1 files changed, 17 insertions, 6 deletions

diff --git a/sound/usb/usbmixer_maps.c b/sound/usb/usbmixer_maps.c
index 77c35885e21..79e903a6086 100644
--- a/sound/usb/usbmixer_maps.c
+++ b/sound/usb/usbmixer_maps.c
@@ -19,11 +19,16 @@
  *
  */
 
+struct usbmix_dB_map {
+        u32 min;
+        u32 max;
+};
 
 struct usbmix_name_map {
         int id;
         const char *name;
         int control;
+        struct usbmix_dB_map *dB;
 };
 
 struct usbmix_selector_map {
@@ -72,7 +77,7 @@ static struct usbmix_name_map extigy_map[] = {
         { 8, "Line Playback" }, /* FU */
         /* 9: IT mic */
         { 10, "Mic Playback" }, /* FU */
-        { 11, "Capture Input Source" }, /* SU */
+        { 11, "Capture Source" }, /* SU */
         { 12, "Capture" }, /* FU */
         /* 13: OT pcm capture */
         /* 14: MU (w/o controls) */
@@ -102,6 +107,9 @@ static struct usbmix_name_map extigy_map[] = {
  * e.g. no Master and fake PCM volume
  *                      Pavel Mihaylov <bin@bash.info>
  */
+static struct usbmix_dB_map mp3plus_dB_1 = {-4781, 0};  /* just guess */
+static struct usbmix_dB_map mp3plus_dB_2 = {-1781, 618}; /* just guess */
+
 static struct usbmix_name_map mp3plus_map[] = {
         /* 1: IT pcm */
         /* 2: IT mic */
@@ -110,16 +118,19 @@ static struct usbmix_name_map mp3plus_map[] = {
         /* 5: OT digital out */
         /* 6: OT speaker */
         /* 7: OT pcm capture */
-        { 8, "Capture Input Source" }, /* FU, default PCM Capture Source */
+        { 8, "Capture Source" }, /* FU, default PCM Capture Source */
                 /* (Mic, Input 1 = Line input, Input 2 = Optical input) */
         { 9, "Master Playback" }, /* FU, default Speaker 1 */
         /* { 10, "Mic Capture", 1 }, */ /* FU, Mic Capture */
-        /* { 10, "Mic Capture", 2 }, */ /* FU, Mic Capture */
+        { 10, /* "Mic Capture", */ NULL, 2, .dB = &mp3plus_dB_2 },
+                /* FU, Mic Capture */
         { 10, "Mic Boost", 7 }, /* FU, default Auto Gain Input */
-        { 11, "Line Capture" }, /* FU, default PCM Capture */
+        { 11, "Line Capture", .dB = &mp3plus_dB_2 },
+                /* FU, default PCM Capture */
         { 12, "Digital In Playback" }, /* FU, default PCM 1 */
-        /* { 13, "Mic Playback" }, */ /* FU, default Mic Playback */
-        { 14, "Line Playback" }, /* FU, default Speaker */
+        { 13, /* "Mic Playback", */ .dB = &mp3plus_dB_1 },
+                /* FU, default Mic Playback */
+        { 14, "Line Playback", .dB = &mp3plus_dB_1 }, /* FU, default Speaker */
         /* 15: MU */
         { 0 } /* terminator */
 };