diff --git a/include/linux/amlogic/media/amvecm/amvecm.h b/include/linux/amlogic/media/amvecm/amvecm.h
index e55283843..dcb4cfc26 100644
--- a/include/linux/amlogic/media/amvecm/amvecm.h
+++ b/include/linux/amlogic/media/amvecm/amvecm.h
@@ -415,7 +415,10 @@ enum lut_type_e {
 struct hdr_tone_mapping_s {
 	enum lut_type_e lut_type;
 	unsigned int lutlength;
-	unsigned int *tm_lut;
+	union {
+	void *tm_lut;
+	long long tm_lut_len;
+	};
 };
 
 /* CMS ioctl data structure */