78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2012 by Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "system.h"
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#include "audiohw.h"
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#include "audio.h"
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#include "audioout-imx233.h"
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#include "audioin-imx233.h"
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#include "pinctrl-imx233.h"
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static int input_source = AUDIO_SRC_PLAYBACK;
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static unsigned input_flags = 0;
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static int output_source = AUDIO_SRC_PLAYBACK;
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static bool initialized = false;
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static void init(void)
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{
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/* HP gate */
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imx233_pinctrl_acquire_pin(1, 30, "hp gate");
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imx233_set_pin_function(1, 30, PINCTRL_FUNCTION_GPIO);
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imx233_enable_gpio_output(1, 30, true);
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imx233_set_gpio_output(1, 30, false);
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/* SPKR gate */
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imx233_pinctrl_acquire_pin(1, 22, "spkr gate");
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imx233_set_pin_function(1, 22, PINCTRL_FUNCTION_GPIO);
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imx233_enable_gpio_output(1, 22, true);
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imx233_set_gpio_output(1, 22, false);
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initialized = true;
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}
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static void select_audio_path(void)
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{
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if(!initialized)
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init();
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/* route audio to HP */
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imx233_set_gpio_output(1, 30, true);
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if(input_source == AUDIO_SRC_PLAYBACK)
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imx233_audioout_select_hp_input(false);
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else
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imx233_audioout_select_hp_input(true);
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}
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void audio_input_mux(int source, unsigned flags)
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{
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(void) source;
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(void) flags;
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input_source = source;
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input_flags = flags;
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select_audio_path();
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}
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void audio_set_output_source(int source)
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{
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(void) source;
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output_source = source;
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select_audio_path();
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}
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