Index: firmware/drivers/audio/as3514.c =================================================================== --- firmware/drivers/audio/as3514.c (revision 25815) +++ firmware/drivers/audio/as3514.c (working copy) @@ -173,17 +173,19 @@ /* Turn on SUM, DAC */ as3514_write(AS3514_AUDIOSET1, AUDIOSET1_DAC_on | AUDIOSET1_SUM_on); - /* Set BIAS on, DITH on, AGC on, IBR_DAC max, LSP_LP on, IBR_LSP min */ - as3514_write(AS3514_AUDIOSET2, - AUDIOSET2_IBR_DAC_0 | AUDIOSET2_LSP_LP | - AUDIOSET2_IBR_LSP_50); + /* Set BIAS on, DITH off, AGC off, IBR_DAC max reduction, LSP_LP on, + IBR_LSP max reduction (50%) + */ + as3514_write(AS3514_AUDIOSET2, AUDIOSET2_IBR_LSP_50 | UDIOSET2_LSP_LP | + AUDIOSET2_IBR_DAC_50 | AUDIOSET2_AGC_off |AUDIOSET2_DITH_off ); /* AMS Sansas based on the AS3525 need HPCM enabled, otherwise they output the L-R signal on both L and R headphone outputs instead of normal stereo. Turning it off saves a little power on targets that don't need it. */ #if (CONFIG_CPU == AS3525) - /* Set HPCM on, ZCU on */ - as3514_write(AS3514_AUDIOSET3, 0); + /* Set HPCM on, ZCU off, reduce bias current, settings taken from c200v2 OF + */ + as3514_write(AS3514_AUDIOSET3, AUDIOSET3_IBR_HPH | AUDIOSET3_ZCU_off); #else /* Set HPCM off, ZCU on */ as3514_write(AS3514_AUDIOSET3, AUDIOSET3_HPCM_off);