--- a/gsm-fw/gpf/osl/os_tim_fl.c	Mon Jun 23 04:20:09 2014 +0000
+++ b/gsm-fw/gpf/osl/os_tim_fl.c	Mon Jun 23 04:44:10 2014 +0000
@@ -35,3 +35,20 @@
 NU_TIMER os_timer_cb;
 
 static int t_info_read;
+
+GLOBAL LONG
+os_set_tick(int os_system_tick)
+{
+	switch (os_system_tick) {
+	case SYSTEM_TICK_TDMA_FRAME:
+		os_time_to_tick_multiplier = TIME_TO_TICK_TDMA_FRAME_MULTIPLIER;
+		os_tick_to_time_multiplier = TICK_TO_TIME_TDMA_FRAME_MULTIPLIER;
+		return(OS_OK);
+	case SYSTEM_TICK_10_MS:
+		os_time_to_tick_multiplier = TIME_TO_TICK_10MS_MULTIPLIER;
+		os_tick_to_time_multiplier = TICK_TO_TIME_10MS_MULTIPLIER;
+		return(OS_OK);
+	default:
+		return(OS_ERROR);
+	}
+}