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authorSolomon Peachy <pizza@shaftnet.org>2020-09-04 15:55:11 -0400
committerSolomon Peachy <pizza@shaftnet.org>2020-09-04 15:57:00 -0400
commit90a4f28c2799e3ae5e873f1f34b1e4adb59f77cb (patch)
tree119dc1bffbfb56aa3d0d4af8a2adba74db7951d3 /firmware/target/mips/ingenic_jz47xx/codec-jz4740.c
parent5f5e44f593f3c33beb813e8ae2948bc96d49681d (diff)
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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/codec-jz4740.c')
-rw-r--r--firmware/target/mips/ingenic_jz47xx/codec-jz4740.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/firmware/target/mips/ingenic_jz47xx/codec-jz4740.c b/firmware/target/mips/ingenic_jz47xx/codec-jz4740.c
index 702f3bb50e..a41f047026 100644
--- a/firmware/target/mips/ingenic_jz47xx/codec-jz4740.c
+++ b/firmware/target/mips/ingenic_jz47xx/codec-jz4740.c
@@ -267,6 +267,7 @@ void audiohw_postinit(void)
void audiohw_init(void)
{
+ __aic_play_lastsample(); /* on FIFO underflow */
i2s_codec_init();
}