diff --git a/drivers/acpi/sony_acpi.c b/drivers/acpi/sony_acpi.c
index beb56b9df5c8f1bc0f0d2968a245644fb80119d6..f323c2c40a114a41595a26d38f2efe626d042542 100644
--- a/drivers/acpi/sony_acpi.c
+++ b/drivers/acpi/sony_acpi.c
@@ -233,7 +233,7 @@ static int sony_acpi_write(struct file *file, const char __user *buffer,
 	return count;
 }
 
-static int sony_acpi_resume(struct acpi_device *device, int state)
+static int sony_acpi_resume(struct acpi_device *device)
 {
 	struct sony_acpi_value *item;