text: /* Copyright 2016 The Chromium OS Authors. All rights reserved.
   * Use of this source code is governed by a BSD-style license that can be
   * found in the LICENSE file.
   */
  
  /**
   * Select DMA stream-channel mapping
   *
   * This selects which stream (peripheral) to be used on a specific channel.
   * Some STM32 chips simply logically OR requests, thus do not require this
   * selection.
   *
   * @param channel: (Global) channel # base 0 (Note some STM32s use base 1)
   * @param peripheral: Refer to the TRM for 'peripheral request signals'
   */
  void dma_select_channel(enum dma_channel channel, unsigned char stream);
  