First Dev version with Volume Ramping

20 files changed, 813 insertions, 598 deletions

diff --git a/ALSA-afb/Alsa-AddCtl.c b/ALSA-afb/Alsa-AddCtl.c
index b7e3d90..7a68ab5 100644
--- a/ALSA-afb/Alsa-AddCtl.c
+++ b/ALSA-afb/Alsa-AddCtl.c
@@ -29,7 +29,7 @@
 #include "Alsa-ApiHat.h"
 
 // Performs like a toggle switch for attenuation, because they're bool (ref:user-ctl-element-set.c)
-static const unsigned int *allocate_bool_elem_set_tlv (void) {
+static const unsigned int *allocate_bool_fake_tlv (void) {
         static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(range, -10000, 0);
         unsigned int *tlv= malloc(sizeof(range));
         if (tlv == NULL) return NULL;
@@ -37,8 +37,30 @@ static const unsigned int *allocate_bool_elem_set_tlv (void) {
         return tlv;
 }
 
+static const unsigned int *allocate_int_dbscale_tlv (int min, int step, int mute) {
+        // SNDRV_CTL_TLVD_DECLARE_DB_SCALE(range, min, step, mute);
+        size_t tlvSize = sizeof(4*sizeof(int*));
+        unsigned int *tlv= malloc(tlvSize);
+        tlv[0]=SNDRV_CTL_TLVT_DB_LINEAR;
+        tlv[1]=(int)tlvSize; 
+        tlv[2]=min*100;
+        tlv[3] = ((step*100) & SNDRV_CTL_TLVD_DB_SCALE_MASK) | ((mute*100) ? SNDRV_CTL_TLVD_DB_SCALE_MUTE : 0);
+        return tlv;
+}
+
+static const unsigned int *allocate_int_linear_tlv (int max, int min) {
+        // SNDRV_CTL_TLVD_DECLARE_DB_LINEAR (range, min, max);
+        size_t tlvSize = sizeof(4*sizeof(int*));
+        unsigned int *tlv= malloc(tlvSize);
+        tlv[0]=SNDRV_CTL_TLVT_DB_SCALE;
+        tlv[1]=(int)tlvSize; 
+        tlv[2]=-min*100;
+        tlv[3]=max*100;
+        return tlv;
+}
+
 STATIC json_object * addOneSndCtl(afb_req request, snd_ctl_t  *ctlDev, json_object *ctlJ, halQueryMode queryMode) {
-    int err, ctlNumid;
+    int err, ctlNumid, ctlValue;
     json_object *tmpJ;
     const char *ctlName;
     ctlRequestT ctlRequest;    
@@ -53,7 +75,7 @@ STATIC json_object * addOneSndCtl(afb_req request, snd_ctl_t  *ctlDev, json_obje
     json_object_object_get_ex (ctlJ, "name" , &tmpJ);
     ctlName  = json_object_get_string(tmpJ);
     
-    json_object_object_get_ex (ctlJ, "numid" , &tmpJ);
+    json_object_object_get_ex (ctlJ, "ctl" , &tmpJ);
     ctlNumid  = json_object_get_int(tmpJ);
     
     if (!ctlNumid && !ctlName) {
@@ -70,17 +92,30 @@ STATIC json_object * addOneSndCtl(afb_req request, snd_ctl_t  *ctlDev, json_obje
     if (!err) {
         snd_ctl_elem_id_alloca(&elemId);    
         snd_ctl_elem_info_get_id(elemInfo, elemId);
-        if (ctlNumid) goto OnSucessExit; // hardware control nothing todo
+        if (snd_ctl_elem_info_get_numid(elemInfo)) goto OnSucessExit; // hardware control nothing todo
         else {  // user created kcontrol should be removable  
             err = snd_ctl_elem_remove(ctlDev, elemId);
-            AFB_NOTICE ("ctlName=%s numid=%d fail to reset", snd_ctl_elem_info_get_name(elemInfo), snd_ctl_elem_info_get_numid(elemInfo));
-            goto OnErrorExit;
+            if (err < 0) {
+                afb_req_fail_f (request, "ctl-reset-fail", "ctlName=%s numid=%d fail to reset", snd_ctl_elem_info_get_name(elemInfo), snd_ctl_elem_info_get_numid(elemInfo));
+                goto OnErrorExit;
+            } else elemInfo=NULL; // we remove control elemInfo is not valid anymore
         }
     }
+
+    // Control was deleted need to refresh elemInfo
+    if (!elemInfo) {
+        snd_ctl_elem_info_alloca(&elemInfo);
+        if (ctlName) snd_ctl_elem_info_set_name (elemInfo, ctlName);
+        snd_ctl_elem_info_set_interface (elemInfo, SND_CTL_ELEM_IFACE_MIXER);
+        snd_ctl_elem_info(ctlDev, elemInfo);
+    }
     
     // default for json_object_get_int is zero
     json_object_object_get_ex (ctlJ, "min" , &tmpJ);
     ctlMin = json_object_get_int(tmpJ);
+    
+    json_object_object_get_ex (ctlJ, "value" , &tmpJ);
+    ctlValue = json_object_get_int(tmpJ);
 
     json_object_object_get_ex (ctlJ, "max" , &tmpJ);
     if (!tmpJ) ctlMax=1;
@@ -91,7 +126,7 @@ STATIC json_object * addOneSndCtl(afb_req request, snd_ctl_t  *ctlDev, json_obje
     else ctlStep = json_object_get_int(tmpJ);
     
     json_object_object_get_ex (ctlJ, "count" , &tmpJ);
-    if (!tmpJ) ctlCount=2;
+    if (!tmpJ) ctlCount=1;
     else ctlCount = json_object_get_int(tmpJ);
 
     json_object_object_get_ex (ctlJ, "snddev" , &tmpJ);
@@ -113,17 +148,17 @@ STATIC json_object * addOneSndCtl(afb_req request, snd_ctl_t  *ctlDev, json_obje
     
     switch (ctlType) {
         case SND_CTL_ELEM_TYPE_BOOLEAN:
-            err = snd_ctl_add_boolean_elem_set(ctlDev, elemInfo, 1, ctlCount);
+            err = snd_ctl_add_boolean_elem_set(ctlDev, elemInfo, ctlCount, ctlCount);
             if (err) {
                 afb_req_fail_f (request, "ctl-invalid-bool", "devid=%s crl=%s invalid boolean data", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
                 goto OnErrorExit;                
             }            
 
-            elemTlv = allocate_bool_elem_set_tlv();
+            elemTlv = allocate_bool_fake_tlv();
                     
             // Provide FALSE as default value
             for (int idx=0; idx < ctlCount; idx ++) {
-                snd_ctl_elem_value_set_boolean (elemValue, idx, 1);
+                snd_ctl_elem_value_set_boolean (elemValue, idx, ctlValue);
             }           
             break;
             
@@ -136,27 +171,79 @@ STATIC json_object * addOneSndCtl(afb_req request, snd_ctl_t  *ctlDev, json_obje
 
             // Provide 0 as default value
             for (int idx=0; idx < ctlCount; idx ++) {
-                snd_ctl_elem_value_set_integer (elemValue, idx, 0);
-            }            
+                snd_ctl_elem_value_set_integer (elemValue, idx, ctlValue);
+            }
+
+            // Fulup needed to be tested with some dB expert !!!
+            json_object *dbscaleJ;
+            if (json_object_object_get_ex (ctlJ, "dbscale" , &dbscaleJ)) {
+                if (json_object_get_type(dbscaleJ) != json_type_object) {
+                    afb_req_fail_f (request, "ctl-invalid-dbscale", "devid=%s crl=%s invalid json in integer control", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
+                    goto OnErrorExit;
+                    
+                    json_object_object_get_ex (ctlJ, "min" , &tmpJ);
+                    int min = json_object_get_int(tmpJ);
+                    if (min >= 0) {
+                        afb_req_fail_f (request, "ctl-invalid-dbscale", "devid=%s crl=%s min should be a negative number", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
+                        goto OnErrorExit;                        
+                    }
+                    
+                    // default value 0=mute
+                    json_object_object_get_ex (ctlJ, "max" , &tmpJ);
+                    int max = json_object_get_int(tmpJ);
+                    
+                    // default value 1dB
+                    json_object_object_get_ex (ctlJ, "step" , &tmpJ);
+                    int step = json_object_get_int(tmpJ);
+                    if (step <= 0) step=1;
+                    
+                    elemTlv = allocate_int_dbscale_tlv (min, max, step);
+                    
+                }
+            } else {
+                // provide a fake linear TLV
+                elemTlv = allocate_int_linear_tlv (ctlMin, ctlMax);
+            }
             break;
             
-        case SND_CTL_ELEM_TYPE_INTEGER64:
-            err = snd_ctl_add_integer64_elem_set (ctlDev, elemInfo, 1, ctlCount, ctlMin, ctlMax, ctlStep);
+            
+        case SND_CTL_ELEM_TYPE_ENUMERATED: {
+            json_object *enumsJ;
+            json_object_object_get_ex (ctlJ, "enums" , &enumsJ);
+            if (json_object_get_type(enumsJ) != json_type_array) {
+                afb_req_fail_f (request, "ctl-missing-enums", "devid=%s crl=%s mandatory enum=xxx missing in enumerated control", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
+                goto OnErrorExit;                                
+            }
+            
+            int length = json_object_array_length(enumsJ);
+            const char **enumlabels = malloc(length*sizeof(char*));
+            
+            for (int jdx=0; jdx < length; jdx++) {
+                tmpJ = json_object_array_get_idx(enumsJ, jdx);
+                enumlabels[jdx] = json_object_get_string(tmpJ);
+            }
+            
+            err = snd_ctl_add_enumerated_elem_set (ctlDev, elemInfo, 1, ctlCount, length, enumlabels);
             if (err) {
-                afb_req_fail_f (request, "ctl-invalid-bool", "devid=%s crl=%s invalid boolean data", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
+                afb_req_fail_f (request, "ctl-invalid-bool", "devid=%s crl=%s invalid enumerated control", snd_ctl_name(ctlDev), json_object_get_string(ctlJ));
                 goto OnErrorExit;                
             }            
-
+            
             // Provide 0 as default value
             for (int idx=0; idx < ctlCount; idx ++) {
-                snd_ctl_elem_value_set_integer64 (elemValue, idx, 0);
+                snd_ctl_elem_value_set_enumerated (elemValue, idx, ctlValue);
             }            
-            break;
+
+            elemTlv = allocate_bool_fake_tlv();
             
-        case SND_CTL_ELEM_TYPE_ENUMERATED:            
+            break;
+        }
+        
+        // Long Term Waiting ToDoList
+        case SND_CTL_ELEM_TYPE_INTEGER64:
         case SND_CTL_ELEM_TYPE_BYTES:
         default:
-            afb_req_fail_f (request, "ctl-invalid-type", "crl=%s invalid/unknown type", json_object_get_string(ctlJ));
+            afb_req_fail_f (request, "ctl-invalid-type", "crl=%s unsupported/unknown element type", json_object_get_string(ctlJ));
             goto OnErrorExit;                
     }
 
@@ -177,7 +264,7 @@ STATIC json_object * addOneSndCtl(afb_req request, snd_ctl_t  *ctlDev, json_obje
             afb_req_fail_f (request, "TLV-write-fail", "crl=%s numid=%d fail to write data error=%s", json_object_get_string(ctlJ), snd_ctl_elem_info_get_numid(elemInfo), snd_strerror(err));
             goto OnErrorExit;                
         }
-    }    
+    } 
 
