commit 47dcab379986b427f9f92638e9e3d22dfd0a4828
author houssine BOUGUERBA <houssine.bougerba-ext@st.com> Mon Jun 26 09:58:05 2023 +0100
committer houssine BOUGUERBA <houssine.bougerba-ext@st.com> Mon Jun 26 09:58:36 2023 +0100
tree aab38978e203262ab870bd44dd1b47538669f311
parent 3431a9fa81bb5bf18385a36388ae059c93ef7ad1

[HAL][SAI] Improve audio quality (avoid potential glitch)

Src/stm32l5xx_hal_sai.c

diff --git a/Src/stm32l5xx_hal_sai.c b/Src/stm32l5xx_hal_sai.c
index 0d5a2c6..2c37ee1 100644
--- a/Src/stm32l5xx_hal_sai.c
+++ b/Src/stm32l5xx_hal_sai.c
@@ -1377,6 +1377,12 @@
   /* Process Locked */
   __HAL_LOCK(hsai);
 
+  /* Disable SAI peripheral */
+  if (SAI_Disable(hsai) != HAL_OK)
+  {
+    status = HAL_ERROR;
+  }
+
   /* Disable the SAI DMA request */
   hsai->Instance->CR1 &= ~SAI_xCR1_DMAEN;
 
@@ -1396,12 +1402,6 @@
     (void) HAL_DMA_Abort(hsai->hdmarx);
   }
 
-  /* Disable SAI peripheral */
-  if (SAI_Disable(hsai) != HAL_OK)
-  {
-    status = HAL_ERROR;
-  }
-
   /* Flush the fifo */
   SET_BIT(hsai->Instance->CR2, SAI_xCR2_FFLUSH);
 
@@ -1427,6 +1427,12 @@
   /* Process Locked */
   __HAL_LOCK(hsai);
 
+  /* Disable SAI peripheral */
+  if (SAI_Disable(hsai) != HAL_OK)
+  {
+    status = HAL_ERROR;
+  }
+
   /* Check SAI DMA is enabled or not */
   if ((hsai->Instance->CR1 & SAI_xCR1_DMAEN) == SAI_xCR1_DMAEN)
   {
@@ -1454,12 +1460,6 @@
   hsai->Instance->IMR = 0;
   hsai->Instance->CLRFR = 0xFFFFFFFFU;
 
-  /* Disable SAI peripheral */
-  if (SAI_Disable(hsai) != HAL_OK)
-  {
-    status = HAL_ERROR;
-  }
-
   /* Flush the fifo */
   SET_BIT(hsai->Instance->CR2, SAI_xCR2_FFLUSH);