ov5645: Implement VIDIOC_QUERYCTRL ioctl

b/128424247

Change-Id: I3182ac69f96e60e08693abd1685f054c097c631f

drivers/media/platform/mxc/capture/ov5645_mipi_v2.c

diff --git a/drivers/media/platform/mxc/capture/ov5645_mipi_v2.c b/drivers/media/platform/mxc/capture/ov5645_mipi_v2.c
index 152e8a0..ced8b2e 100644
--- a/drivers/media/platform/mxc/capture/ov5645_mipi_v2.c
+++ b/drivers/media/platform/mxc/capture/ov5645_mipi_v2.c
@@ -3280,6 +3280,11 @@ static int ov5645_enum_framesizes(struct v4l2_subdev *sd,
 	return 0;
 }
 
+static int ov5645_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
+{
+	return -EINVAL;
+}
+
 /*!
  * ov5645_enum_frameintervals - V4L2 sensor interface handler for
  *			       VIDIOC_ENUM_FRAMEINTERVALS ioctl
@@ -3391,6 +3396,7 @@ static struct v4l2_subdev_core_ops ov5645_subdev_core_ops = {
 	.g_register	= ov5645_get_register,
 	.s_register	= ov5645_set_register,
 #endif
+	.queryctrl	= ov5645_queryctrl,
 };
 
 static struct v4l2_subdev_ops ov5645_subdev_ops = {

include/media/v4l2-subdev.h

diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 9102d6c..aac240b 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -171,6 +171,8 @@ struct v4l2_subdev_io_pin_config {
  * @s_gpio: set GPIO pins. Very simple right now, might need to be extended with
  *	a direction argument if needed.
  *
+ * @queryctrl: callback for VIDIOC_QUERYCTL ioctl handler code.
+ *
  * @ioctl: called at the end of ioctl() syscall handler at the V4L2 core.
  *	   used to provide support for private ioctls used on the driver.
  *
@@ -202,6 +204,7 @@ struct v4l2_subdev_core_ops {
 	int (*load_fw)(struct v4l2_subdev *sd);
 	int (*reset)(struct v4l2_subdev *sd, u32 val);
 	int (*s_gpio)(struct v4l2_subdev *sd, u32 val);
+	int (*queryctrl)(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc);
 	long (*ioctl)(struct v4l2_subdev *sd, unsigned int cmd, void *arg);
 #ifdef CONFIG_COMPAT
 	long (*compat_ioctl32)(struct v4l2_subdev *sd, unsigned int cmd,