     // return newly created as a JSON object
     OnSucessExit:
@@ -225,9 +312,9 @@ PUBLIC void alsaAddCustomCtls(afb_req request) {
      
     switch (json_object_get_type(ctlsJ)) { 
         case json_type_object:
-             ctlsValues= addOneSndCtl(request, ctlDev, ctlsJ, queryMode);
-             
-             break;
+            ctlsValues= addOneSndCtl(request, ctlDev, ctlsJ, queryMode);
+            if (!ctlsValues) goto OnErrorExit; 
+            break;
         
         case json_type_array:
             ctlsValues= json_object_new_array();
@@ -235,6 +322,7 @@ PUBLIC void alsaAddCustomCtls(afb_req request) {
                 json_object *ctlJ = json_object_array_get_idx (ctlsJ, idx);
                 ctlValues= addOneSndCtl(request, ctlDev, ctlJ, queryMode) ;
                 if (ctlValues) json_object_array_add (ctlsValues, ctlValues);
+                else goto OnErrorExit; 
             }
             break;
             
@@ -247,6 +335,6 @@ PUBLIC void alsaAddCustomCtls(afb_req request) {
     afb_req_success(request, ctlsValues, NULL);
             
     OnErrorExit:
-        if (ctlDev) snd_ctl_close(ctlDev);   
+        if (ctlDev) snd_ctl_close(ctlDev);    
         return;
 }
\ No newline at end of file
diff --git a/ALSA-afb/Alsa-RegEvt.c b/ALSA-afb/Alsa-RegEvt.c
index df6570a..add3944 100644
--- a/ALSA-afb/Alsa-RegEvt.c
+++ b/ALSA-afb/Alsa-RegEvt.c
@@ -71,7 +71,7 @@ OnErrorExit:
 
 // This routine is called when ALSA event are fired
 STATIC  int sndCtlEventCB (sd_event_source* src, int fd, uint32_t revents, void* userData) {
-    int err;
+    int err, ctlNumid;
     evtHandleT *evtHandle = (evtHandleT*)userData; 
     snd_ctl_event_t *eventId;
     json_object *ctlEventJ;
@@ -79,12 +79,12 @@ STATIC  int sndCtlEventCB (sd_event_source* src, int fd, uint32_t revents, void*
     int iface;
     int device;
     int subdev;
-    const char*devname;
+    const char*ctlName;
     ctlRequestT ctlRequest;
     snd_ctl_elem_id_t *elemId;
     
     if ((revents & EPOLLHUP) != 0) {
-        AFB_NOTICE( "SndCtl hanghup [car disconnected]");
+        AFB_NOTICE("SndCtl hanghup [car disconnected]");
         goto ExitOnSucess;
     }
     
@@ -108,21 +108,30 @@ STATIC  int sndCtlEventCB (sd_event_source* src, int fd, uint32_t revents, void*
         
         err = alsaGetSingleCtl (evtHandle->ctlDev, elemId, &ctlRequest, evtHandle->mode);
         if (err) goto OnErrorExit;
+               
+        // If CTL as a value use it as container for response
+        if (ctlRequest.valuesJ) ctlEventJ= ctlRequest.valuesJ;
+        else {
+            ctlEventJ = json_object_new_object();
+            ctlNumid = snd_ctl_event_elem_get_numid(eventId);
+            json_object_object_add(ctlEventJ, "id",json_object_new_int (ctlNumid));
+        }
 
-        iface  = snd_ctl_event_elem_get_interface(eventId);
-        device = snd_ctl_event_elem_get_device(eventId);
-        subdev = snd_ctl_event_elem_get_subdevice(eventId);
-        devname= snd_ctl_event_elem_get_name(eventId);
-        
-        // proxy ctlevent as a binder event        
-        ctlEventJ = json_object_new_object();
-        json_object_object_add(ctlEventJ, "device" ,json_object_new_int (device));
-        json_object_object_add(ctlEventJ, "subdev" ,json_object_new_int (subdev));
-        if (evtHandle->mode < 2) {
-            json_object_object_add(ctlEventJ, "iface"  ,json_object_new_int (iface));
-            json_object_object_add(ctlEventJ, "devname",json_object_new_string (devname));
+        if (evtHandle->mode >= QUERY_COMPACT) {
+            ctlName = snd_ctl_event_elem_get_name(eventId);
+            json_object_object_add(ctlEventJ, "name",json_object_new_string (ctlName));
+        }
+
+        if (evtHandle->mode >= QUERY_VERBOSE) {
+            iface   = snd_ctl_event_elem_get_interface(eventId);
+            device  = snd_ctl_event_elem_get_device(eventId);
+            subdev  = snd_ctl_event_elem_get_subdevice(eventId);
+            json_object_object_add(ctlEventJ, "ifc"  ,json_object_new_int (iface));
+            json_object_object_add(ctlEventJ, "dev"  ,json_object_new_int (device));
+            json_object_object_add(ctlEventJ, "sub"  ,json_object_new_int (subdev));
         }
-        if (ctlRequest.valuesJ) (json_object_object_add(ctlEventJ, "value"  ,ctlRequest.valuesJ));
+
+    
         AFB_DEBUG( "sndCtlEventCB=%s", json_object_get_string(ctlEventJ));
         afb_event_push(evtHandle->afbevt, ctlEventJ);
     }
@@ -234,7 +243,7 @@ PUBLIC void alsaEvtSubcribe (afb_req request) {
 // Subscribe to every Alsa CtlEvent send by a given board
 STATIC json_object *alsaProbeCardId (afb_req request) {
     char devid [10];
-    const char *devname, *shortname, *longname;
+    const char *ctlName, *shortname, *longname;
     int card, err, index, idx;
     json_object *responseJ;
     snd_ctl_t   *ctlDev;
@@ -260,12 +269,12 @@ STATIC json_object *alsaProbeCardId (afb_req request) {
         // extract sound card information
         snd_ctl_card_info(ctlDev, cardinfo);
         index    = snd_ctl_card_info_get_card(cardinfo);
-        devname  = snd_ctl_card_info_get_id(cardinfo);
+        ctlName  = snd_ctl_card_info_get_id(cardinfo);
         shortname= snd_ctl_card_info_get_name(cardinfo);
         longname = snd_ctl_card_info_get_longname(cardinfo);
         
         // check if short|long name match        
-        if (!strcmp (sndname, devname)) break;
+        if (!strcmp (sndname, ctlName)) break;
         if (!strcmp (sndname, shortname)) break;
         if (!strcmp (sndname, longname)) break;
     }
diff --git a/ALSA-afb/Alsa-SetGet.c b/ALSA-afb/Alsa-SetGet.c
index 50b62ce..5a41ec1 100644
--- a/ALSA-afb/Alsa-SetGet.c
+++ b/ALSA-afb/Alsa-SetGet.c
@@ -618,7 +618,7 @@ PUBLIC int alsaGetSingleCtl (snd_ctl_t *ctlDev, snd_ctl_elem_id_t *elemId, ctlRe
         if (snd_ctl_elem_info_is_tlv_readable(elemInfo)) {
             unsigned int *tlv = alloca(TLV_BYTE_SIZE);
             if ((err = snd_ctl_elem_tlv_read(ctlDev, elemId, tlv, 4096)) < 0) {
-                    fprintf (stderr, "Control %s element TLV read error\n", snd_strerror(err));
+                    AFB_NOTICE ("Control numid=%d err=%s element TLV read error\n", numid, snd_strerror(err));
                     goto OnErrorExit;
             } else {
                     json_object_object_add (ctlRequest->valuesJ,"tlv", decodeTlv (tlv, TLV_BYTE_SIZE, queryMode));                                       
@@ -642,15 +642,14 @@ STATIC void alsaSetGetCtls (ActionSetGetT action, afb_req request) {
     unsigned int ctlCount;
     snd_ctl_t *ctlDev;
     snd_ctl_elem_list_t *ctlList;  
-    json_object *sndctls=json_object_new_array();;
     queryValuesT queryValues;
-    json_object *queryJ, *numidsJ;
+    json_object *queryJ, *numidsJ, *sndctls;
        
     queryJ = alsaCheckQuery (request, &queryValues);
     if (!queryJ) goto OnErrorExit;
     
     // Prase Numids + optional values
-    done= json_object_object_get_ex (queryJ, "numid" , &numidsJ);
+    done= json_object_object_get_ex (queryJ, "ctl" , &numidsJ);
     if (!done) queryValues.count=0;
     else {
         enum json_type jtype= json_object_get_type(numidsJ);
@@ -701,6 +700,10 @@ STATIC void alsaSetGetCtls (ActionSetGetT action, afb_req request) {
         ctlRequest= alloca (sizeof(ctlRequestT)*(queryValues.count));
         NumidsListParse (action, &queryValues, ctlRequest);
     }
+    
+    // if more than one crl requested prepare an array for response
+    if (queryValues.count!= 1 && action==ACTION_GET) sndctls=json_object_new_array();
+    else sndctls=NULL;
           
     // Loop on all ctlDev controls
     for (int ctlIndex=0; ctlIndex < ctlCount; ctlIndex++) {
@@ -745,7 +748,11 @@ STATIC void alsaSetGetCtls (ActionSetGetT action, afb_req request) {
             }
             if (err) status++;
             else {
-                if (action == ACTION_GET) json_object_array_add (sndctls, ctlRequest[jdx].valuesJ);
+                // Do not embed response in an array when only one ctl was requested
+                if (action == ACTION_GET) {
+                    if (queryValues.count >  1) json_object_array_add (sndctls, ctlRequest[jdx].valuesJ);
+                    else sndctls = ctlRequest[jdx].valuesJ;
+                }
             }
         }
     }
@@ -755,16 +762,14 @@ STATIC void alsaSetGetCtls (ActionSetGetT action, afb_req request) {
     for (int jdx=0; jdx < queryValues.count; jdx++) {
         if (ctlRequest[jdx].used <= 0) {
             json_object *failctl = json_object_new_object();
-            json_object_object_add (failctl, "numid", ctlRequest[jdx].jToken);
-            if (ctlRequest[jdx].valuesJ) json_object_object_add(failctl, "value", ctlRequest[jdx].valuesJ);
-            
-            AFB_NOTICE ("*** jToken=%s value=%s", json_object_get_string(ctlRequest[jdx].jToken), json_object_get_string(ctlRequest[jdx].valuesJ));
-
-            if (ctlRequest[jdx].numId == -1) json_object_object_add (failctl, "error", json_object_new_string ("Numid Invalid"));
+            if (ctlRequest[jdx].numId == -1) json_object_object_add (failctl, "warning", json_object_new_string ("Numid Invalid"));
             else {
-               if (ctlRequest[jdx].used ==  0) json_object_object_add (failctl, "error", json_object_new_string ("Numid Does Not Exist"));
-               if (ctlRequest[jdx].used == -1) json_object_object_add (failctl, "error", json_object_new_string ("Value invalid"));
+               if (ctlRequest[jdx].used ==  0) json_object_object_add (failctl, "warning", json_object_new_string ("Numid Does Not Exist"));
+               if (ctlRequest[jdx].used == -1) json_object_object_add (failctl, "warning", json_object_new_string ("Value Refused"));
             }
+            
+            json_object_object_add (failctl, "ctl", ctlRequest[jdx].jToken);
+            
             json_object_array_add (warningsJ, failctl);
         }
         /* WARNING!!!! Check with Jose why following put free valuesJ
diff --git a/HAL-afb/HAL-interface/CMakeLists.txt b/HAL-afb/HAL-interface/CMakeLists.txt
index c367c5c..d20a283 100644
--- a/HAL-afb/HAL-interface/CMakeLists.txt
+++ b/HAL-afb/HAL-interface/CMakeLists.txt
@@ -21,7 +21,7 @@
 PROJECT_TARGET_ADD(hal-interface)
 
