the G_SELECTION IOCTL in the ov2740 driver.
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
drivers/media/i2c/ov2740.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/drivers/media/i2c/ov2740.c b/drivers/media/i2c/ov2740.c
index e37d824291fe..6e355e986b88 100644
--- a/drivers/media/i2c/ov2740.c
+++ b/drivers/media/i2c/ov2740.c
@@ -23,6 +23,11 @@
#define OV2740_DATA_LANES 2
#define OV2740_RGB_DEPTH 10
+#define OV2740_DUMMY_LINES_PRE 8U
+#define OV2740_DUMMY_LINES_POST 8U
+#define OV2740_ACTIVE_WIDTH 1932U
+#define OV2740_ACTIVE_HEIGHT 1092U
+
#define OV2740_REG_CHIP_ID 0x300a
#define OV2740_CHIP_ID 0x2740
@@ -1114,6 +1119,31 @@ static int ov2740_set_format(struct v4l2_subdev *sd,
fmt->pad, fmt->stream);
}
+static int ov2740_get_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state,
+ struct v4l2_subdev_selection *sel)
+{
+ switch (sel->target) {
+ case V4L2_SEL_TGT_NATIVE_SIZE:
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ sel->r.top = 0;
+ sel->r.left = 0;
+ sel->r.width = OV2740_ACTIVE_WIDTH;
+ sel->r.height = OV2740_DUMMY_LINES_PRE + OV2740_ACTIVE_HEIGHT +
+ OV2740_DUMMY_LINES_POST;
+ return 0;
+ case V4L2_SEL_TGT_CROP:
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ sel->r.top = OV2740_DUMMY_LINES_PRE;
+ sel->r.left = 0;
+ sel->r.width = OV2740_ACTIVE_WIDTH;
+ sel->r.height = OV2740_ACTIVE_HEIGHT;
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
static int ov2740_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_mbus_code_enum *code)
@@ -1222,6 +1252,7 @@ static const struct v4l2_subdev_video_ops ov2740_video_ops = {
static const struct v4l2_subdev_pad_ops ov2740_pad_ops = {
.get_fmt = v4l2_subdev_get_fmt,
.set_fmt = ov2740_set_format,
+ .get_selection = ov2740_get_selection,
.enum_mbus_code = ov2740_enum_mbus_code,
.enum_frame_size = ov2740_enum_frame_size,
.enable_streams = ov2740_enable_streams,
--
2.39.2
