diff options
Diffstat (limited to 'firmware/target/arm')
| -rw-r--r-- | firmware/target/arm/as3525/pcm-as3525.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/firmware/target/arm/as3525/pcm-as3525.c b/firmware/target/arm/as3525/pcm-as3525.c index 01d228f784..5a403bad83 100644 --- a/firmware/target/arm/as3525/pcm-as3525.c +++ b/firmware/target/arm/as3525/pcm-as3525.c @@ -40,18 +40,20 @@ static size_t dma_size; /* in 4*32 bits */ static void dma_callback(void); static int locked = 0; +static int play_irq_state; + /* Mask the DMA interrupt */ void pcm_play_lock(void) { if(++locked == 1) - VIC_INT_EN_CLEAR = INTERRUPT_DMAC; + play_irq_state = disable_irq_save(); } /* Unmask the DMA interrupt if enabled */ void pcm_play_unlock(void) { if(--locked == 0) - VIC_INT_ENABLE = INTERRUPT_DMAC; + restore_irq(play_irq_state); } static void play_start_pcm(void) @@ -198,18 +200,19 @@ static void rec_dma_callback(void); static int16_t *mono_samples; #endif +static int rec_irq_state; void pcm_rec_lock(void) { if(++rec_locked == 1) - VIC_INT_EN_CLEAR = INTERRUPT_DMAC; + rec_irq_state = disable_irq_save(); } void pcm_rec_unlock(void) { if(--rec_locked == 0) - VIC_INT_ENABLE = INTERRUPT_DMAC; + restore_irq(rec_irq_state); } |