     # Define targets 
-    ADD_LIBRARY(${TARGET_NAME} STATIC hal-volmap.c hal-interface.c)
+    ADD_LIBRARY(${TARGET_NAME} STATIC hal-volume.c hal-volramp.c hal-interface.c)
 
     # Library properties
     SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES OUTPUT_NAME halinterface)
diff --git a/HAL-afb/HAL-interface/hal-interface.c b/HAL-afb/HAL-interface/hal-interface.c
index f4fc8df..76cdbd8 100644
--- a/HAL-afb/HAL-interface/hal-interface.c
+++ b/HAL-afb/HAL-interface/hal-interface.c
@@ -21,24 +21,37 @@
 #define _GNU_SOURCE  // needed for vasprintf
 #include <string.h>
 #include "hal-interface.h"
+#include <systemd/sd-event.h>
 
-static alsaHalMapT *halCtls;
-static const char *halDevid;
-
-
+alsaHalSndCardT *halSndCard;
 
 STATIC const char *halCtlsLabels[] = {
-   [StartHalCrlTag] = "NOT_USED",
    
-   [Master_Playback_Volume] = "Master_Playback_Volume",
-   [Master_OnOff_Switch] = "Master_OnOff_Switch",
-   [Master_Playback_Ramp] = "Master_Playback_Ramp",
-   [PCM_Playback_Volume] = "PCM_Playback_Volume",
-   [PCM_Playback_Switch] = "PCM_Playback_Switch",
-   [Capture_Volume] = "Capture_Volume",
-
-   [EndHalCrlTag] = "NOT_USED"
-  
+    [Master_Playback_Volume] = "Master_Playback_Volume",
+    [Master_OnOff_Switch] = "Master_OnOff_Switch",
+    [Master_Playback_Ramp]= "Master_Playback_Ramp",
+    [PCM_Playback_Volume] = "PCM_Playback_Volume",
+    [PCM_Playback_Switch] = "PCM_Playback_Switch",
+    [Capture_Volume]      = "Capture_Volume",
+
+    [Vol_Ramp]           = "Volume_Ramp",        
+    [Vol_Ramp_Set_Mode]  = "Volume_Ramp_Mode",        
+    [Vol_Ramp_Set_Delay] = "Volume_Ramp_Delay",        
+    [Vol_Ramp_Set_Down]  = "Volume_Ramp_Down",        
+    [Vol_Ramp_Set_Up]    = "Volume_Ramp_Up",        
+       
+   [EndHalCrlTag] = NULL
+};
+
+PUBLIC char *halVolRampModes[] = {
+   
+   [RAMP_VOL_NONE]      = "None",
+   [RAMP_VOL_NORMAL]    = "Normal",
+   [RAMP_VOL_SMOOTH]    = "Smooth",
+   [RAMP_VOL_EMERGENCY] = "Emergency",
+   
+   [EndHalVolMod] = NULL,
+   
 };
 
 // Force specific HAL to depend on ShareHalLib
@@ -54,6 +67,7 @@ STATIC void halSubscribe(afb_req request) {
 
 // Map HAL ctlName to ctlLabel
 STATIC int halCtlStringToIndex (const char* label) {
+    alsaHalMapT *halCtls= halSndCard->ctls;
 
     for (int idx = 0;  halCtls[idx].tag != EndHalCrlTag; idx++) {
        if (!strcmp (halCtls[idx].label, label)) return idx;
@@ -64,6 +78,7 @@ STATIC int halCtlStringToIndex (const char* label) {
 }
 
 STATIC int halCtlTagToIndex (halCtlsEnumT tag) {
+    alsaHalMapT *halCtls= halSndCard->ctls;
 
     for (int idx = 0;  halCtls[idx].tag != EndHalCrlTag; idx++) {
        if (halCtls[idx].tag == tag) return idx;
@@ -76,10 +91,11 @@ STATIC int halCtlTagToIndex (halCtlsEnumT tag) {
 
 // Return ALL HAL snd controls
 PUBLIC void halListCtls(afb_req request) {
-    struct json_object *ctlsHalJ = json_object_new_array();
+    alsaHalMapT *halCtls= halSndCard->ctls;
+    json_object *ctlsHalJ = json_object_new_array();
     
     for (int idx = 0; halCtls[idx].ctl.numid; idx++) {
-        struct json_object *ctlHalJ = json_object_new_object();
+        json_object *ctlHalJ = json_object_new_object();
         
         json_object_object_add(ctlHalJ, "label", json_object_new_string(halCtls[idx].label));
         json_object_object_add(ctlHalJ, "tag"  , json_object_new_int(halCtls[idx].tag));
@@ -91,8 +107,8 @@ PUBLIC void halListCtls(afb_req request) {
     afb_req_success (request, ctlsHalJ, NULL);
 }
 
-STATIC int halGetCtlIndex (afb_req request, struct json_object*ctlInJ) {
-    struct json_object *tmpJ;
+STATIC int halGetCtlIndex (afb_req request, json_object*ctlInJ) {
+    json_object *tmpJ;
     int tag, index, done;
 
     // check 1st short command mode [tag1, tag2, ...]
@@ -127,7 +143,6 @@ STATIC int halGetCtlIndex (afb_req request, struct json_object*ctlInJ) {
             goto OnErrorExit;
     }
     
-
     if (index < 0) goto OnErrorExit;
     
     // return corresponding lowlevel numid to querylist
@@ -139,10 +154,48 @@ STATIC int halGetCtlIndex (afb_req request, struct json_object*ctlInJ) {
 } 
 
 
+STATIC int  halCallAlsaSetCtls (json_object *ctlsOutJ) {
+    json_object *responseJ, *queryJ;
+    int err;
+    
+    // Call now level CTL
+    queryJ = json_object_new_object();
+    json_object_object_add(queryJ, "devid", json_object_new_string (halSndCard->devid));
+    json_object_object_add(queryJ, "ctl", ctlsOutJ);
+    
+        err= afb_service_call_sync("alsacore", "setctl", queryJ, &responseJ);
+        json_object_put (responseJ); // let's ignore response
+    
+    return err;
+}
+
+
+// retrieve a single HAL control from its tag.
+PUBLIC int halSetCtlByTag (halRampEnumT tag, int value) {
+    json_object *ctlJ = json_object_new_array();
+    alsaHalMapT *halCtls= halSndCard->ctls;
+    int err, index;
+            
+    index = halCtlTagToIndex(tag); 
+    if (index < 0) goto OnErrorExit;
+    
+    json_object_array_add(ctlJ, json_object_new_int(halCtls[index].ctl.numid));
+    json_object_array_add(ctlJ, volumeNormalise (ACTION_SET, &halCtls[index].ctl, json_object_new_int(value)));
+    
+    err = halCallAlsaSetCtls(ctlJ);
+    
+    return err;
+    
+ OnErrorExit:
+        return -1;
+}
+
+
 // Translate high level control to low level and call lower layer
 PUBLIC void halSetCtls(afb_req request) {
+    alsaHalMapT *halCtls= halSndCard->ctls;
     int err, done, index;
-    struct json_object *ctlsInJ, *ctlsOutJ, *queryJ, *valuesJ, *responseJ;
+    json_object *ctlsInJ, *ctlsOutJ, *valuesJ;
 
     // get query from request
     ctlsInJ = afb_req_json(request);
@@ -162,7 +215,7 @@ PUBLIC void halSetCtls(afb_req request) {
             }
             
             json_object_object_add (ctlsOutJ, "id", json_object_new_int(halCtls[index].ctl.numid));
-            json_object_object_add (ctlsOutJ,"val", SetGetNormaliseVolumes (ACTION_SET, &halCtls[index].ctl, valuesJ));                
+            json_object_object_add (ctlsOutJ,"val", volumeNormalise (ACTION_SET, &halCtls[index].ctl, valuesJ));                
             break;
         }
         
@@ -170,7 +223,7 @@ PUBLIC void halSetCtls(afb_req request) {
             ctlsOutJ = json_object_new_array();
             
             for (int idx= 0; idx < json_object_array_length (ctlsInJ); idx++) {
-                struct json_object *ctlInJ = json_object_array_get_idx (ctlsInJ, idx);
+                json_object *ctlInJ = json_object_array_get_idx (ctlsInJ, idx);
                 index= halGetCtlIndex (request, ctlInJ);
                 if (index < 0) goto OnErrorExit;
 
@@ -180,9 +233,9 @@ PUBLIC void halSetCtls(afb_req request) {
                     goto OnErrorExit;                                
                 }
                 // let's create alsa low level set control request
-                struct json_object *ctlOutJ = json_object_new_object();
+                json_object *ctlOutJ = json_object_new_object();
                 json_object_object_add (ctlOutJ, "id", json_object_new_int(halCtls[index].ctl.numid));
-                json_object_object_add (ctlOutJ, "val", SetGetNormaliseVolumes (ACTION_SET, &halCtls[index].ctl, valuesJ));                
+                json_object_object_add (ctlOutJ, "val", volumeNormalise (ACTION_SET, &halCtls[index].ctl, valuesJ));                
                 
                 json_object_array_add (ctlsOutJ, ctlOutJ);
             }
@@ -194,14 +247,9 @@ PUBLIC void halSetCtls(afb_req request) {
             goto OnErrorExit;                
     }
 
-    // Call now level CTL
-    queryJ = json_object_new_object();
-    json_object_object_add(queryJ, "devid", json_object_new_string (halDevid));
-    json_object_object_add(queryJ, "numid", ctlsOutJ);
-
-    err= afb_service_call_sync("alsacore", "setctl", queryJ, &responseJ);
+    err = halCallAlsaSetCtls (ctlsOutJ);
     if (err) {
-        afb_req_fail_f(request, "subcall:alsacore/setctl", "%s", json_object_get_string(responseJ));
+        afb_req_fail_f(request, "subcall:alsacore/setctl", "%s", json_object_get_string(ctlsOutJ));
         goto OnErrorExit;        
     }
     
@@ -213,24 +261,35 @@ OnErrorExit:
 };
 
 // Remap low level controls into HAL hight level ones
-STATIC json_object *HalGetPrepareResponse(afb_req request, struct json_object *ctlsJ) {
-    struct json_object *halResponseJ;
-
-    // make sure return controls have a valid type
-    if (json_object_get_type(ctlsJ) != json_type_array) {
-        afb_req_fail_f(request, "ctls-notarray", "Invalid Controls return from alsa/getcontrol ctlsJ=%s", json_object_get_string(ctlsJ));
-        goto OnErrorExit;
+STATIC json_object *HalGetPrepareResponse(afb_req request, json_object *ctlsJ) {
+    alsaHalMapT *halCtls= halSndCard->ctls;
+    json_object *halResponseJ;
+    int length;
+
+    switch (json_object_get_type(ctlsJ)) {
+        case json_type_array:
+            // responseJ is a JSON array
+            halResponseJ = json_object_new_array();
+            length = json_object_array_length(ctlsJ);
+            break;
+        case json_type_object:
+            halResponseJ=NULL;
+            length = 1;
+            break;
+        default:
+            afb_req_fail_f(request, "ctls-notarray", "Invalid Controls return from alsa/getcontrol ctlsJ=%s", json_object_get_string(ctlsJ));
+            goto OnErrorExit;
     }
     
-    // responseJ is a JSON array
-    halResponseJ = json_object_new_array();
-
     // loop on array and store values into client context
-    for (int idx = 0; idx < json_object_array_length(ctlsJ); idx++) {
-        struct json_object *sndCtlJ, *valJ, *numidJ;
+    for (int idx = 0; idx < length; idx++) {
+        json_object *sndCtlJ, *valJ, *numidJ;
         int numid;
 
