linux/sound/drivers/pcsp/pcsp_mixer.c

// SPDX-License-Identifier: GPL-2.0
/*
 * PC-Speaker driver for Linux
 *
 * Mixer implementation.
 * Copyright (C) 2001-2008  Stas Sergeev
 */

#include <sound/core.h>
#include <sound/control.h>
#include "pcsp.h"


static int pcsp_enable_info(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_info *uinfo)
{ … }

static int pcsp_enable_get(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{ … }

static int pcsp_enable_put(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{ … }

static int pcsp_treble_info(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_info *uinfo)
{ … }

static int pcsp_treble_get(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{ … }

static int pcsp_treble_put(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{ … }

static int pcsp_pcspkr_info(struct snd_kcontrol *kcontrol,
			    struct snd_ctl_elem_info *uinfo)
{ … }

static int pcsp_pcspkr_get(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{ … }

static int pcsp_pcspkr_put(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol)
{ … }

#define PCSP_MIXER_CONTROL(ctl_type, ctl_name) …

static const struct snd_kcontrol_new snd_pcsp_controls_pcm[] = …;

static const struct snd_kcontrol_new snd_pcsp_controls_spkr[] = …;

static int snd_pcsp_ctls_add(struct snd_pcsp *chip,
			     const struct snd_kcontrol_new *ctls, int num)
{ … }

int snd_pcsp_new_mixer(struct snd_pcsp *chip, int nopcm)
{ … }