Support reporting of the Sensor Native and Active pixel array areas
through the Selection API.
The implementation reports a single target crop only for the mode that
is presently exposed by the driver.
Signed-off-by: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>
---
drivers/media/i2c/imx335.c | 44 ++++++++++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/drivers/media/i2c/imx335.c b/drivers/media/i2c/imx335.c
index bf12b9b69fce..026777eb362e 100644
--- a/drivers/media/i2c/imx335.c
+++ b/drivers/media/i2c/imx335.c
@@ -55,6 +55,14 @@
#define IMX335_REG_MIN 0x00
#define IMX335_REG_MAX 0xfffff
+/* IMX335 native and active pixel array size. */
+#define IMX335_NATIVE_WIDTH 2616U
+#define IMX335_NATIVE_HEIGHT 1964U
+#define IMX335_PIXEL_ARRAY_LEFT 12U
+#define IMX335_PIXEL_ARRAY_TOP 12U
+#define IMX335_PIXEL_ARRAY_WIDTH 2592U
+#define IMX335_PIXEL_ARRAY_HEIGHT 1944U
+
/**
* struct imx335_reg - imx335 sensor register
* @address: Register address
@@ -651,6 +659,41 @@ static int imx335_init_pad_cfg(struct v4l2_subdev *sd,
return imx335_set_pad_format(sd, sd_state, &fmt);
}
+/**
+ * imx335_get_selection() - Selection API
+ * @sd: pointer to imx335 V4L2 sub-device structure
+ * @sd_state: V4L2 sub-device configuration
+ * @sel: V4L2 selection info
+ *
+ * Return: 0 if successful, error code otherwise.
+ */
+static int imx335_get_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_selection *sel)
+{
+ switch (sel->target) {
+ case V4L2_SEL_TGT_NATIVE_SIZE:
+ sel->r.top = 0;
+ sel->r.left = 0;
+ sel->r.width = IMX335_NATIVE_WIDTH;
+ sel->r.height = IMX335_NATIVE_HEIGHT;
+
+ return 0;
+
+ case V4L2_SEL_TGT_CROP:
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ sel->r.top = IMX335_PIXEL_ARRAY_TOP;
+ sel->r.left = IMX335_PIXEL_ARRAY_LEFT;
+ sel->r.width = IMX335_PIXEL_ARRAY_WIDTH;
+ sel->r.height = IMX335_PIXEL_ARRAY_HEIGHT;
+
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
/**
* imx335_start_streaming() - Start sensor stream
* @imx335: pointer to imx335 device
@@ -864,6 +907,7 @@ static const struct v4l2_subdev_pad_ops imx335_pad_ops = {
.init_cfg = imx335_init_pad_cfg,
.enum_mbus_code = imx335_enum_mbus_code,
.enum_frame_size = imx335_enum_frame_size,
+ .get_selection = imx335_get_selection,
.get_fmt = imx335_get_pad_format,
.set_fmt = imx335_set_pad_format,
};
--
2.34.1
