[ALSA] Add dB scale information to ice1724 driver

Added the dB scale information to each board support code of ice1724 driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 14 insertions, 0 deletions

diff --git a/sound/pci/ice1712/prodigy192.c b/sound/pci/ice1712/prodigy192.c
index fdb5cb8fac97..41b2605daa3a 100644
--- a/sound/pci/ice1712/prodigy192.c
+++ b/sound/pci/ice1712/prodigy192.c
@@ -35,6 +35,7 @@
 #include "envy24ht.h"
 #include "prodigy192.h"
 #include "stac946x.h"
+#include <sound/tlv.h>
 
 static inline void stac9460_put(struct snd_ice1712 *ice, int reg, unsigned char val)
 {
@@ -356,6 +357,9 @@ static int aureon_oversampling_put(struct snd_kcontrol *kcontrol, struct snd_ctl
 }
 #endif
 
+static DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0);
+static DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0);
+
 /*
  * mixers
  */
@@ -368,14 +372,18 @@ static struct snd_kcontrol_new stac_controls[] __devinitdata = {
                 .get = stac9460_dac_mute_get,
                 .put = stac9460_dac_mute_put,
                 .private_value = 1,
+                .tlv = { .p = db_scale_dac }
         },
         {
                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+                .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                           SNDRV_CTL_ELEM_ACCESS_TLV_READ),
                 .name = "Master Playback Volume",
                 .info = stac9460_dac_vol_info,
                 .get = stac9460_dac_vol_get,
                 .put = stac9460_dac_vol_put,
                 .private_value = 1,
+                .tlv = { .p = db_scale_dac }
         },
         {
                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
@@ -387,11 +395,14 @@ static struct snd_kcontrol_new stac_controls[] __devinitdata = {
         },
         {
                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+                .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                           SNDRV_CTL_ELEM_ACCESS_TLV_READ),
                 .name = "DAC Volume",
                 .count = 6,
                 .info = stac9460_dac_vol_info,
                 .get = stac9460_dac_vol_get,
                 .put = stac9460_dac_vol_put,
+                .tlv = { .p = db_scale_dac }
         },
         {
                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
@@ -404,11 +415,14 @@ static struct snd_kcontrol_new stac_controls[] __devinitdata = {
         },
         {
                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+                .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                           SNDRV_CTL_ELEM_ACCESS_TLV_READ),
                 .name = "ADC Volume",
                 .count = 1,
                 .info = stac9460_adc_vol_info,
                 .get = stac9460_adc_vol_get,
                 .put = stac9460_adc_vol_put,
+                .tlv = { .p = db_scale_adc }
         },
 #if 0
         {