diff options
| -rw-r--r-- | firmware/drivers/audio/as3514.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/firmware/drivers/audio/as3514.c b/firmware/drivers/audio/as3514.c index ecb577c..1303aae 100644 --- a/firmware/drivers/audio/as3514.c +++ b/firmware/drivers/audio/as3514.c @@ -162,8 +162,16 @@ void audiohw_preinit(void) AUDIOSET2_IBR_DAC_0 | AUDIOSET2_LSP_LP | AUDIOSET2_IBR_LSP_50); +/* 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); +#else + /* Set HPCM off, ZCU on */ + as3514_write(AS3514_AUDIOSET3, AUDIOSET3_HPCM_off); +#endif /* Mute and disable speaker */ as3514_write(AS3514_LSP_OUT_R, LSP_OUT_R_SP_OVC_TO_256MS | 0x00); @@ -194,15 +202,6 @@ void audiohw_postinit(void) /* wait until outputs have stabilized */ sleep(HZ/4); -/* Sansa Clip and Sansa m200v4 need HPCM enabled, otherwise they output - the L-R signal on both L and R headphone outputs instead of normal stereo. - TODO : If this turns out to apply to all ams3525 targets, consider - simplifying the precompiler condition. -*/ -#if !defined(SANSA_CLIP) && !defined(SANSA_M200V4) && !defined(SANSA_E200V2) - as3514_write(AS3514_AUDIOSET3, AUDIOSET3_HPCM_off); -#endif - #ifdef CPU_PP ascodec_suppressor_on(false); #endif |