diff options
| author | Rafaël Carré <rafael.carre@gmail.com> | 2008-12-04 22:54:02 +0000 |
|---|---|---|
| committer | Rafaël Carré <rafael.carre@gmail.com> | 2008-12-04 22:54:02 +0000 |
| commit | 3e4f3fe70e8ed404ea07c12e4fe9f5a25e55b16d (patch) | |
| tree | 9f8dca59de06b196c88e5db4fe74f2ce5358d80d /firmware/target/arm/as3525/pcm-as3525.c | |
| parent | 6aa807d32170eb463ede46397cb43c1c4088cbe9 (diff) | |
Sansa AMS: disable I2SOUT clocks when playback is stopped
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19343 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 | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/firmware/target/arm/as3525/pcm-as3525.c b/firmware/target/arm/as3525/pcm-as3525.c index 0386cc3336..cf0333f24c 100644 --- a/firmware/target/arm/as3525/pcm-as3525.c +++ b/firmware/target/arm/as3525/pcm-as3525.c @@ -66,6 +66,9 @@ static void play_start_pcm(void) dma_size -= size; dma_start_addr += size; + CGU_PERI |= CGU_I2SOUT_APB_CLOCK_ENABLE; + CGU_AUDIO |= (1<<11); + dma_enable_channel(1, (void*)addr, (void*)I2SOUT_DATA, DMA_PERI_I2SOUT, DMAC_FLOWCTRL_DMAC_MEM_TO_PERI, true, false, size >> 2, DMA_S1, dma_callback); @@ -98,6 +101,9 @@ void pcm_play_dma_stop(void) { dma_disable_channel(1); dma_size = 0; + + CGU_PERI &= ~CGU_I2SOUT_APB_CLOCK_ENABLE; + CGU_AUDIO &= ~(1<<11); } void pcm_play_dma_pause(bool pause) @@ -112,8 +118,8 @@ void pcm_play_dma_init(void) { CGU_PERI |= CGU_I2SOUT_APB_CLOCK_ENABLE; - /* enable I2SO_MCLK, clock source PLLA, minimal frequency */ - CGU_AUDIO |= (1<<11) | (511<<2) | (1<<0); + /* clock source PLLA, minimal frequency */ + CGU_AUDIO |= (511<<2) | (1<<0); I2SOUT_CONTROL |= (1<<6) ; /* enable dma */ I2SOUT_CONTROL |= (1<<3) ; /* stereo */ |