-        sndCtlJ = json_object_array_get_idx(ctlsJ, idx);
+        // extract control from array if any
+        if (halResponseJ) sndCtlJ = json_object_array_get_idx(ctlsJ, idx);
+        else sndCtlJ=ctlsJ;
+        
         if (!json_object_object_get_ex(sndCtlJ, "id", &numidJ) ||  !json_object_object_get_ex(sndCtlJ, "val", &valJ)) {
             afb_req_fail_f(request, "ctl-invalid", "Invalid Control return from alsa/getcontrol ctl=%s", json_object_get_string(sndCtlJ));
             goto OnErrorExit;
@@ -240,14 +299,16 @@ STATIC json_object *HalGetPrepareResponse(afb_req request, struct json_object *c
         numid= (halCtlsEnumT) json_object_get_int(numidJ);
 
         for (int idx = 0; halCtls[idx].ctl.numid; idx++) {
-            if (halCtls[idx].ctl.numid == numid) {
-                
+            if (halCtls[idx].ctl.numid == numid) {               
                 // translate low level numid to HAL one and normalise values
-                struct json_object *halCtlJ = json_object_new_object();
+                json_object *halCtlJ = json_object_new_object();
                 json_object_object_add(halCtlJ, "label", json_object_new_string(halCtls[idx].label)); // idx+1 == HAL/NUMID
                 json_object_object_add(halCtlJ, "tag"  , json_object_new_int(halCtls[idx].tag)); // idx+1 == HAL/NUMID
-                json_object_object_add(halCtlJ, "val"  , SetGetNormaliseVolumes(ACTION_GET, &halCtls[idx].ctl, valJ));
-                json_object_array_add(halResponseJ, halCtlJ);
+                json_object_object_add(halCtlJ, "val"  , volumeNormalise(ACTION_GET, &halCtls[idx].ctl, valJ));
+                
+                if (halResponseJ) json_object_array_add(halResponseJ, halCtlJ);
+                else halResponseJ=halCtlJ;
+                
                 break;
             }           
         }
@@ -262,10 +323,55 @@ STATIC json_object *HalGetPrepareResponse(afb_req request, struct json_object *c
         return NULL;
 }
 
+
+
+STATIC json_object *halCallAlsaGetCtls (json_object *ctlsOutJ) {
+    json_object *responseJ, *queryJ;
+    int err, done;
+    
+    // Call now level CTL
+    queryJ = json_object_new_object();
+    json_object_object_add(queryJ, "devid", json_object_new_string (halSndCard->devid));
+    json_object_object_add(queryJ, "ctl", ctlsOutJ);
+
+    err= afb_service_call_sync("alsacore", "getctl", queryJ, &responseJ);
+    if (err) goto OnErrorExit;
+    
+    // Let ignore info data if any and keep on response
+    done = json_object_object_get_ex (responseJ, "response", &responseJ);
+    if (!done) goto OnErrorExit;
+    
+    return responseJ;
+    
+  OnErrorExit:
+        return NULL;
+}
+
+// retrieve a single HAL control from its tag.
+PUBLIC json_object *halGetCtlByTag (halRampEnumT tag) {
+    json_object *responseJ, *valJ;
+    alsaHalMapT *halCtls= halSndCard->ctls;
+    int done, index;
+            
+    index = halCtlTagToIndex(tag); 
+    if (index < 0) goto OnErrorExit;
+    responseJ = halCallAlsaGetCtls(json_object_new_int(halCtls[index].ctl.numid));
+    
+    done = json_object_object_get_ex(responseJ, "val", &valJ);
+    if (!done) goto OnErrorExit;
+    
+    return volumeNormalise(ACTION_GET, &halCtls[index].ctl, valJ);
+    
+ OnErrorExit:
+        return NULL;
+}
+
+
 // Translate high level control to low level and call lower layer
 PUBLIC void halGetCtls(afb_req request) {
-    int err, index;
-    struct json_object *ctlsInJ, *ctlsOutJ, *queryJ, *responseJ;
+    int index;
+    alsaHalMapT *halCtls= halSndCard->ctls;
+    json_object *ctlsInJ, *ctlsOutJ, *responseJ;
 
     // get query from request
     ctlsInJ = afb_req_json(request);
@@ -283,7 +389,7 @@ PUBLIC void halGetCtls(afb_req request) {
         case json_type_array: {
             
             for (int idx= 0; idx < json_object_array_length (ctlsInJ); idx++) {
-                struct json_object *ctlInJ = json_object_array_get_idx (ctlsInJ, idx);
+                json_object *ctlInJ = json_object_array_get_idx (ctlsInJ, idx);
                 index= halGetCtlIndex (request, ctlInJ);
                 if (index < 0) goto OnErrorExit;
                 json_object_array_add (ctlsOutJ, json_object_new_int(halCtls[index].ctl.numid));
@@ -297,21 +403,14 @@ PUBLIC void halGetCtls(afb_req request) {
     }
 
     // Call now level CTL
-    queryJ = json_object_new_object();
-    json_object_object_add(queryJ, "devid", json_object_new_string (halDevid));
-    json_object_object_add(queryJ, "numid", ctlsOutJ);
-
-    err= afb_service_call_sync("alsacore", "getctl", queryJ, &responseJ);
-    if (err) {
+    responseJ = halCallAlsaGetCtls (ctlsOutJ);
+    if (!responseJ) {
         afb_req_fail_f(request, "subcall:alsacore/getctl", "%s", json_object_get_string(responseJ));
         goto OnErrorExit;        
     }
     
-    // Let ignore info data if any and keep on response
-    json_object_object_get_ex (responseJ, "response", &responseJ);
-    
     // map back low level response to HAL ctl with normalised values
-    struct json_object *halResponse =  HalGetPrepareResponse(request, responseJ);
+    json_object *halResponse =  HalGetPrepareResponse(request, responseJ);
     if (!halResponse) goto OnErrorExit;
    
     afb_req_success (request, halResponse, NULL);
@@ -321,35 +420,9 @@ OnErrorExit:
     return;
 };
 
-// This receive all event this binding subscribe to 
-PUBLIC void halServiceEvent(const char *evtname, struct json_object *eventJ) {
-    int numid;
-    struct json_object *numidJ, *valuesJ, *valJ;
-    
-    AFB_NOTICE("halServiceEvent evtname=%s [msg=%s]", evtname, json_object_get_string(eventJ));
-    
-    json_object_object_get_ex (eventJ, "val" , &valuesJ);
-    if (!valuesJ) {
-        AFB_ERROR("halServiceEvent novalues: evtname=%s [msg=%s]", evtname, json_object_get_string(eventJ));
-        return;
-    }
-         
-    json_object_object_get_ex (valuesJ, "numid" , &numidJ);
-    numid = json_object_get_int (numidJ);
-    
-    // search it corresponding numid in halCtls attach a callback
-    if (numid) {
-        for (int idx= 0; halCtls[idx].ctl.numid; idx++) {
-            if (halCtls[idx].ctl.numid == numid && halCtls[idx].cb.callback != NULL) {
-                json_object_object_get_ex (valuesJ, "val" , &valJ);
-                halCtls[idx].cb.callback (&halCtls[idx].ctl, halCtls[idx].cb.handle, valJ);
-            }
-        }
-    }    
-}
 
-STATIC int UpdateOneSndCtl (alsaHalCtlMapT *ctl, struct json_object *sndCtlJ) {
-    struct json_object *tmpJ, *ctlJ;
+STATIC int UpdateOneSndCtl (alsaHalCtlMapT *ctl, json_object *sndCtlJ) {
+    json_object *tmpJ, *ctlJ;
 
     json_object_object_get_ex (sndCtlJ, "name" , &tmpJ);
     ctl->name  = (char*)json_object_get_string(tmpJ);
@@ -377,7 +450,7 @@ STATIC int UpdateOneSndCtl (alsaHalCtlMapT *ctl, struct json_object *sndCtlJ) {
     
     // process dbscale TLV if any
     if (json_object_object_get_ex (sndCtlJ, "tlv" , &tmpJ)) {
-        struct json_object *dbscaleJ;
+        json_object *dbscaleJ;
         
         if (!json_object_object_get_ex (tmpJ, "dbscale" , &dbscaleJ)) {
             AFB_WARNING("TLV found but not DBscale attached ctl name=%s numid=%d", ctl->name, ctl->numid);
@@ -407,8 +480,12 @@ STATIC int UpdateOneSndCtl (alsaHalCtlMapT *ctl, struct json_object *sndCtlJ) {
 // this is call when after all bindings are loaded
 PUBLIC int halServiceInit (const char *apiPrefix, alsaHalSndCardT *alsaHalSndCard) {
     int err;
-    struct json_object *queryurl, *responseJ, *devidJ, *ctlsJ, *tmpJ;
-    halCtls = alsaHalSndCard->ctls; // Get sndcard specific HAL control mapping
+    json_object *queryurl, *responseJ, *devidJ, *ctlsJ, *tmpJ;
+    alsaHalMapT *halCtls= alsaHalSndCard->ctls;
+    
+    // if not volume normalisation CB provided use default one
+    if (!alsaHalSndCard->volumeCB) alsaHalSndCard->volumeCB=volumeNormalise;
+    halSndCard= alsaHalSndCard;
     
     err= afb_daemon_require_api("alsacore", 1);
     if (err) {
@@ -435,12 +512,12 @@ PUBLIC int halServiceInit (const char *apiPrefix, alsaHalSndCardT *alsaHalSndCar
     }
     
     // save devid for future use
-    halDevid = strdup (json_object_get_string(devidJ));
+    halSndCard->devid = strdup (json_object_get_string(devidJ));
             
     // for each Non Alsa Control callback create a custom control
     ctlsJ= json_object_new_array();
     for (int idx= 0; (halCtls[idx].ctl.name||halCtls[idx].ctl.numid); idx++) {
-        struct json_object *ctlJ;
+        json_object *ctlJ;
         
         // map HAL ctlTad with halCrlLabel to simplify set/get ctl operations using Labels
         halCtls[idx].label = halCtlsLabels[halCtls[idx].tag];
@@ -452,10 +529,29 @@ PUBLIC int halServiceInit (const char *apiPrefix, alsaHalSndCardT *alsaHalSndCar
             if (halCtls[idx].ctl.maxval) json_object_object_add(ctlJ, "max"  ,  json_object_new_int(halCtls[idx].ctl.maxval));
             if (halCtls[idx].ctl.step)   json_object_object_add(ctlJ, "step" , json_object_new_int(halCtls[idx].ctl.step));
             if (halCtls[idx].ctl.type)   json_object_object_add(ctlJ, "type" , json_object_new_int(halCtls[idx].ctl.type));
+            if (halCtls[idx].ctl.count)  json_object_object_add(ctlJ, "count", json_object_new_int(halCtls[idx].ctl.count));
+            if (halCtls[idx].ctl.value)  json_object_object_add(ctlJ, "value", json_object_new_int(halCtls[idx].ctl.value));
+            
+            if (halCtls[idx].ctl.dbscale) {
+                json_object *dbscaleJ=json_object_new_object();
+                if (halCtls[idx].ctl.dbscale->max)  json_object_object_add(dbscaleJ, "max" , json_object_new_int(halCtls[idx].ctl.dbscale->max));
+                if (halCtls[idx].ctl.dbscale->min)  json_object_object_add(dbscaleJ, "min" , json_object_new_int(halCtls[idx].ctl.dbscale->min));
+                if (halCtls[idx].ctl.dbscale->step) json_object_object_add(dbscaleJ, "step", json_object_new_int(halCtls[idx].ctl.dbscale->step));
+                if (halCtls[idx].ctl.dbscale->mute) json_object_object_add(dbscaleJ, "mute", json_object_new_int(halCtls[idx].ctl.dbscale->mute));
+                 json_object_object_add(ctlJ, "dbscale" , dbscaleJ);
+            }
+            
+            if (halCtls[idx].ctl.enums)  {
+                json_object *enumsJ=json_object_new_array();
+                for (int jdx=0; halCtls[idx].ctl.enums[jdx]; jdx++) {
+                    json_object_array_add(enumsJ, json_object_new_string(halCtls[idx].ctl.enums[jdx]));
+                }
+                json_object_object_add(ctlJ, "enums" , enumsJ);
+            }
             json_object_array_add(ctlsJ, ctlJ);             
         } else  {
             ctlJ = json_object_new_object();
-            if (halCtls[idx].ctl.numid)  json_object_object_add(ctlJ, "numid" , json_object_new_int(halCtls[idx].ctl.numid));
+            if (halCtls[idx].ctl.numid)  json_object_object_add(ctlJ, "ctl" , json_object_new_int(halCtls[idx].ctl.numid));
             if (halCtls[idx].ctl.name)   json_object_object_add(ctlJ, "name"  , json_object_new_string(halCtls[idx].ctl.name));
             json_object_array_add(ctlsJ, ctlJ);             
         }           
@@ -508,13 +604,40 @@ PUBLIC int halServiceInit (const char *apiPrefix, alsaHalSndCardT *alsaHalSndCar
     return (1);
 };
 
