| Message ID | 1629715710-21137-4-git-send-email-sugar.zhang@rock-chips.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Patches to update for rockchip i2s | expand |
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index 05fce2c..2e0047d 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -644,11 +644,11 @@ static int rockchip_i2s_probe(struct platform_device *pdev) i2s->playback_dma_data.addr = res->start + I2S_TXDR; i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; - i2s->playback_dma_data.maxburst = 4; + i2s->playback_dma_data.maxburst = 8; i2s->capture_dma_data.addr = res->start + I2S_RXDR; i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; - i2s->capture_dma_data.maxburst = 4; + i2s->capture_dma_data.maxburst = 8; i2s->bclk_ratio = 64;
This patch changes dma data burst from 4 to 8 to improve data transfer efficiency. Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com> --- sound/soc/rockchip/rockchip_i2s.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)