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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
*
* Copyright (c) 2018 Marcin Bukat
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "audio.h"
#include "audiohw.h"
#include "system.h"
#include "panic.h"
#include "alsa-controls.h"
static int hw_init = 0;
static long int vol_l_hw = 255;
static long int vol_r_hw = 255;
static int muted = -1;
void audiohw_mute(int mute)
{
if (!hw_init || muted == mute)
return;
muted = mute;
if(mute)
{
long int ps0 = 0;
alsa_controls_set_ints("Output Port Switch", 1, &ps0);
}
else
{
long int ps2 = 2;
alsa_controls_set_ints("Output Port Switch", 1, &ps2);
}
}
void audiohw_preinit(void)
{
alsa_controls_init("default");
hw_init = 1;
#if defined(AUDIOHW_MUTE_ON_STOP) || defined(AUDIOHW_NEEDS_INITIAL_UNMUTE)
audiohw_mute(true); /* Start muted to avoid the POP */
#else
audiohw_mute(false);
#endif
}
void audiohw_postinit(void)
{
}
void audiohw_close(void)
{
hw_init = 0;
muted = -1;
alsa_controls_close();
}
void audiohw_set_frequency(int fsel)
{
(void)fsel;
}
void audiohw_set_volume(int vol_l, int vol_r)
{
vol_l_hw = -vol_l/5;
vol_r_hw = -vol_r/5;
if (!hw_init)
return;
alsa_controls_set_ints("Left Playback Volume", 1, &vol_l_hw);
alsa_controls_set_ints("Right Playback Volume", 1, &vol_r_hw);
}
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