+
+// This receive all event this binding subscribe to 
+PUBLIC void halServiceEvent(const char *evtname, json_object *eventJ) {
+    int numid;
+    alsaHalMapT *halCtls= halSndCard->ctls;
+    json_object *numidJ, *valuesJ;
+    
+    AFB_DEBUG("halServiceEvent evtname=%s [msg=%s]", evtname, json_object_get_string(eventJ));
+    
+    json_object_object_get_ex (eventJ, "id" , &numidJ);
+    numid = json_object_get_int (numidJ);
+    if (!numid) {
+        AFB_ERROR("halServiceEvent noid: evtname=%s [msg=%s]", evtname, json_object_get_string(eventJ));
+        return;
+    }
+    json_object_object_get_ex (eventJ, "val" , &valuesJ);
+    
+    // search it corresponding numid in halCtls attach a callback
+    if (numid) {
+        for (int idx= 0; halCtls[idx].ctl.numid; idx++) {
+            if (halCtls[idx].ctl.numid == numid && halCtls[idx].cb.callback != NULL) {
+                halCtls[idx].cb.callback (halCtls[idx].tag, &halCtls[idx].ctl, halCtls[idx].cb.handle, valuesJ);
+            }
+        }
+    }    
+}
+
 // Every HAL export the same API & Interface Mapping from SndCard to AudioLogic is done through alsaHalSndCardT
 PUBLIC afb_verb_v2 halServiceApi[] = {
     /* VERB'S NAME         FUNCTION TO CALL         SHORT DESCRIPTION */
-    { .verb = "ping",     .callback = pingtest},
-    { .verb = "ctl-list", .callback = halListCtls},
-    { .verb = "ctl-get",  .callback = halGetCtls},
-    { .verb = "ctl-set",  .callback = halSetCtls},
-    { .verb = "evt-sub",  .callback = halSubscribe},
+    { .verb = "ping",     .callback = pingtest    , .info="ping test for API"},
+    { .verb = "ctl-list", .callback = halListCtls , .info="List AGL normalised Sound Controls"},
+    { .verb = "ctl-get",  .callback = halGetCtls  , .info="Get one/many sound controls"},
+    { .verb = "ctl-set",  .callback = halSetCtls  , .info="Set one/many sound controls"},
+    { .verb = "evt-sub",  .callback = halSubscribe, .info="Subscribe to HAL events"},
     { .verb = NULL} /* marker for end of the array */
 };
diff --git a/HAL-afb/HAL-interface/hal-interface.h b/HAL-afb/HAL-interface/hal-interface.h
index c31c145..23944ad 100644
--- a/HAL-afb/HAL-interface/hal-interface.h
+++ b/HAL-afb/HAL-interface/hal-interface.h
@@ -22,12 +22,26 @@
 #include <alsa/asoundlib.h>
 
 #include "audio-interface.h"
+#include <systemd/sd-event.h>
+
 
 typedef enum {
-    ACTION_SET,
-    ACTION_GET
+   ACTION_SET,
+   ACTION_GET
 } ActionSetGetT;
 
+// VolRamp Handle Store current status for a given VolRam CB set
+typedef struct {
+  halRampEnumT mode;
+  halCtlsEnumT slave;
+  int delay;     // delay between volset in us
+  int stepDown;  // linear %
+  int stepUp;    // linear %
+  int current;   // current volume for slave ctl
+  int target;    // target volume
+  sd_event_source *evtsrc; // event loop timer source
+} halVolRampT;
+
 typedef struct {
     int min;
     int max;
@@ -42,7 +56,9 @@ typedef struct {
      int count;    
      int minval;
      int maxval;
+     int value;
      int step;
+     char **enums;
      alsaHalDBscaleT  *dbscale;
 } alsaHalCtlMapT;
 
@@ -50,8 +66,8 @@ typedef struct {
 typedef struct afb_service alsaHalServiceT;
 
 typedef struct {
-   struct json_object* (*callback)(alsaHalCtlMapT *control, void* handle,  struct json_object *valuesJ);
-   void* handle;        
+   void (*callback)(halCtlsEnumT tag, alsaHalCtlMapT *control, void* handle,  json_object *valuesJ);
+   void* handle;
 } alsaHalCbMapT;
 
 typedef struct {
@@ -62,19 +78,28 @@ typedef struct {
     char* info;
 } alsaHalMapT;
 
-
-typedef const struct  {
-    char  *name;
+typedef struct  {
+    const char  *name;
     const char  *info;
-    alsaHalMapT *ctls;    
+    alsaHalMapT *ctls; 
+    const char  *devid;
+    json_object* (*volumeCB)(ActionSetGetT action, const alsaHalCtlMapT *halCtls,  json_object *valuesJ);
 } alsaHalSndCardT;
 
+// hal-interface.c
 extern afb_verb_v2 halServiceApi[];
-PUBLIC void halServiceEvent(const char *evtname, struct json_object *object);
+extern char *halVolRampModes[];
+PUBLIC void halServiceEvent(const char *evtname, json_object *object);
 PUBLIC int  halServiceInit (const char *apiPrefix, alsaHalSndCardT *alsaHalSndCard);
+PUBLIC json_object *halGetCtlByTag (halRampEnumT tag);
+PUBLIC int halSetCtlByTag (halRampEnumT tag, int value);
+
+
+// hal-volramp.c
+PUBLIC void volumeRamp (halCtlsEnumT halTag,alsaHalCtlMapT *control, void* handle, json_object *valJ);
 
-// hal-volmap.c
-PUBLIC struct json_object *SetGetNormaliseVolumes(ActionSetGetT action, const alsaHalCtlMapT *halCtls,  struct json_object *valuesJ);
+// hal-volume.c
+PUBLIC json_object *volumeNormalise(ActionSetGetT action, const alsaHalCtlMapT *halCtls,  json_object *valuesJ);
 
 
 #endif /* SHAREHALLIB_H */
diff --git a/HAL-afb/HAL-interface/hal-volramp.c b/HAL-afb/HAL-interface/hal-volramp.c
new file mode 100644
index 0000000..6343a06
--- /dev/null
+++ b/HAL-afb/HAL-interface/hal-volramp.c
@@ -0,0 +1,166 @@
+/*
+ * Copyright (C) 2016 "IoT.bzh"
+ * Author Fulup Ar Foll <fulup@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ */
+
+#define _GNU_SOURCE  // needed for vasprintf
+#include "hal-interface.h"
+
+STATIC int RampTimerCB (sd_event_source* source,uint64_t timer, void* handle) {
+   halVolRampT *volRamp= (halVolRampT*)handle;
+   int err;
+   uint64_t usec;
+
+    // RampDown
+    if (volRamp->current > volRamp->target) {
+       volRamp->current =  volRamp->current - volRamp->stepDown;
+       if (volRamp->current < volRamp->target) volRamp->current = volRamp->target;
+    }
+    
+    // RampUp
+    if (volRamp->current < volRamp->target) {
+       volRamp->current =  volRamp->current + volRamp->stepUp;
+       if (volRamp->current > volRamp->target) volRamp->current = volRamp->target;
+    }
+    
+    // request current Volume Level 
+    err = halSetCtlByTag(volRamp->slave, volRamp->current);
+    if (err)  goto OnErrorExit;
+
+    // we reach target stop volram event
+    if (volRamp->current == volRamp->target) sd_event_source_unref(source);
+    else {
+        // otherwise validate timer for a new run    
+        sd_event_now(afb_daemon_get_event_loop(), CLOCK_MONOTONIC, &usec);
+        sd_event_source_set_enabled(source, SD_EVENT_ONESHOT);
+        err=sd_event_source_set_time(source, usec+volRamp->delay);
+    }
+
+    return 0;
+    
+  OnErrorExit:
+    AFB_WARNING ("RampTimerCB Fail to set HAL ctl tag=%d vol=%d", Master_Playback_Volume, volRamp->current);
+    sd_event_source_unref(source); // abandon VolRamp
+    return -1;
+}
+
+/* UCS2 Interface Timer Callback */
+STATIC void SetRampTimer(void *handle) {
+   halVolRampT *volRamp= (halVolRampT*)handle;
+   
+   uint64_t usec;
+   /* set a timer with  250ms accuracy */
+   sd_event_now(afb_daemon_get_event_loop(), CLOCK_MONOTONIC, &usec);
+   sd_event_add_time(afb_daemon_get_event_loop(), &volRamp->evtsrc, CLOCK_MONOTONIC, usec, 250, RampTimerCB, volRamp);
+}
+
+STATIC int volumeDoRamp (halVolRampT *volRamp,  int numid, json_object *volumeJ) {
+    json_object *responseJ;
+    
+    // request current Volume Level 
+    responseJ = halGetCtlByTag(volRamp->slave);
+    if (!responseJ) {
+        AFB_WARNING ("volumeDoRamp Fail to get HAL ctl tag=%d", Master_Playback_Volume);
+        goto OnErrorExit;
+    }    
+    
+    // use 1st volume value as target for ramping
+    switch (json_object_get_type(volumeJ)) {
+        case json_type_array:
+            volRamp->target=json_object_get_int(json_object_array_get_idx(volumeJ,0));
+            break;
+           
+        case json_type_int:
+            volRamp->target=json_object_get_int(volumeJ);
+            break;
+        
+        default:
+            AFB_WARNING ("volumeDoRamp Invalid volumeJ=%s", json_object_get_string(volumeJ));
+            goto OnErrorExit;
+    }
+    
+    // use 1st volume value as current for ramping
+    switch (json_object_get_type(responseJ)) {
+        case json_type_array:
+            volRamp->current=json_object_get_int(json_object_array_get_idx(responseJ,0));
+            break;
+           
+        case json_type_int:
+            volRamp->current=json_object_get_int(responseJ);
+            break;
+        
+        default:
+            AFB_WARNING ("volumeDoRamp Invalid reponseJ=%s", json_object_get_string(responseJ));
+            goto OnErrorExit;
+    }
+    
+    SetRampTimer (volRamp);
+    
+    return 0;
+
+  OnErrorExit:
+    return -1;
+}
+
+
+PUBLIC void volumeRamp (halCtlsEnumT halTag, alsaHalCtlMapT *ctl, void* handle, json_object *valJ) {
+    halVolRampT *volRamp = (halVolRampT*) handle;
+    json_object *tmpJ;
+
+    if (json_object_get_type(valJ) != json_type_array || volRamp==NULL) goto OnErrorExit;
+    
+    switch (halTag) {
+        case Vol_Ramp:
+            tmpJ = json_object_array_get_idx(valJ, 0);            
+            volumeDoRamp (volRamp, ctl->numid, tmpJ);
+            break;
+            
+        case Vol_Ramp_Set_Mode:
+            tmpJ = json_object_array_get_idx(valJ, 0);            
+            volRamp->mode = json_object_get_int (tmpJ);
+            break;
+            
+        case Vol_Ramp_Set_Slave:
+            tmpJ = json_object_array_get_idx(valJ, 0);            
+            volRamp->slave = json_object_get_int (tmpJ);
+            break;
+        
+        case Vol_Ramp_Set_Delay:
+            tmpJ = json_object_array_get_idx(valJ, 0);            
+            volRamp->delay = 1000*json_object_get_int (tmpJ);
+            break;
+
+        case Vol_Ramp_Set_Down:
+            tmpJ = json_object_array_get_idx(valJ, 0);            
+            volRamp->stepDown = json_object_get_int (tmpJ);
+            break;
+
+        case Vol_Ramp_Set_Up:
+            tmpJ = json_object_array_get_idx(valJ, 0);            
+            volRamp->stepUp = json_object_get_int (tmpJ);
+            break;
+
+        default:
+            goto OnErrorExit;
+    }
+    
+    return;
+    
+    OnErrorExit:
+        AFB_WARNING ("Invalid Ctrl Event halCtlsEnumT=%d numid=%d name=%s value=%s", halTag, ctl->numid, ctl->name, json_object_get_string(valJ));
+        return;
+}
+    
\ No newline at end of file
diff --git a/HAL-afb/HAL-interface/hal-volmap.c b/HAL-afb/HAL-interface/hal-volume.c
index 2b619fd..593b74c 100644
--- a/HAL-afb/HAL-interface/hal-volmap.c
+++ b/HAL-afb/HAL-interface/hal-volume.c
@@ -16,6 +16,9 @@
  * 
  * references: 
  *   alsa-util/amixer.c + alsa-lib/simple.c
+ *   snd_tlv_convert_from_dB
+ *   nt snd_tlv_convert_to_dB
+ *   snd_tlv_get_dB_range
  */
 
