v4.19.13 snapshot.
diff --git a/drivers/iio/resolver/Makefile b/drivers/iio/resolver/Makefile
new file mode 100644
index 0000000..4e1dcca
--- /dev/null
+++ b/drivers/iio/resolver/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for Resolver/Synchro drivers
+#
+
+obj-$(CONFIG_AD2S1200) += ad2s1200.o