Index: firmware/drivers/audio/as3514.c
===================================================================
--- firmware/drivers/audio/as3514.c (revision 26223)
+++ firmware/drivers/audio/as3514.c (working copy)
@@ -151,9 +151,9 @@
 #ifdef HAVE_AS3543

     as3514_write(AS3514_AUDIOSET1, AUDIOSET1_DAC_on | AUDIOSET1_DAC_GAIN_on);
-    as3514_write(AS3514_AUDIOSET2, AUDIOSET2_HPH_QUALITY_LOW_POWER);
+    as3514_write(AS3514_AUDIOSET2, AUDIOSET2_HPH_QUALITY_HIGH);
     /* common ground on, delay playback unmuting when inserting headphones */
-    as3514_write(AS3514_AUDIOSET3, AUDIOSET3_HPCM_on | AUDIOSET3_HP_LONGSTART);
+    as3514_write(AS3514_AUDIOSET3, AUDIOSET3_HPCM_on | AUDIOSET3_HP_LONGSTART | AUDIOSET3_HP_BIAS_150);

     as3514_write(AS3543_DAC_IF, AS3543_DAC_INT_PLL);
     /* Select Line 2 for FM radio */