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Diffstat (limited to 'firmware/target/hosted/pcm-alsa.h')
| -rw-r--r-- | firmware/target/hosted/pcm-alsa.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/firmware/target/hosted/pcm-alsa.h b/firmware/target/hosted/pcm-alsa.h new file mode 100644 index 0000000000..a2514494de --- /dev/null +++ b/firmware/target/hosted/pcm-alsa.h @@ -0,0 +1,31 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * + * Copyright (C) 2016 Amaury Pouly + * + * 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. + * + ****************************************************************************/ +#ifndef __PCM_ALSA_RB_H__ +#define __PCM_ALSA_RB_H__ + +#include <config.h> + +#ifdef SONY_NWZ_LINUX +/* Set the PCM volume in dB: each sample with have this volume applied digitally + * before being sent to ALSA. Volume must satisfy -43 <= dB <= 0 */ +void pcm_alsa_set_digital_volume(int vol_db); +#endif + +#endif /* __PCM_ALSA_RB_H__ */ |