fix yellow in dfa33c246b

(Today I learned that the Cowon D2 is fixed at 44.1KHz)

Change-Id: I8d50c6b81b144e32a79a2728c9cad2ffdc7b03ca

apps/tagcache.c

@@ -3549,8 +3549,8 @@ static bool commit(void)
             tcrc_buffer_unlock();
         }
 
-        /* Reload tagcache. */
+        /* Reload tagcache only if we committed new entries */
-        if (tc_stat.ramcache_allocated > 0)
+        if (tc_stat.ramcache_allocated > 0 && tch.entry_count > 0)
             tagcache_start_scan();
 #endif /* HAVE_TC_RAMCACHE */
 

firmware/target/arm/pcm-telechips.c

@@ -92,6 +92,7 @@ static void sink_dma_init(void)
 
 static void sink_set_freq(uint16_t freq)
 {
+    (void)freq;
 }
 
 static void play_start_pcm(void)