[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>
diff --git a/sound/pci/mixart/mixart_mixer.c b/sound/pci/mixart/mixart_mixer.c
index ed47b73..13de0f7 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 @@
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 @@
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 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 },
};
/*