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| author | Rafaël Carré <rafael.carre@gmail.com> | 2010-05-26 12:00:44 +0000 |
|---|---|---|
| committer | Rafaël Carré <rafael.carre@gmail.com> | 2010-05-26 12:00:44 +0000 |
| commit | bdb8ba4ecdf459b3add14ba57a9ec942026d0be3 (patch) | |
| tree | e7c20aef6fe60c30ce8c2a8c152b5fff645f6a18 /firmware/target/arm/as3525/pcm-as3525.c | |
| parent | 65f4d393fd26cc1ed5f204352e5c1866288095da (diff) | |
as3525: implement pcm_play_dma_get_peak_buffer correctly
give the real amount of bytes left to transfer
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26311 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/as3525/pcm-as3525.c')
| -rw-r--r-- | firmware/target/arm/as3525/pcm-as3525.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/firmware/target/arm/as3525/pcm-as3525.c b/firmware/target/arm/as3525/pcm-as3525.c index 655c89021a..01d228f784 100644 --- a/firmware/target/arm/as3525/pcm-as3525.c +++ b/firmware/target/arm/as3525/pcm-as3525.c @@ -167,8 +167,11 @@ size_t pcm_get_bytes_waiting(void) const void * pcm_play_dma_get_peak_buffer(int *count) { - *count = dma_size >> 2; - return (const void*)dma_start_addr; + pcm_play_lock(); + 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 |