ASoC: rockchip: i2s: Improve dma data transfer efficiency

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>
Link: https://lore.kernel.org/r/1629950520-14190-3-git-send-email-sugar.zhang@rock-chips.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Sugar Zhang 2021-08-26 12:01:49 +08:00 committed by Mark Brown
parent 6b76bcc004
commit 7a2df53bc0
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@ -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;