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-rw-r--r--sound/isa/es18xx.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c
index a36ec1daa5cb..e6945db8ed1b 100644
--- a/sound/isa/es18xx.c
+++ b/sound/isa/es18xx.c
@@ -85,6 +85,8 @@
#include <linux/pnp.h>
#include <linux/isapnp.h>
#include <linux/moduleparam.h>
+#include <linux/delay.h>
+
#include <asm/io.h>
#include <asm/dma.h>
#include <sound/core.h>