#include <linux/ioport.h>
-#define PCM3730_SIZE 4 // consecutive io port addresses
+#define PCM3730_SIZE 4 /* consecutive io port addresses */
-#define PCM3730_DOA 0 // offsets for each port
+#define PCM3730_DOA 0 /* offsets for each port */
#define PCM3730_DOB 2
#define PCM3730_DOC 3
#define PCM3730_DIA 0