Index: firmware/export/as3514.h
===================================================================
--- firmware/export/as3514.h	(revision 26869)
+++ firmware/export/as3514.h	(working copy)
@@ -120,7 +120,7 @@
 #define AS3514_UID_0      0x30
 
 /* Headphone volume goes from -73.5 ... +6dB */
-#define VOLUME_MIN -735
+#define VOLUME_MIN -810
 #define VOLUME_MAX   60
 
 /*** Audio Registers ***/
Index: firmware/drivers/audio/as3514.c
===================================================================
--- firmware/drivers/audio/as3514.c	(revision 26869)
+++ firmware/drivers/audio/as3514.c	(working copy)
@@ -117,8 +117,8 @@
     /* +6 to -73.5dB in 1.5dB steps == 53 levels */
     if (db < VOLUME_MIN) {
         return 0x0;
-    } else if (db >= VOLUME_MAX) {
-        return 0x35;
+    } else if (db > VOLUME_MAX) {
+        return 0x4a;
     } else {
         return((db-VOLUME_MIN)/15); /* VOLUME_MIN is negative */
     }
@@ -252,6 +252,25 @@
 
     /* We combine the mixer channel volume range with the headphone volume
        range - keep first stage as loud as possible */
+
+#if CONFIG_CPU == AS3525v2 /*AS3543 mixer can go a little louder*/
+
+    if (vol_r <= 0x1b) {
+        mix_r = vol_r;
+        hph_r = 0;
+    } else {
+        mix_r = 0x1b;
+        hph_r = vol_r - 0x1b;
+    }
+
+    if (vol_l <= 0x1b) {
+        mix_l = vol_l;
+        hph_l = 0;
+    } else {
+        mix_l = 0x1b;
+        hph_l = vol_l - 0x1b;
+    }    
+#else /* lets leave the AS3514 alone*/
     if (vol_r <= 0x16) {
         mix_r = vol_r;
         hph_r = 0;
@@ -266,7 +285,8 @@
     } else {
         mix_l = 0x16;
         hph_l = vol_l - 0x16;
-    }
+    }    
+#endif
 
     as3514_write_masked(AS3514_DAC_R, mix_r, AS3514_VOL_MASK);
     as3514_write_masked(AS3514_DAC_L, mix_l, AS3514_VOL_MASK);