diff options
| -rw-r--r-- | firmware/drivers/audio/ak4537.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/firmware/drivers/audio/ak4537.c b/firmware/drivers/audio/ak4537.c index 799bf83946..bea3dc7019 100644 --- a/firmware/drivers/audio/ak4537.c +++ b/firmware/drivers/audio/ak4537.c @@ -273,6 +273,8 @@ void audiohw_enable_recording(bool source_mic) /* power up right channel input and ADC */ akc_set(AK4537_PM3, PMADR | PMIPGR); } + /* ADC -> DAC, external data to DAC ignored */ + akc_set(AK4537_MODE2, LOOP); } void audiohw_disable_recording(void) @@ -286,6 +288,9 @@ void audiohw_disable_recording(void) /* power down ADC, mic preamp and line amp */ akc_clear(AK4537_PM1, PMADL | PMMICL | PMIPGL); akc_clear(AK4537_PM3, PMADR | PMMICR | PMIPGR); + + /* break ADC -> DAC connection */ + akc_clear(AK4537_MODE2, LOOP); } void audiohw_set_recvol(int left, int right, int type) @@ -329,10 +334,6 @@ void audiohw_set_recvol(int left, int right, int type) void audiohw_set_monitor(bool enable) { - if (enable) - /* mix input signal to headphone output */ - akc_set(AK4537_SIGSEL2, MICL); - else - akc_clear(AK4537_SIGSEL2, MICL); + (void)enable; } #endif /* HAVE_RECORDING */ |