diff mbox series

[v1,05/12] ASoC: rockchip: pdm: change dma burst to 8

Message ID 1554349691-23450-1-git-send-email-sugar.zhang@rock-chips.com (mailing list archive)
State Accepted
Commit 86a7b6ffd90095d81d9fa0d8b48955b7c83b2e2f
Headers show
Series Patches to update pdm for rockchip socs | expand

Commit Message

Sugar Zhang April 4, 2019, 3:48 a.m. UTC 
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 mbox series

Patch

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;