firmware/target/arm/imx233/creative-zenxfi3/audio-zenxfi3.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2012 by Amaury Pouly
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include "config.h"
  22 #include "system.h"
  23 #include "audiohw.h"
  24 #include "audio.h"
  25 #include "audioout-imx233.h"
  26 #include "audioin-imx233.h"
  27 #include "pinctrl-imx233.h"
  28
  29 static int input_source = AUDIO_SRC_PLAYBACK;
  30 static unsigned input_flags = 0;
  31 static int output_source = AUDIO_SRC_PLAYBACK;
  32
  33 static void select_audio_path(void)
  34 {
  35     /* route audio to HP */
  36     imx233_set_pin_function(1, 30, PINCTRL_FUNCTION_GPIO);
  37     imx233_enable_gpio_output(1, 30, true);
  38     imx233_set_gpio_output(1, 30, true);
  39
  40     if(input_source == AUDIO_SRC_PLAYBACK)
  41         imx233_audioout_select_hp_input(false);
  42     else
  43         imx233_audioout_select_hp_input(true);
  44 }
  45
  46 void audio_input_mux(int source, unsigned flags)
  47 {
  48     (void) source;
  49     (void) flags;
  50     input_source = source;
  51     input_flags = flags;
  52     select_audio_path();
  53 }
  54
  55 void audio_set_output_source(int source)
  56 {
  57     (void) source;
  58     output_source = source;
  59     select_audio_path();
  60 }
  61