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[ALSA] Add dB scale information to mixart driver

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Added the dB scale information to mixart driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai 2006-09-01 17:09:44 +02:00 committed by Jaroslav Kysela
parent 2fd53a7e9b
commit 35a49934a7
1 changed files with 14 additions and 0 deletions
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14
sound/pci/mixart/mixart_mixer.c
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@ -31,6 +31,7 @@
#include "mixart_core.h"
#include "mixart_hwdep.h"
#include <sound/control.h>
#include <sound/tlv.h>
#include "mixart_mixer.h"
static u32 mixart_analog_level[256] = {
@ -388,12 +389,17 @@ static int mixart_analog_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
return changed;
}
static DECLARE_TLV_DB_SCALE(db_scale_analog, -9600, 50, 0);
static struct snd_kcontrol_new mixart_control_analog_level = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
/* name will be filled later */
.info = mixart_analog_vol_info,
.get = mixart_analog_vol_get,
.put = mixart_analog_vol_put,
.tlv = { .p = db_scale_analog },
};
/* shared */
@ -866,14 +872,19 @@ static int mixart_pcm_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
return changed;
}
static DECLARE_TLV_DB_SCALE(db_scale_digital, -10950, 50, 0);
static struct snd_kcontrol_new snd_mixart_pcm_vol =
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
/* name will be filled later */
/* count will be filled later */
.info = mixart_digital_vol_info, /* shared */
.get = mixart_pcm_vol_get,
.put = mixart_pcm_vol_put,
.tlv = { .p = db_scale_digital },
};
@ -984,10 +995,13 @@ static int mixart_monitor_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_
static struct snd_kcontrol_new mixart_control_monitor_vol = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.name = "Monitoring Volume",
.info = mixart_digital_vol_info, /* shared */
.get = mixart_monitor_vol_get,
.put = mixart_monitor_vol_put,
.tlv = { .p = db_scale_digital },
};
/*