From d98c4ad116c4b80d8c70ff20192988dc0ad849c2 Mon Sep 17 00:00:00 2001
From: xx <xx>
Date: Thu, 29 Mar 2018 15:39:31 +0800
Subject: [PATCH] =?UTF-8?q?[imx=20rt1050]=E4=BF=AE=E6=94=B9sai=20edma?=
 =?UTF-8?q?=E9=A9=B1=E5=8A=A8?=
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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 c48a5aacd1..216b6e3fab 100644
--- a/bsp/imxrt1052-evk/Libraries/drivers/fsl_sai_edma.c
+++ b/bsp/imxrt1052-evk/Libraries/drivers/fsl_sai_edma.c
@@ -91,11 +91,11 @@ 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 */
+    saiHandle->saiQueue[saiHandle->queueDriver].dataSize = 0;
     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 */
@@ -264,7 +264,7 @@ status_t SAI_TransferSendEDMA(I2S_Type *base, sai_edma_handle_t *handle, sai_tra
         return kStatus_InvalidArgument;
     }
 
-    if (handle->saiQueue[handle->queueUser].data)
+    if (handle->saiQueue[handle->queueUser].dataSize)
     {
         return kStatus_SAI_QueueFull;
     }