From 5e477ae0acc793b492ac4cf32cecc9403bfb0d5d Mon Sep 17 00:00:00 2001
From: xx <xx>
Date: Wed, 28 Mar 2018 12:27:04 +0800
Subject: [PATCH] =?UTF-8?q?[imx-rt]=E5=9C=A8=E5=9B=9E=E8=B0=83=E5=87=BD?=
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---
 bsp/imxrt1052-evk/Libraries/drivers/fsl_sai_edma.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/bsp/imxrt1052-evk/Libraries/drivers/fsl_sai_edma.c b/bsp/imxrt1052-evk/Libraries/drivers/fsl_sai_edma.c
index 6f4dda699..c48a5aacd 100644
--- a/bsp/imxrt1052-evk/Libraries/drivers/fsl_sai_edma.c
+++ b/bsp/imxrt1052-evk/Libraries/drivers/fsl_sai_edma.c
@@ -91,12 +91,12 @@ static void SAI_TxEDMACallback(edma_handle_t *handle, void *userData, bool done,
     sai_edma_handle_t *saiHandle = privHandle->handle;
 
     /* If finished a blcok, call the callback function */
-    memset(&saiHandle->saiQueue[saiHandle->queueDriver], 0, sizeof(sai_transfer_t));
-    saiHandle->queueDriver = (saiHandle->queueDriver + 1) % SAI_XFER_QUEUE_SIZE;
     if (saiHandle->callback)
     {
         (saiHandle->callback)(privHandle->base, saiHandle, kStatus_SAI_TxIdle, saiHandle->userData);
-    }
+    }	
+    memset(&saiHandle->saiQueue[saiHandle->queueDriver], 0, sizeof(sai_transfer_t));
+    saiHandle->queueDriver = (saiHandle->queueDriver + 1) % SAI_XFER_QUEUE_SIZE;
 
     /* If all data finished, just stop the transfer */
     if (saiHandle->saiQueue[saiHandle->queueDriver].data == NULL)