 #define _GNU_SOURCE  // needed for vasprintf
@@ -58,7 +61,7 @@ STATIC int dbNormalizeVal (enumRandeModeDB_T normaliseMode, const alsaHalDBscale
 }
 
 // HAL normalise volume values to 0-100%
-PUBLIC struct json_object *SetGetNormaliseVolumes(ActionSetGetT action, const alsaHalCtlMapT *halCtls,  struct json_object *valuesJ) {
+PUBLIC json_object *volumeNormalise(ActionSetGetT action, const alsaHalCtlMapT *halCtls,  json_object *valuesJ) {
     enumRandeModeDB_T useNormalizeDB;
     int length;
 
@@ -131,7 +134,7 @@ PUBLIC struct json_object *SetGetNormaliseVolumes(ActionSetGetT action, const al
                     break;
                     
                 default: 
-                    AFB_NOTICE ("SetGetNormaliseVolumes: invalid action value=%d", (int)action);
+                    AFB_NOTICE ("volumeNormalise: invalid action value=%d", (int)action);
                     goto ExitOnError;    
             }
         } 
diff --git a/HAL-afb/HAL-plugin/HalPlugCtl.c b/HAL-afb/HAL-plugin/HalPlugCtl.c
index 3755876..4f76595 100644
--- a/HAL-afb/HAL-plugin/HalPlugCtl.c
+++ b/HAL-afb/HAL-plugin/HalPlugCtl.c
@@ -321,7 +321,7 @@ SND_CTL_PLUGIN_DEFINE_FUNC(afbhal) {
                    return -EINVAL;
                 }
                                 
-                err=snd_config_search(ctlconfig, "numid", &itemConf);
+                err=snd_config_search(ctlconfig, "ctl", &itemConf);
                 if (!err) {
                     if (snd_config_get_integer(itemConf, (long*)&plughandle->ctls[plughandle->ctlsCount].ctlNumid) < 0) {
                     SNDERR("Not Integer: ctl:%s numid should be a valid integer", ctlLabel);
diff --git a/HAL-afb/HDA-intel/IntelHdaHAL.c b/HAL-afb/HDA-intel/IntelHdaHAL.c
index 66f241f..f7aec59 100644
--- a/HAL-afb/HDA-intel/IntelHdaHAL.c
+++ b/HAL-afb/HDA-intel/IntelHdaHAL.c
@@ -25,26 +25,27 @@
 #include "hal-interface.h"
 #include "audio-interface.h" 
 
-STATIC struct json_object* MasterOnOff (alsaHalCtlMapT *control, void* handle, struct json_object *valJ) {
-    struct json_object *reponseJ;
-    
-    AFB_INFO ("Power Set value=%s", json_object_get_string(valJ));
-    
-    reponseJ=json_object_new_object();
-    json_object_object_add (reponseJ, "Callback", json_object_new_string("Hello From HAL"));
-    
-    return reponseJ;
-}
+
+// Default Values for MasterVolume Ramping
+STATIC halVolRampT volRampMaster= {
+    .mode    = RAMP_VOL_NORMAL,
+    .slave   = Master_Playback_Volume,
+    .delay   = 100*1000, // ramping delay in us
+    .stepDown=1,
+    .stepUp  =1,
+};
 
 // Map HAL hight sndctl with Alsa numid and optionally with a custom callback for non Alsa supported functionalities. 
 STATIC alsaHalMapT  alsaHalMap[]= { 
-  { .tag=Master_Playback_Volume, .ctl={.numid=04 } },
-  { .tag=PCM_Playback_Volume   , .ctl={.numid=06 } },
-  { .tag=PCM_Playback_Switch   , .ctl={.numid=05 } },
-  { .tag=Capture_Volume        , .ctl={.numid=12 } },
-  { .tag=Master_OnOff_Switch   , .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_BOOLEAN, .count=1, .name="Power-Switch"},  .cb={.callback=MasterOnOff, .handle=NULL}},
-  { .tag=Master_Playback_Ramp  , .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=2, .name="Volume-Switch"}, .cb={.callback=MasterOnOff, .handle=NULL}},
+  { .tag=Master_Playback_Volume, .  ctl={ .name="Master Playback Volume" } },
+  { .tag=PCM_Playback_Volume     , .ctl={ .name="PCM Playback Volume" } },
+  { .tag=PCM_Playback_Switch     , .ctl={ .name="Master Playback Switch" } },
+  { .tag=Capture_Volume          , .ctl={ .name="Capture Volume" } },
 
+  { .tag=Vol_Ramp   , .cb={.callback=volumeRamp, .handle=&volRampMaster}, .info="ramp volume linearly according to current ramp setting",
+    .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=1, .minval=0, .maxval=100, .step=1, .name="Hal-VolRamp"}
+  },
+  
   { .tag=EndHalCrlTag}  /* marker for end of the array */
 } ;
 
diff --git a/HAL-afb/Scarlett-Focusrite/ScarlettUsbHAL.c b/HAL-afb/Scarlett-Focusrite/ScarlettUsbHAL.c
index 10ef204..dd4499e 100644
--- a/HAL-afb/Scarlett-Focusrite/ScarlettUsbHAL.c
+++ b/HAL-afb/Scarlett-Focusrite/ScarlettUsbHAL.c
@@ -26,25 +26,41 @@
 #include "hal-interface.h"
 #include "audio-interface.h" 
 
-STATIC struct json_object* MasterOnOff (alsaHalCtlMapT *control, void* handle, struct json_object *valJ) {
-    struct json_object *reponseJ;
-    
-    AFB_INFO ("Power Set value=%s", json_object_get_string(valJ));
-    
-    reponseJ=json_object_new_object();
-    json_object_object_add (reponseJ, "Callback", json_object_new_string("Hello From HAL"));
-    
-    return reponseJ;
-}
+// Default Values for MasterVolume Ramping
+STATIC halVolRampT volRampMaster= {
+    .mode    = RAMP_VOL_NORMAL,
+    .slave   = Master_Playback_Volume,
+    .delay   = 100*1000, // ramping delay in us
+    .stepDown=1,
+    .stepUp  =1,
+};
 
 // Map HAL hight sndctl with Alsa numid and optionally with a custom callback for non Alsa supported functionalities. 
 STATIC alsaHalMapT  alsaHalMap[]= { 
-  { .tag=Master_Playback_Volume, .  ctl={.numid=04 } },
-  { .tag=PCM_Playback_Volume     , .ctl={.numid=06 } },
+  { .tag=Master_Playback_Volume, .  ctl={.name="Master Playback Volume" } },
+  { .tag=PCM_Playback_Volume     , .ctl={.name="Master 1 (Monitor) Playback Volume" } },
   { .tag=PCM_Playback_Switch     , .ctl={.numid=05 } },
   { .tag=Capture_Volume          , .ctl={.numid=12 } },
-  { .tag=Master_OnOff_Switch     , .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_BOOLEAN, .count=1, .name="AGL-Power-Switch"},  .cb={.callback=MasterOnOff, .handle=NULL}},
-  { .tag=Master_Playback_Ramp    , .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=2, .name="AGL-Volume-Switch"}, .cb={.callback=MasterOnOff, .handle=NULL}},
+
+  { .tag=Vol_Ramp_Set_Mode       , .cb={.callback=volumeRamp, .handle=&volRampMaster}, .info="select volramp speed",
+    .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_ENUMERATED, .count=1, .value=RAMP_VOL_NORMAL, .name="Hal-VolRamp-Mode", .enums=halVolRampModes}   
+  },  
+  { .tag=Vol_Ramp_Set_Slave      , .cb={.callback=volumeRamp, .handle=&volRampMaster}, .info="set slave volume master numid",
+    .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=1, .value=Master_Playback_Volume, .name="Hal-VolRamp-Slave", .enums=halVolRampModes}   
+  },  
+  { .tag=Vol_Ramp_Set_Delay    , .cb={.callback=volumeRamp, .handle=&volRampMaster}, .info="set ramp delay [default 250ms]",
+    .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=1, .minval=0, .maxval=1000, .step=100, .value=250, .name="Hal-VolRamp-Step-Down"}
+  },
+  { .tag=Vol_Ramp_Set_Down   , .cb={.callback=volumeRamp, .handle=&volRampMaster}, .info="set linear step down ramp [default 10]",
+    .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=1, .minval=0, .maxval=100, .step=1, .value=10, .name="Hal-VolRamp-Step-Down"}
+  },
+  { .tag=Vol_Ramp_Set_Up   , .cb={.callback=volumeRamp, .handle=&volRampMaster}, .info="set linear step up ramp [default 10]",
+    .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=1, .minval=0, .maxval=100, .step=1, .value=10, .name="Hal-VolRamp-Step-Up"}
+  },
+  { .tag=Vol_Ramp   , .cb={.callback=volumeRamp, .handle=&volRampMaster}, .info="ramp volume linearly according to current ramp setting",
+    .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=1, .minval=0, .maxval=100, .step=1, .name="Hal-VolRamp"}
+  },
+  
   { .tag=EndHalCrlTag}  /* marker for end of the array */
 } ;
 
