From 34fc732a77f9c06a14bce1376afcf73dfcdac05a Mon Sep 17 00:00:00 2001 From: Sugar Zhang Date: Fri, 24 Nov 2017 18:27:04 +0800 Subject: [PATCH] ASoC: rockchip: pdm: change dma burst to 8 This patch is to avoid fifo xrun in some timing case. Change-Id: I511ebc4c443f1c3369fff1c4b4eb5faf145d5ae5 Signed-off-by: Sugar Zhang --- 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 400e29edb1c9..d83212252b1d 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;