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Diffstat (limited to 'include/media/v4l2-ctrls.h')
-rw-r--r--include/media/v4l2-ctrls.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 9ed7be1e696f..3a87096e064f 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -1433,6 +1433,18 @@ v4l2_ctrl_request_hdl_ctrl_find(struct v4l2_ctrl_handler *hdl, u32 id);
int v4l2_queryctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_queryctrl *qc);
/**
+ * v4l2_query_ext_ctrl_to_v4l2_queryctrl - Convert a qec to qe.
+ *
+ * @to: The v4l2_queryctrl to write to.
+ * @from: The v4l2_query_ext_ctrl to read from.
+ *
+ * This function is a helper to convert a v4l2_query_ext_ctrl into a
+ * v4l2_queryctrl.
+ */
+void v4l2_query_ext_ctrl_to_v4l2_queryctrl(struct v4l2_queryctrl *to,
+ const struct v4l2_query_ext_ctrl *from);
+
+/**
* v4l2_query_ext_ctrl - Helper function to implement
* :ref:`VIDIOC_QUERY_EXT_CTRL <vidioc_queryctrl>` ioctl
*