ASoC: rockchip: i2s: increase dma maxburst to 16

Change-Id: I84898fced94141b29e88f2e8f8f9328881090c25
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>

Author: Sugar Zhang

sound/soc/rockchip/rockchip_i2s.c

@@ -629,11 +629,11 @@ 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 = 16;
 
 	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 = 16;
 
 	dev_set_drvdata(&pdev->dev, i2s);