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authorTakashi Iwai <tiwai@suse.de>2006-09-01 17:09:44 +0200
committerJaroslav Kysela <perex@suse.cz>2006-09-23 10:45:37 +0200
commit35a49934a7180fd80fb0bb3777d125dd939df50e (patch)
treed52c57ca6531555182d3082ebb509f5f3840a1d4 /sound
parent2fd53a7e9b1392f9cc3002a24f3c13b2796e70c3 (diff)
downloadlinux-linaro-35a49934a7180fd80fb0bb3777d125dd939df50e.tar.gz
[ALSA] Add dB scale information to mixart driver
Added the dB scale information to mixart driver. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/mixart/mixart_mixer.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/pci/mixart/mixart_mixer.c b/sound/pci/mixart/mixart_mixer.c
index ed47b732c10..13de0f71d4b 100644
--- a/sound/pci/mixart/mixart_mixer.c
+++ b/sound/pci/mixart/mixart_mixer.c
@@ -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 },
};
/*