forked from len0rd/rockbox
58 lines
2 KiB
C
58 lines
2 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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*
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* Copyright (c) 2011 Andrew Ryabinin
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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 "audio.h"
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#include "audiohw.h"
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#include "system.h"
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#include "pcm_sw_volume.h"
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const struct sound_settings_info audiohw_settings[] = {
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[SOUND_VOLUME] = {"dB", 0, 1, VOLUME_MIN/10, VOLUME_MAX/10, 0},
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/* HAVE_SW_TONE_CONTROLS */
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[SOUND_BASS] = {"dB", 0, 1, -24, 24, 0},
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[SOUND_TREBLE] = {"dB", 0, 1, -24, 24, 0},
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[SOUND_BALANCE] = {"%", 0, 1,-100, 100, 0},
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[SOUND_CHANNELS] = {"", 0, 1, 0, 5, 0},
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[SOUND_STEREO_WIDTH] = {"%", 0, 5, 0, 250, 100},
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};
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void audiohw_preinit(void) { }
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void audiohw_postinit(void) { }
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void audiohw_close(void) { }
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void audiohw_set_frequency(int fsel)
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{
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(void)fsel;
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}
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#ifdef HAVE_SW_VOLUME_CONTROL
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void audiohw_set_master_vol(int vol_l, int vol_r)
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{
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/* SW volume for <= 1.0 gain, HW at unity, < VOLUME_MIN == MUTE */
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int sw_volume_l = vol_l < VOLUME_MIN ? PCM_MUTE_LEVEL : MIN(vol_l, 0);
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int sw_volume_r = vol_r < VOLUME_MIN ? PCM_MUTE_LEVEL : MIN(vol_r, 0);
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pcm_set_master_volume(sw_volume_l, sw_volume_r);
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}
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#endif /* HAVE_SW_VOLUME_CONTROL */
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