diff options
Diffstat (limited to 'firmware')
| -rw-r--r-- | firmware/target/mips/ingenic_x1000/pcm-x1000.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/firmware/target/mips/ingenic_x1000/pcm-x1000.c b/firmware/target/mips/ingenic_x1000/pcm-x1000.c index 7d1c83a35a..4b9cb85b57 100644 --- a/firmware/target/mips/ingenic_x1000/pcm-x1000.c +++ b/firmware/target/mips/ingenic_x1000/pcm-x1000.c @@ -168,8 +168,23 @@ void pcm_play_dma_start(const void* addr, size_t size) void pcm_play_dma_stop(void) { - jz_writef(AIC_CCR, TDMS(0), ETUR(0), ERPL(0)); - jz_writef(AIC_CCR, TFLUSH(1)); + /* disable DMA and underrun interrupts */ + jz_writef(AIC_CCR, TDMS(0), ETUR(0)); + + /* + * wait for FIFO to be empty - on targets + * with >16bit samples, flushing the fifo + * may result in swapping l and r channels! + * (ensure bit clock is running first) + */ + if (jz_readf(AIC_I2SCR, STPBK) == 0) { + while(jz_readf(AIC_SR, TFL) != 0); + } else { + panicf("pcm_play_dma_stop: No bit clock running!"); + } + + /* disable playback */ + jz_writef(AIC_CCR, ERPL(0)); play_dma_pending_event = DMA_EVENT_NONE; aic_state &= ~AIC_STATE_PLAYING; |