1 files changed, 3 insertions, 0 deletions

diff --git a/include/media/rc-core.h b/include/media/rc-core.h
index a23c1fc685a..2963263f31e 100644
--- a/include/media/rc-core.h
+++ b/include/media/rc-core.h
@@ -183,6 +183,9 @@ static inline void init_ir_raw_event(struct ir_raw_event *ev)
 }
 
 #define IR_MAX_DURATION         0xFFFFFFFF      /* a bit more than 4 seconds */
+#define US_TO_NS(usec)          ((usec) * 1000)
+#define MS_TO_US(msec)          ((msec) * 1000)
+#define MS_TO_NS(msec)          ((msec) * 1000 * 1000)
 
 void ir_raw_event_handle(struct rc_dev *dev);
 int ir_raw_event_store(struct rc_dev *dev, struct ir_raw_event *ev);