diff --git a/asoc/codecs/wcd937x/wcd937x_slave.c b/asoc/codecs/wcd937x/wcd937x_slave.c
index 9dcd0d2438ab..3aa4ae45bcc8 100644
--- a/asoc/codecs/wcd937x/wcd937x_slave.c
+++ b/asoc/codecs/wcd937x/wcd937x_slave.c
@@ -8,6 +8,7 @@
 #include <linux/platform_device.h>
 #include <linux/device.h>
 #include <linux/kernel.h>
+#include <linux/delay.h>
 #include <linux/component.h>
 #include <soc/soundwire.h>