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ASoC: rockchip: i2s: fix maxburst of dma data to 4

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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>
This commit is contained in:
Jianqun Xu 2014-12-24 17:37:02 +08:00 committed by Mark Brown
parent 4db9c4a9b2
commit 27fd36ab13
1 changed files with 2 additions and 2 deletions
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4
sound/soc/rockchip/rockchip_i2s.c
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@ -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);