Index: apps/lang/english.lang
===================================================================
--- apps/lang/english.lang	(revision 28304)
+++ apps/lang/english.lang	(working copy)
@@ -12647,3 +12647,20 @@
     *: "Start File Browser at root"
   </voice>
 </phrase>
+<phrase>
+  id: LANG_FM_SIGNAL_STRENGTH
+  desc: Signal strength of a received FM station
+  user: core
+  <source>
+    *: none
+    radio: "Field strength"
+  </source>
+  <dest>
+    *: none
+    radio: "Field strength"
+  </dest>
+  <voice>
+    *: none
+    radio: "Field strength"
+  </voice>
+</phrase>
Index: firmware/export/tuner.h
===================================================================
--- firmware/export/tuner.h	(revision 28304)
+++ firmware/export/tuner.h	(working copy)
@@ -46,6 +46,7 @@
     RADIO_STEREO,
     /* RADIO_EVENT is an event that requests a screen update */
     RADIO_EVENT,
+    RADIO_RSSI,
 
     /* Put new general-purpose readback values above this line */
     __RADIO_GET_STANDARD_LAST
Index: firmware/export/lv24020lp.h
===================================================================
--- firmware/export/lv24020lp.h	(revision 28304)
+++ firmware/export/lv24020lp.h	(working copy)
@@ -25,6 +25,7 @@
 
 /* Define additional tuner messages here */
 #define HAVE_RADIO_REGION
+#define HAVE_RADIO_RSSI
 
 #define LV24020LP_CTRL_STAT (RADIO_GET_CHIP_FIRST+0)
 #define LV24020LP_REG_STAT  (RADIO_GET_CHIP_FIRST+1)
Index: firmware/export/tea5767.h
===================================================================
--- firmware/export/tea5767.h	(revision 28304)
+++ firmware/export/tea5767.h	(working copy)
@@ -25,6 +25,7 @@
 
 #define HAVE_RADIO_REGION
 #define HAVE_RADIO_MUTE_TIMEOUT
+#define HAVE_RADIO_RSSI
 
 struct tea5767_dbg_info
 {
Index: firmware/export/rda5802.h
===================================================================
--- firmware/export/rda5802.h	(revision 28304)
+++ firmware/export/rda5802.h	(working copy)
@@ -26,6 +26,7 @@
 #define _RDA5802_H_
 
 #define HAVE_RADIO_REGION
+#define HAVE_RADIO_RSSI
 
 struct rda5802_dbg_info
 {
Index: firmware/export/si4700.h
===================================================================
--- firmware/export/si4700.h	(revision 28304)
+++ firmware/export/si4700.h	(working copy)
@@ -26,6 +26,7 @@
 #define _SI4700_H_
 
 #define HAVE_RADIO_REGION
+#define HAVE_RADIO_RSSI
 
 struct si4700_dbg_info
 {
Index: firmware/export/tea5760.h
===================================================================
--- firmware/export/tea5760.h	(revision 28304)
+++ firmware/export/tea5760.h	(working copy)
@@ -27,6 +27,7 @@
 #include "tuner.h"
 
 #define HAVE_RADIO_REGION
+#define HAVE_RADIO_RSSI
 
 struct tea5760_dbg_info
 {
Index: firmware/drivers/tuner/tea5767.c
===================================================================
--- firmware/drivers/tuner/tea5767.c	(revision 28304)
+++ firmware/drivers/tuner/tea5767.c	(working copy)
@@ -131,6 +131,10 @@
         case RADIO_STEREO:
             val = read_bytes[2] >> 7;
             break;
+        
+        case RADIO_RSSI:
+            val = 9 + 3*(read_bytes[3] >> 4);
+            break;
     }
 
     return val;
Index: firmware/drivers/tuner/lv24020lp.c
===================================================================
--- firmware/drivers/tuner/lv24020lp.c	(revision 28304)
+++ firmware/drivers/tuner/lv24020lp.c	(working copy)
@@ -953,7 +953,7 @@
         else
             lv24020lp_write_clear(STEREO_CTRL, ST_M);
         break;
-
+    
     default:
         value = -1;
     }
@@ -966,6 +966,8 @@
 int lv24020lp_get(int setting)
 {
     int val = -1;
+    const unsigned char fst[7] = {0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f};
+    unsigned char fst_ndx, fs;
 
     mutex_lock(&tuner_mtx);
 
@@ -994,6 +996,14 @@
         break;
         }
 
+    case RADIO_RSSI:
+        fs = RSS_FS(lv24020lp_read(RADIO_STAT));
+        for(fst_ndx=0; fst_ndx<7; fst_ndx++)
+            if(fs == fst[fst_ndx])
+                break;
+        val = 75 - 10*fst_ndx;
+        break;
+
     default:
         val = lv24020lp_debug_info(setting);
     }
Index: firmware/drivers/tuner/rda5802.c
===================================================================
--- firmware/drivers/tuner/rda5802.c	(revision 28304)
+++ firmware/drivers/tuner/rda5802.c	(working copy)
@@ -263,6 +263,12 @@
     return (rda5802_read_reg(READCHAN) & READCHAN_ST);
 }
 
+static int rda5802_rssi(void)
+{
+    uint16_t status = rda5802_read_reg(STATUSRSSI);
+    return STATUSRSSI_RSSIr(status);
+}
+
 /* tuner abstraction layer: set something to the tuner */
 int rda5802_set(int setting, int value)
 {
@@ -323,6 +329,10 @@
     case RADIO_STEREO:
         val = rda5802_st();
         break;
+
+    case RADIO_RSSI:
+        val = rda5802_rssi();
+        break;
     }
 
     return val;
Index: firmware/drivers/tuner/si4700.c
===================================================================
--- firmware/drivers/tuner/si4700.c	(revision 28304)
+++ firmware/drivers/tuner/si4700.c	(working copy)
@@ -481,6 +481,10 @@
         case RADIO_STEREO:
             val = si4700_st();
             break;
+    
+        case RADIO_RSSI:
+            val = si4700_read_reg(STATUSRSSI) & 0xFF;
+            break;
     }
 
     return val;
Index: firmware/drivers/tuner/tea5760uk.c
===================================================================
--- firmware/drivers/tuner/tea5760uk.c	(revision 28304)
+++ firmware/drivers/tuner/tea5760uk.c	(working copy)
@@ -138,6 +138,11 @@
         case RADIO_STEREO:
             val = read_bytes[9] >> 2;
             break;
+            
+        case RADIO_RSSI:
+            val = (read_bytes[9] >> 4) & 0x0F;
+            val = (46 + 28 * val) / 10;
+            break;
     }
 
     return val;