97e08f5d73
This solves the problem with mixers wrongly displaying the PWM freq. Signed-off-by: Stas Sergeev <stsp@aknet.ru> Signed-off-by: Takashi Iwai <tiwai@suse.de>
145 lines
3.6 KiB
C
145 lines
3.6 KiB
C
/*
|
|
* 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)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
|
|
uinfo->count = 1;
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int pcsp_enable_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
|
|
ucontrol->value.integer.value[0] = chip->enable;
|
|
return 0;
|
|
}
|
|
|
|
static int pcsp_enable_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
|
|
int changed = 0;
|
|
int enab = ucontrol->value.integer.value[0];
|
|
if (enab != chip->enable) {
|
|
chip->enable = enab;
|
|
changed = 1;
|
|
}
|
|
return changed;
|
|
}
|
|
|
|
static int pcsp_treble_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
|
|
uinfo->count = 1;
|
|
uinfo->value.enumerated.items = chip->max_treble + 1;
|
|
if (uinfo->value.enumerated.item > chip->max_treble)
|
|
uinfo->value.enumerated.item = chip->max_treble;
|
|
sprintf(uinfo->value.enumerated.name, "%d",
|
|
PCSP_CALC_RATE(uinfo->value.enumerated.item));
|
|
return 0;
|
|
}
|
|
|
|
static int pcsp_treble_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
|
|
ucontrol->value.enumerated.item[0] = chip->treble;
|
|
return 0;
|
|
}
|
|
|
|
static int pcsp_treble_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
|
|
int changed = 0;
|
|
int treble = ucontrol->value.enumerated.item[0];
|
|
if (treble != chip->treble) {
|
|
chip->treble = treble;
|
|
#if PCSP_DEBUG
|
|
printk(KERN_INFO "PCSP: rate set to %i\n", PCSP_RATE());
|
|
#endif
|
|
changed = 1;
|
|
}
|
|
return changed;
|
|
}
|
|
|
|
static int pcsp_pcspkr_info(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
|
|
uinfo->count = 1;
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int pcsp_pcspkr_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
|
|
ucontrol->value.integer.value[0] = chip->pcspkr;
|
|
return 0;
|
|
}
|
|
|
|
static int pcsp_pcspkr_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_pcsp *chip = snd_kcontrol_chip(kcontrol);
|
|
int changed = 0;
|
|
int spkr = ucontrol->value.integer.value[0];
|
|
if (spkr != chip->pcspkr) {
|
|
chip->pcspkr = spkr;
|
|
changed = 1;
|
|
}
|
|
return changed;
|
|
}
|
|
|
|
#define PCSP_MIXER_CONTROL(ctl_type, ctl_name) \
|
|
{ \
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
|
|
.name = ctl_name, \
|
|
.info = pcsp_##ctl_type##_info, \
|
|
.get = pcsp_##ctl_type##_get, \
|
|
.put = pcsp_##ctl_type##_put, \
|
|
}
|
|
|
|
static struct snd_kcontrol_new __devinitdata snd_pcsp_controls[] = {
|
|
PCSP_MIXER_CONTROL(enable, "Master Playback Switch"),
|
|
PCSP_MIXER_CONTROL(treble, "BaseFRQ Playback Volume"),
|
|
PCSP_MIXER_CONTROL(pcspkr, "PC Speaker Playback Switch"),
|
|
};
|
|
|
|
int __devinit snd_pcsp_new_mixer(struct snd_pcsp *chip)
|
|
{
|
|
struct snd_card *card = chip->card;
|
|
int i, err;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(snd_pcsp_controls); i++) {
|
|
err = snd_ctl_add(card,
|
|
snd_ctl_new1(snd_pcsp_controls + i,
|
|
chip));
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
|
|
strcpy(card->mixername, "PC-Speaker");
|
|
|
|
return 0;
|
|
}
|