diff options
| author | Sugar Zhang <sugar.zhang@rock-chips.com> | 2021-08-26 12:01:49 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-08-26 13:59:32 +0100 |
| commit | 7a2df53bc090a161713da057df7455b39f6cd00d (patch) | |
| tree | b080bc1e730624dfaa5dac77295194625e48be7c /sound | |
| parent | 6b76bcc004b046ea3c8eb66bbc6954f1d23cc2af (diff) | |
| download | linux-7a2df53bc090a161713da057df7455b39f6cd00d.tar.bz2 | |
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>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/rockchip/rockchip_i2s.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c index 05fce2c61f1a..2e0047ddbc39 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; |