(chan->info_mask_shared_by_all & BIT(type));
 }
 
-#define IIO_ST(si, rb, sb, sh)                                         \
-       { .sign = si, .realbits = rb, .storagebits = sb, .shift = sh }
-
-#define IIO_CHAN_SOFT_TIMESTAMP(_si)                                   \
-       { .type = IIO_TIMESTAMP, .channel = -1,                         \
-                       .scan_index = _si, .scan_type = IIO_ST('s', 64, 64, 0) }
+#define IIO_CHAN_SOFT_TIMESTAMP(_si) {                                 \
+       .type = IIO_TIMESTAMP,                                          \
+       .channel = -1,                                                  \
+       .scan_index = _si,                                              \
+       .scan_type = {                                                  \
+               .sign = 's',                                            \
+               .realbits = 64,                                 \
+               .storagebits = 64,                                      \
+               },                                                      \
+}
 
 /**
  * iio_get_time_ns() - utility function to get a time stamp for events etc