[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, 9 insertions, 0 deletions

diff --git a/sound/pci/ice1712/pontis.c b/sound/pci/ice1712/pontis.c
index 0efcad9260a5..6c74c2d2e7f3 100644
--- a/sound/pci/ice1712/pontis.c
+++ b/sound/pci/ice1712/pontis.c
@@ -31,6 +31,7 @@
 
 #include <sound/core.h>
 #include <sound/info.h>
+#include <sound/tlv.h>
 
 #include "ice1712.h"
 #include "envy24ht.h"
@@ -564,6 +565,8 @@ static int pontis_gpio_data_put(struct snd_kcontrol *kcontrol, struct snd_ctl_el
         return changed;
 }
 
+static DECLARE_TLV_DB_SCALE(db_scale_volume, -6400, 50, 1);
+
 /*
  * mixers
  */
@@ -571,17 +574,23 @@ static int pontis_gpio_data_put(struct snd_kcontrol *kcontrol, struct snd_ctl_el
 static struct snd_kcontrol_new pontis_controls[] __devinitdata = {
         {
                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+                .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                           SNDRV_CTL_ELEM_ACCESS_TLV_READ),
                 .name = "PCM Playback Volume",
                 .info = wm_dac_vol_info,
                 .get = wm_dac_vol_get,
                 .put = wm_dac_vol_put,
+                .tlv = { .p = db_scale_volume },
         },
         {
                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+                .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                           SNDRV_CTL_ELEM_ACCESS_TLV_READ),
                 .name = "Capture Volume",
                 .info = wm_adc_vol_info,
                 .get = wm_adc_vol_get,
                 .put = wm_adc_vol_put,
+                .tlv = { .p = db_scale_volume },
         },
         {
                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,