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| author | Solomon Peachy <pizza@shaftnet.org> | 2020-09-04 15:55:11 -0400 |
|---|---|---|
| committer | Solomon Peachy <pizza@shaftnet.org> | 2020-09-04 15:57:00 -0400 |
| commit | 90a4f28c2799e3ae5e873f1f34b1e4adb59f77cb (patch) | |
| tree | 119dc1bffbfb56aa3d0d4af8a2adba74db7951d3 /firmware/target/mips/ingenic_jz47xx/pcm-jz4740.c | |
| parent | 5f5e44f593f3c33beb813e8ae2948bc96d49681d (diff) | |
| download | rockbox-90a4f28c2799e3ae5e873f1f34b1e4adb59f77cb.tar.gz rockbox-90a4f28c2799e3ae5e873f1f34b1e4adb59f77cb.zip | |
jz47xx: Audio path tweaks:
* Increase audio buffer size to better handle IRQ latency (256->2048)
* Ensure DMA engine is idle prior to starting transfers
* Set AIC to repeat last sample in case of underflows
Change-Id: I9c45c20481ee072e5882b7586fb7d50bd8ef2f35
Diffstat (limited to 'firmware/target/mips/ingenic_jz47xx/pcm-jz4740.c')
| -rw-r--r-- | firmware/target/mips/ingenic_jz47xx/pcm-jz4740.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/firmware/target/mips/ingenic_jz47xx/pcm-jz4740.c b/firmware/target/mips/ingenic_jz47xx/pcm-jz4740.c index 00a2b22591..ef2597ae69 100644 --- a/firmware/target/mips/ingenic_jz47xx/pcm-jz4740.c +++ b/firmware/target/mips/ingenic_jz47xx/pcm-jz4740.c | |||
| @@ -137,6 +137,8 @@ void DMA_CALLBACK(DMA_AIC_TX_CHANNEL)(void) | |||
| 137 | 137 | ||
| 138 | void pcm_play_dma_start(const void *addr, size_t size) | 138 | void pcm_play_dma_start(const void *addr, size_t size) |
| 139 | { | 139 | { |
| 140 | pcm_play_dma_stop(); | ||
| 141 | |||
| 140 | dma_enable(); | 142 | dma_enable(); |
| 141 | 143 | ||
| 142 | set_dma(addr, size); | 144 | set_dma(addr, size); |