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as3525: implement pcm_play_dma_get_peak_buffer correctly

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give the real amount of bytes left to transfer

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26311 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré 2010-05-26 12:00:44 +00:00
parent 65f4d393fd
commit bdb8ba4ecd
1 changed files with 5 additions and 2 deletions
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7
firmware/target/arm/as3525/pcm-as3525.c
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@ -167,8 +167,11 @@ size_t pcm_get_bytes_waiting(void)
const void * pcm_play_dma_get_peak_buffer(int *count) const void * pcm_play_dma_get_peak_buffer(int *count)
{ {
*count = dma_size >> 2; pcm_play_lock();
return (const void*)dma_start_addr; unsigned char *addr = (void*)DMAC_CH_SRC_ADDR(1);
*count = (dma_size - (addr - dma_start_addr)) >> 2;
pcm_play_unlock();
return AS3525_UNCACHED_ADDR(addr);
} }
#ifdef HAVE_PCM_DMA_ADDRESS #ifdef HAVE_PCM_DMA_ADDRESS