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diff --git a/Drivers/CMSIS/NN/Source/SoftmaxFunctions/arm_softmax_s8_s16.c b/Drivers/CMSIS/NN/Source/SoftmaxFunctions/arm_softmax_s8_s16.c
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+++ b/Drivers/CMSIS/NN/Source/SoftmaxFunctions/arm_softmax_s8_s16.c
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+/*
+ * Copyright (C) 2022 Arm Limited or its affiliates.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* ----------------------------------------------------------------------
+ * Project:      CMSIS NN Library
+ * Title:        arm_softmax_s8_s16.c
+ * Description:  S8 to s16 softmax function
+ *
+ * $Date:        7 January 2022
+ * $Revision:    V.1.0.0
+ *
+ * Target Processor:  Cortex-M cores
+ *
+ * -------------------------------------------------------------------- */
+
+#include "arm_nnfunctions.h"
+#include "arm_nnsupportfunctions.h"
+
+/**
+ *  @ingroup groupNN
+ */
+
+/**
+ * @addtogroup Softmax
+ * @{
+ */
+
+void arm_softmax_s8_s16(const int8_t *input,
+                        const int32_t num_rows,
+                        const int32_t row_size,
+                        const int32_t mult,
+                        const int32_t shift,
+                        const int32_t diff_min,
+                        int16_t *output)
+{
+    arm_nn_softmax_common_s8(input, num_rows, row_size, mult, shift, diff_min, true, (void *)output);
+}
+/**
+ * @} end of Softmax group
+ */