Index: firmware/export/ipod_remote_tuner.h
===================================================================
--- firmware/export/ipod_remote_tuner.h	(revision 27468)
+++ firmware/export/ipod_remote_tuner.h	(working copy)
@@ -31,21 +31,7 @@
 extern int tuner_signal_power;
 extern int radio_tuned;
 
-/* update tuner state: plugged or unplugged when in radio mode */
-extern void rmt_tuner_region(int region);
-extern void rmt_tuner_set_freq(int curr_freq);
 extern void rmt_tuner_freq(void);
-extern void rmt_tuner_scan(int direction);
-
-/* tuner mode state: ON or OFF */
-extern void rmt_tuner_sleep(int state);
-
-/* parameters are stereo/mono, deemphasis, delta freq... */
-extern void rmt_tuner_set_param(unsigned char tuner_param);
-
-extern void rmt_tuner_mute(int value);
-extern void rmt_tuner_signal_power(unsigned char value);
-
 extern void rmt_tuner_rds_data(void);
 
 struct rmt_tuner_region_data
Index: firmware/drivers/tuner/ipod_remote_tuner.c
===================================================================
--- firmware/drivers/tuner/ipod_remote_tuner.c	(revision 27468)
+++ firmware/drivers/tuner/ipod_remote_tuner.c	(working copy)
@@ -51,6 +51,11 @@
     char data_frequency[4];
 }Frequency;
 
+static void rmt_tuner_signal_power(unsigned char value)
+{
+    tuner_signal_power = (int)(value);
+}
+
 void rmt_tuner_freq(void)
 {
     char tempdata[4];
@@ -65,7 +70,7 @@
     rmt_tuner_signal_power(serbuf[7]);
 }
 
-void rmt_tuner_set_freq(int curr_freq)
+static void rmt_tuner_set_freq(int curr_freq)
 {
     if (curr_freq != tuner_frequency)
     {
@@ -94,13 +99,8 @@
     }
 }
 
-void rmt_tuner_signal_power(unsigned char value)
+static void rmt_tuner_sleep(int state)
 {
-    tuner_signal_power = (int)(value);
-}
-
-void rmt_tuner_sleep(int state)
-{
     if (state == 0)
     {
         tuner_param = 0x00;
@@ -138,7 +138,7 @@
     }
 }
 
-void rmt_tuner_scan(int param)
+static void rmt_tuner_scan(int param)
 {
     unsigned char data[] = {0x07, 0x11, 0x08};  /* RSSI level */
     unsigned char updown = 0x00;
@@ -161,7 +161,8 @@
     iap_send_pkt(data1, sizeof(data1));
 }
 
-void rmt_tuner_mute(int value)
+#if 0   /* function is not used */
+static void rmt_tuner_mute(int value)
 {
     /* mute flag off (play) */
     unsigned char data[] = {0x03, 0x09, 0x03, 0x01};
@@ -172,8 +173,9 @@
     }
     iap_send_pkt(data, sizeof(data));
 }
+#endif
 
-void rmt_tuner_region(int region)
+static void rmt_tuner_region(int region)
 {
     if (region != old_region)
     {
@@ -193,7 +195,7 @@
 }
 
 /* set stereo/mono, deemphasis, delta freq... */
-void rmt_tuner_set_param(unsigned char tuner_param)
+static void rmt_tuner_set_param(unsigned char tuner_param)
 {
     if(tuner_param != old_tuner_param)
     {