@@ -53,6 +69,7 @@ STATIC alsaHalSndCardT alsaHalSndCard  = {
     .name  = "Scarlett 18i8 USB", //  WARNING: name MUST match with 'aplay -l'
     .info  = "Hardware Abstraction Layer for Scarlett Focusrite USB professional music sound card",
     .ctls  = alsaHalMap,
+    .volumeCB = NULL, // use default volume normalisation function
 };
 
 
diff --git a/HAL-afb/Unicens-USB/UnicensHAL.c b/HAL-afb/Unicens-USB/UnicensHAL.c
index 66f241f..9a42afd 100644
--- a/HAL-afb/Unicens-USB/UnicensHAL.c
+++ b/HAL-afb/Unicens-USB/UnicensHAL.c
@@ -25,16 +25,7 @@
 #include "hal-interface.h"
 #include "audio-interface.h" 
 
-STATIC struct json_object* MasterOnOff (alsaHalCtlMapT *control, void* handle, struct json_object *valJ) {
-    struct json_object *reponseJ;
-    
-    AFB_INFO ("Power Set value=%s", json_object_get_string(valJ));
-    
-    reponseJ=json_object_new_object();
-    json_object_object_add (reponseJ, "Callback", json_object_new_string("Hello From HAL"));
-    
-    return reponseJ;
-}
+
 
 // Map HAL hight sndctl with Alsa numid and optionally with a custom callback for non Alsa supported functionalities. 
 STATIC alsaHalMapT  alsaHalMap[]= { 
@@ -42,8 +33,6 @@ STATIC alsaHalMapT  alsaHalMap[]= {
   { .tag=PCM_Playback_Volume   , .ctl={.numid=06 } },
   { .tag=PCM_Playback_Switch   , .ctl={.numid=05 } },
   { .tag=Capture_Volume        , .ctl={.numid=12 } },
-  { .tag=Master_OnOff_Switch   , .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_BOOLEAN, .count=1, .name="Power-Switch"},  .cb={.callback=MasterOnOff, .handle=NULL}},
-  { .tag=Master_Playback_Ramp  , .ctl={.numid=0, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=2, .name="Volume-Switch"}, .cb={.callback=MasterOnOff, .handle=NULL}},
 
   { .tag=EndHalCrlTag}  /* marker for end of the array */
 } ;
@@ -66,7 +55,7 @@ STATIC int sndServiceInit () {
 
 // API prefix should be unique for each snd card
 PUBLIC const struct afb_binding_v2 afbBindingV2 = {
-    .api     = "intel-hda",
+    .api     = "unicens-usb",
     .init    = sndServiceInit,
     .verbs   = halServiceApi,
     .onevent = halServiceEvent,
diff --git a/HAL-afb/Unicens-USB/UnicensVol.c b/HAL-afb/Unicens-USB/UnicensVol.c
index ab9787d..cf4f497 100644
--- a/HAL-afb/Unicens-USB/UnicensVol.c
+++ b/HAL-afb/Unicens-USB/UnicensVol.c
@@ -25,8 +25,8 @@
 #include "hal-interface.h"
 #include "audio-interface.h" 
 
-STATIC struct json_object* MasterOnOff (alsaHalCtlMapT *control, void* handle, struct json_object *valJ) {
-    struct json_object *reponseJ;
+STATIC json_object* MasterOnOff (alsaHalCtlMapT *control, void* handle, json_object *valJ) {
+    json_object *reponseJ;
     
     AFB_INFO ("Power Set value=%s", json_object_get_string(valJ));
     
diff --git a/Shared-Interface/audio-interface.h b/Shared-Interface/audio-interface.h
index 01c71cd..453a9c4 100644
--- a/Shared-Interface/audio-interface.h
+++ b/Shared-Interface/audio-interface.h
@@ -60,19 +60,36 @@ typedef enum {
 } halAclEnumT;
 
 typedef enum {
-   StartHalCrlTag=0,
-
-   // HighLevel Audio Control List,
-   Master_Playback_Volume =1,
-   Master_Playback_Ramp   =2,
-   PCM_Playback_Volume    =3,
-   PCM_Playback_Switch    =4,
-   Capture_Volume         =5,
-   Master_OnOff_Switch    =6,
+    StartHalCrlTag=0,
 
+    // volume RAMP
+    Vol_Ramp,        
+    Vol_Ramp_Set_Mode,        
+    Vol_Ramp_Set_Delay,        
+    Vol_Ramp_Set_Down,        
+    Vol_Ramp_Set_Up,        
+    Vol_Ramp_Set_Slave,        
+       
+    // HighLevel Audio Control List,
+    Master_Playback_Volume,
+    Master_Playback_Ramp,
+    PCM_Playback_Volume,
+    PCM_Playback_Switch,
+    Capture_Volume,
+    Master_OnOff_Switch,
+           
    EndHalCrlTag // used to compute number of ctls
 } halCtlsEnumT;
 
+typedef enum {
+   RAMP_VOL_NONE      = 0,
+   RAMP_VOL_NORMAL    = 1,
+   RAMP_VOL_SMOOTH    = 2,
+   RAMP_VOL_EMERGENCY = 3,
+   
+   EndHalVolMod
+    
+} halRampEnumT;
 
 PUBLIC void pingtest(struct afb_req request);
 
diff --git a/conf.d/app-templates b/conf.d/app-templates
-Subproject 8f3bc0b6f25a5560a308078342a8ed3cc6dba13
+Subproject dee58363ddb98f8e63239035f1a8f1ab151c5e9
diff --git a/conf.d/cmake/config.cmake b/conf.d/cmake/config.cmake
index e7801c8..116ed2a 100644
--- a/conf.d/cmake/config.cmake
+++ b/conf.d/cmake/config.cmake
@@ -18,7 +18,7 @@
 
 # Project Info
 # ------------------
-set(PROJECT_NAME unicens-agent)
+set(PROJECT_NAME audio-bindings)
 set(PROJECT_VERSION "0.1")
 set(PROJECT_PRETTY_NAME "Audio Agent")
 set(PROJECT_DESCRIPTION "Expose Alsa through AGL AppFw")
diff --git a/htdocs/CMakeLists.txt b/htdocs/CMakeLists.txt
index 0026b8c..60f6cf8 100644
--- a/htdocs/CMakeLists.txt
+++ b/htdocs/CMakeLists.txt
@@ -23,7 +23,7 @@
 ##################################################
 PROJECT_TARGET_ADD(www_test)
 
-    file(GLOB SOURCE_FILES "*.html" "*.js" "*.jpg")
+    file(GLOB SOURCE_FILES "*.html" "*.js" "*.jpg" "*.css")
 
     add_custom_target(${TARGET_NAME} 
        DEPENDS  ${CMAKE_CURRENT_BINARY_DIR}/${TARGET_NAME}
@@ -43,5 +43,5 @@ PROJECT_TARGET_ADD(www_test)
     )
 
     # use only under native Linux when using "make install"
-    install(DIRECTORY ${CMAKE_CURRENT_LIST_DIR} DESTINATION . FILES_MATCHING PATTERN "*.html"  PATTERN "*.js" PATTERN "*.jpg")
+    install(DIRECTORY ${CMAKE_CURRENT_LIST_DIR} DESTINATION .)
 
diff --git a/htdocs/alsa-core.html b/htdocs/alsa-core.html
index dafd43f..e946bdb 100644
--- a/htdocs/alsa-core.html
+++ b/htdocs/alsa-core.html
@@ -31,16 +31,16 @@
     <br>
     <ol>
     <li><button onclick="callbinder('alsacore','getctl', {devid:sndcard, mode:mode})">Get all Alsa Ctls</button></li>
-    <li><button onclick="callbinder('alsacore','getctl', {devid:sndcard, mode:mode, numid:[numid]})">Get Alsa Ctls [numid]</button></li>
-    <li><button onclick="callbinder('alsacore','getctl', {devid:sndcard, mode:mode, numid:[numid,numid+1]})">Get Alsa Ctls [numid,numid+1]</button></li>
+    <li><button onclick="callbinder('alsacore','getctl', {devid:sndcard, mode:mode, ctl:[numid]})">Get Alsa Ctls [numid]</button></li>
+    <li><button onclick="callbinder('alsacore','getctl', {devid:sndcard, mode:mode, ctl:[numid,numid+1]})">Get Alsa Ctls [numid,numid+1]</button></li>
     <br>
     
