[alsa-devel] [PATCH v1 05/12] 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 ---

sound/soc/rockchip/rockchip_pdm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/rockchip/rockchip_pdm.c b/sound/soc/rockchip/rockchip_pdm.c index abbb6d7..c50494b 100644 --- a/sound/soc/rockchip/rockchip_pdm.c +++ b/sound/soc/rockchip/rockchip_pdm.c @@ -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;