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ASoC: rockchip: pdm: change dma burst to 8 

This patch decreases the transfer bursts to avoid the fifo overrun.

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Sugar Zhang 2019-04-04 11:48:11 +08:00 committed by Mark Brown
parent c85064435f
commit 86a7b6ffd9
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1 changed files with 1 additions and 1 deletions
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2
sound/soc/rockchip/rockchip_pdm.c
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@ -24,7 +24,7 @@
#include "rockchip_pdm.h"
#define PDM_DMA_BURST_SIZE (16) /* size * width: 16*4 = 64 bytes */
#define PDM_DMA_BURST_SIZE (8) /* size * width: 8*4 = 32 bytes */
struct rk_pdm_dev {
struct device *dev;