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authorJianqun Xu <jay.xu@rock-chips.com>2014-12-24 17:37:02 +0800
committerMark Brown <broonie@kernel.org>2014-12-24 12:43:20 +0000
commit27fd36ab135724ed9c648c57e5c0d0299bd7f67a (patch)
treefb88a95c4475128ea80469283eebaa035276eb36
parent4db9c4a9b27f2b3c7df0d75b16078322447dc87a (diff)
ASoC: rockchip: i2s: fix maxburst of dma data to 4
Since RK3288 DMAC's burst length only support max to 4, here set maxburst of playback and capture dma data to 4. Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com> Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--sound/soc/rockchip/rockchip_i2s.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 26ec5117b35c..13d8507333b8 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -454,11 +454,11 @@ 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 = 16;
+ i2s->playback_dma_data.maxburst = 4;
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 = 16;
+ i2s->capture_dma_data.maxburst = 4;
i2s->dev = &pdev->dev;
dev_set_drvdata(&pdev->dev, i2s);