[ALSA] Add dB scale information to vxpocket and vx222 drivers

Added the dB scale information to vxpocket and vx222 drivers.

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

2 files changed, 16 insertions, 0 deletions

diff --git a/sound/pci/vx222/vx222.c b/sound/pci/vx222/vx222.c
index 9c03c6b4e490..e7cd8acab59a 100644
--- a/sound/pci/vx222/vx222.c
+++ b/sound/pci/vx222/vx222.c
@@ -26,6 +26,7 @@
 #include <linux/moduleparam.h>
 #include <sound/core.h>
 #include <sound/initval.h>
+#include <sound/tlv.h>
 #include "vx222.h"
 
 #define CARD_NAME "VX222"
@@ -72,6 +73,9 @@ MODULE_DEVICE_TABLE(pci, snd_vx222_ids);
 /*
  */
 
+static DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
+static DECLARE_TLV_DB_SCALE(db_scale_akm, -7350, 50, 0);
+
 static struct snd_vx_hardware vx222_old_hw = {
 
         .name = "VX222/Old",
@@ -81,6 +85,7 @@ static struct snd_vx_hardware vx222_old_hw = {
         .num_ins = 1,
         .num_outs = 1,
         .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
+        .output_level_db_scale = db_scale_old_vol,
 };
 
 static struct snd_vx_hardware vx222_v2_hw = {
@@ -92,6 +97,7 @@ static struct snd_vx_hardware vx222_v2_hw = {
         .num_ins = 1,
         .num_outs = 1,
         .output_level_max = VX2_AKM_LEVEL_MAX,
+        .output_level_db_scale = db_scale_akm,
 };
 
 static struct snd_vx_hardware vx222_mic_hw = {
@@ -103,6 +109,7 @@ static struct snd_vx_hardware vx222_mic_hw = {
         .num_ins = 1,
         .num_outs = 1,
         .output_level_max = VX2_AKM_LEVEL_MAX,
+        .output_level_db_scale = db_scale_akm,
 };
 
 
diff --git a/sound/pci/vx222/vx222_ops.c b/sound/pci/vx222/vx222_ops.c
index 9b6d345b83a6..5e51950e05f9 100644
--- a/sound/pci/vx222/vx222_ops.c
+++ b/sound/pci/vx222/vx222_ops.c
@@ -28,6 +28,7 @@
 
 #include <sound/core.h>
 #include <sound/control.h>
+#include <sound/tlv.h>
 #include <asm/io.h>
 #include "vx222.h"
 
@@ -845,6 +846,8 @@ static void vx2_set_input_level(struct snd_vx222 *chip)
 
 #define MIC_LEVEL_MAX   0xff
 
+static DECLARE_TLV_DB_SCALE(db_scale_mic, -6450, 50, 0);
+
 /*
  * controls API for input levels
  */
@@ -922,18 +925,24 @@ static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
 
 static struct snd_kcontrol_new vx_control_input_level = {
         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
+        .access =       (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                         SNDRV_CTL_ELEM_ACCESS_TLV_READ),
         .name =         "Capture Volume",
         .info =         vx_input_level_info,
         .get =          vx_input_level_get,
         .put =          vx_input_level_put,
+        .tlv = { .p = db_scale_mic },
 };
 
 static struct snd_kcontrol_new vx_control_mic_level = {
         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
+        .access =       (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+                         SNDRV_CTL_ELEM_ACCESS_TLV_READ),
         .name =         "Mic Capture Volume",
         .info =         vx_mic_level_info,
         .get =          vx_mic_level_get,
         .put =          vx_mic_level_put,
+        .tlv = { .p = db_scale_mic },
 };
 
 /*