     
-    <li><button onclick="callbinder('alsacore','setctl', {devid:sndcard, mode:mode, numid:[[9,20]]})">Set Alsa Ctl numid:[[9,20]]</button></li>
-    <li><button onclick="callbinder('alsacore','setctl', {devid:sndcard, mode:mode, numid:[{id:9,val:50}]})">Set Alsa Ctl numid:[{id:9,val:50}]}</button></li>
-    <li><button onclick="callbinder('alsacore','setctl', {devid:sndcard, mode:mode, numid:[[6,[20,20]]]})">Set Alsa Ctl  numid:[[6,[20,20]]]</button></li>
-    <li><button onclick="callbinder('alsacore','setctl', {devid:sndcard, mode:mode, numid:[{id:6,val:[50,50]}]})">Set Alsa Ctl numid:[{id:2,val:[50,50]}]</button></li>
-    <li><button onclick="callbinder('alsacore','setctl', {devid:sndcard, mode:mode, numid:[{id:6,val:[50,50]}, {id:9,val:50,50}]})">Set Alsa Ctl numid:[{id:6,val:[50,50]}, {id:9,val:50,50}]</button></li>
+    <li><button onclick="callbinder('alsacore','setctl', {devid:sndcard, mode:mode, ctl:[[9,20]]})">Set Alsa Ctl ctl:[[9,20]]</button></li>
+    <li><button onclick="callbinder('alsacore','setctl', {devid:sndcard, mode:mode, ctl:[{id:9,val:50}]})">Set Alsa Ctl ctl:[{id:9,val:50}]}</button></li>
+    <li><button onclick="callbinder('alsacore','setctl', {devid:sndcard, mode:mode, ctl:[[6,[20,20]]]})">Set Alsa Ctl  ctl:[[6,[20,20]]]</button></li>
+    <li><button onclick="callbinder('alsacore','setctl', {devid:sndcard, mode:mode, ctl:[{id:6,val:[50,50]}]})">Set Alsa Ctl ctl:[{id:2,val:[50,50]}]</button></li>
+    <li><button onclick="callbinder('alsacore','setctl', {devid:sndcard, mode:mode, ctl:[{id:6,val:[50,50]}, {id:9,val:50,50}]})">Set Alsa Ctl ctl:[{id:6,val:[50,50]}, {id:9,val:50,50}]</button></li>
     <br>    
     <li><button onclick="callbinder('alsacore','ucmquery', {devid:sndcard, mode:mode})">List UCM verbs</button></li>
     <li><button onclick="callbinder('alsacore','ucmset'  , {devid:sndcard, mode:mode, verb:'HiFi'})">Set UCM HiFi</button></li>
diff --git a/nbproject/configurations.xml b/nbproject/configurations.xml
index 938c355..a54b713 100644
--- a/nbproject/configurations.xml
+++ b/nbproject/configurations.xml
@@ -15,8 +15,8 @@
       <df name="HAL-afb">
         <df name="HAL-interface">
           <in>hal-interface.c</in>
-          <in>hal-volmap.c</in>
-          <in>hal-volmap.h</in>
+          <in>hal-volramp.c</in>
+          <in>hal-volume.c</in>
         </df>
         <df name="HAL-plugin">
           <in>HalPlugCb.c</in>
@@ -74,7 +74,7 @@
   </sourceRootList>
   <projectmakefile>Build/Makefile</projectmakefile>
   <confs>
-    <conf name="Amixer-Dhw_4" type="0">
+    <conf name="Localhost" type="0">
       <toolsSet>
         <compilerSet>GNU|GNU</compilerSet>
         <dependencyChecking>false</dependencyChecking>
@@ -105,16 +105,23 @@
         </preBuild>
       </makefileType>
       <item path="ALSA-afb/Alsa-AddCtl.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="4">
+        <cTool flags="1">
           <incDir>
-            <pElem>../../../opt/include/afb</pElem>
-            <pElem>ALSA-afb</pElem>
+            <pElem>../../../opt/include</pElem>
             <pElem>../../../opt/include/alsa</pElem>
+            <pElem>/usr/include/p11-kit-1</pElem>
             <pElem>/usr/include/json-c</pElem>
             <pElem>Shared-Interface</pElem>
-            <pElem>../../../opt/include</pElem>
             <pElem>build/ALSA-afb</pElem>
           </incDir>
+          <preprocessorList>
+            <Elem>CONTROL_CDEV_RX="/dev/inic-usb-crx"</Elem>
+            <Elem>CONTROL_CDEV_TX="/dev/inic-usb-ctx"</Elem>
+            <Elem>MAX_LINEAR_DB_SCALE=24</Elem>
+            <Elem>MAX_SND_CARD=16</Elem>
+            <Elem>TLV_BYTE_SIZE=256</Elem>
+            <Elem>alsa_lowlevel_EXPORTS</Elem>
+          </preprocessorList>
         </cTool>
       </item>
       <item path="ALSA-afb/Alsa-ApiHat.c" ex="false" tool="0" flavor2="3">
@@ -131,7 +138,6 @@
           <incDir>
             <pElem>../../../opt/include/afb</pElem>
             <pElem>ALSA-afb</pElem>
-            <pElem>../../../opt/include/alsa</pElem>
             <pElem>/usr/include/json-c</pElem>
             <pElem>Shared-Interface</pElem>
             <pElem>../../../opt/include</pElem>
@@ -140,23 +146,15 @@
         </cTool>
       </item>
       <item path="ALSA-afb/Alsa-SetGet.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="1">
+        <cTool flags="4">
           <incDir>
-            <pElem>../../../opt/include</pElem>
-            <pElem>../../../opt/include/alsa</pElem>
-            <pElem>/usr/include/p11-kit-1</pElem>
+            <pElem>../../../opt/include/afb</pElem>
+            <pElem>ALSA-afb</pElem>
             <pElem>/usr/include/json-c</pElem>
             <pElem>Shared-Interface</pElem>
+            <pElem>../../../opt/include</pElem>
             <pElem>build/ALSA-afb</pElem>
           </incDir>
-          <preprocessorList>
-            <Elem>CONTROL_CDEV_RX="/dev/inic-usb-crx"</Elem>
-            <Elem>CONTROL_CDEV_TX="/dev/inic-usb-ctx"</Elem>
-            <Elem>MAX_LINEAR_DB_SCALE=24</Elem>
-            <Elem>MAX_SND_CARD=16</Elem>
-            <Elem>TLV_BYTE_SIZE=256</Elem>
-            <Elem>alsa_lowlevel_EXPORTS</Elem>
-          </preprocessorList>
         </cTool>
       </item>
       <item path="ALSA-afb/Alsa-Ucm.c" ex="false" tool="0" flavor2="3">
@@ -164,10 +162,8 @@
           <incDir>
             <pElem>../../../opt/include/afb</pElem>
             <pElem>ALSA-afb</pElem>
-            <pElem>../../../opt/include/alsa</pElem>
             <pElem>/usr/include/json-c</pElem>
             <pElem>Shared-Interface</pElem>
-            <pElem>../../../opt/include</pElem>
             <pElem>build/ALSA-afb</pElem>
           </incDir>
         </cTool>
@@ -188,7 +184,18 @@
           </incDir>
         </cTool>
       </item>
-      <item path="HAL-afb/HAL-interface/hal-volmap.c" ex="false" tool="0" flavor2="3">
+      <item path="HAL-afb/HAL-interface/hal-volramp.c"
+            ex="false"
+            tool="0"
+            flavor2="3">
+        <cTool flags="4">
+          <incDir>
+            <pElem>Shared-Interface</pElem>
+            <pElem>build/HAL-afb/HAL-interface</pElem>
+          </incDir>
+        </cTool>
+      </item>
+      <item path="HAL-afb/HAL-interface/hal-volume.c" ex="false" tool="0" flavor2="3">
         <cTool flags="4">
           <incDir>
             <pElem>build/HAL-afb/HAL-interface</pElem>
@@ -198,7 +205,6 @@
       <item path="HAL-afb/HAL-plugin/HalPlugCb.c" ex="false" tool="0" flavor2="3">
         <cTool flags="4">
           <incDir>
-            <pElem>../../../opt/include</pElem>
             <pElem>build/HAL-afb/HAL-plugin</pElem>
           </incDir>
         </cTool>
@@ -206,7 +212,6 @@
       <item path="HAL-afb/HAL-plugin/HalPlugCtl.c" ex="false" tool="0" flavor2="3">
         <cTool flags="4">
           <incDir>
-            <pElem>../../../opt/include</pElem>
             <pElem>build/HAL-afb/HAL-plugin</pElem>
           </incDir>
         </cTool>
@@ -214,19 +219,20 @@
       <item path="HAL-afb/HAL-plugin/HalPlugPcm.c" ex="false" tool="0" flavor2="3">
         <cTool flags="2">
           <incDir>
+            <pElem>../../../opt/include/alsa</pElem>
             <pElem>build/HAL-afb/HAL-plugin</pElem>
           </incDir>
         </cTool>
       </item>
       <item path="HAL-afb/HDA-intel/IntelHdaHAL.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="4">
+        <cTool flags="1">
         </cTool>
       </item>
       <item path="HAL-afb/Scarlett-Focusrite/ScarlettUsbHAL.c"
             ex="false"
             tool="0"
             flavor2="3">
-        <cTool flags="4">
+        <cTool flags="1">
         </cTool>
       </item>
       <item path="HAL-afb/Unicens-USB/UnicensHAL.c" ex="false" tool="0" flavor2="3">
@@ -335,7 +341,6 @@
         <cTool>
           <incDir>
             <pElem>HAL-afb/HAL-interface</pElem>
-            <pElem>../../../opt/include/alsa</pElem>
             <pElem>/usr/include/json-c</pElem>
           </incDir>
         </cTool>
@@ -344,39 +349,50 @@
         <cTool>
           <incDir>
             <pElem>HAL-afb/HAL-plugin</pElem>
-            <pElem>../../../opt/include/alsa</pElem>
           </incDir>
         </cTool>
       </folder>
       <folder path="0/HAL-afb/HDA-intel">
         <cTool>
           <incDir>
-            <pElem>HAL-afb/HDA-intel</pElem>
+            <pElem>../../../opt/include</pElem>
             <pElem>../../../opt/include/alsa</pElem>
-            <pElem>Shared-Interface</pElem>
+            <pElem>/usr/include/p11-kit-1</pElem>
+            <pElem>/usr/include/json-c</pElem>
             <pElem>HAL-afb/HAL-interface</pElem>
-            <pElem>../../../opt/include</pElem>
+            <pElem>Shared-Interface</pElem>
             <pElem>build/HAL-afb/HDA-intel</pElem>
           </incDir>
+          <preprocessorList>
+            <Elem>MAX_LINEAR_DB_SCALE=24</Elem>
+            <Elem>TLV_BYTE_SIZE=256</Elem>
+            <Elem>hal_intel_hda_EXPORTS</Elem>
+          </preprocessorList>
         </cTool>
       </folder>
       <folder path="0/HAL-afb/Scarlett-Focusrite">
         <cTool>
           <incDir>
-            <pElem>HAL-afb/Scarlett-Focusrite</pElem>
+            <pElem>../../../opt/include</pElem>
             <pElem>../../../opt/include/alsa</pElem>
-            <pElem>Shared-Interface</pElem>
+            <pElem>/usr/include/p11-kit-1</pElem>
+            <pElem>/usr/include/json-c</pElem>
             <pElem>HAL-afb/HAL-interface</pElem>
-            <pElem>../../../opt/include</pElem>
+            <pElem>Shared-Interface</pElem>
             <pElem>build/HAL-afb/Scarlett-Focusrite</pElem>
           </incDir>
+          <preprocessorList>
+            <Elem>MAX_LINEAR_DB_SCALE=24</Elem>
+            <Elem>TLV_BYTE_SIZE=256</Elem>
+            <Elem>hal_scalett_usb_EXPORTS</Elem>
+          </preprocessorList>
         </cTool>
       </folder>
       <folder path="0/HAL-afb/Unicens-USB">
         <cTool>
           <incDir>
             <pElem>HAL-afb/Unicens-USB</pElem>
-            <pElem>../../../opt/include/alsa</pElem>
+            <pElem>/usr/include/json-c</pElem>
           </incDir>
         </cTool>
       </folder>
@@ -399,7 +415,7 @@
         </cTool>
       </folder>
     </conf>
-    <conf name="Amixer-CTL" type="0">
+    <conf name="Laptop" type="0">
       <toolsSet>
         <compilerSet>GNU|GNU</compilerSet>
         <dependencyChecking>false</dependencyChecking>
@@ -407,9 +423,11 @@
       </toolsSet>
       <flagsDictionary>
         <element flagsID="0" commonFlags="-g -fPIC -fPIC -g"/>
-        <element flagsID="1" commonFlags="-mtune=generic -march=x86-64 -g -fPIC"/>
-        <element flagsID="2" commonFlags="-mtune=generic -march=x86-64 -g -g -fPIC"/>
-        <element flagsID="3" commonFlags="-mtune=generic -march=x86-64 -g -ggdb -fPIC"/>
+        <element flagsID="1" commonFlags="-g -ggdb -fPIC -fPIC -g -ggdb"/>
+        <element flagsID="2" commonFlags="-mtune=generic -march=x86-64 -g -fPIC"/>
+        <element flagsID="3" commonFlags="-mtune=generic -march=x86-64 -g -g -fPIC"/>
+        <element flagsID="4"
+                 commonFlags="-mtune=generic -march=x86-64 -g -ggdb -g -ggdb -fPIC"/>
       </flagsDictionary>
       <codeAssistance>
         <includeAdditional>true</includeAdditional>
@@ -417,7 +435,7 @@
       <makefileType>
         <makeTool>
           <buildCommandWorkingDir>build</buildCommandWorkingDir>
-          <buildCommand>${MAKE} -f Makefile install</buildCommand>
+          <buildCommand>${MAKE} -f Makefile remote-target-populate</buildCommand>
           <cleanCommand>${MAKE} -f Makefile clean</cleanCommand>
           <executablePath>build/CMakeFiles/feature_tests.bin</executablePath>
         </makeTool>
@@ -428,45 +446,47 @@
         </preBuild>
       </makefileType>
       <item path="ALSA-afb/Alsa-AddCtl.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="3">
+        <cTool flags="4">
           <incDir>
-            <pElem>../../../opt/include/alsa</pElem>
             <pElem>/usr/include/json-c</pElem>
+            <pElem>Shared-Interface</pElem>
+            <pElem>../../../opt/include</pElem>
             <pElem>build/ALSA-afb</pElem>
           </incDir>
         </cTool>
       </item>
       <item path="ALSA-afb/Alsa-ApiHat.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="3">
+        <cTool flags="4">
           <incDir>
             <pElem>build/ALSA-afb</pElem>
           </incDir>
         </cTool>
       </item>
       <item path="ALSA-afb/Alsa-RegEvt.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="3">
+        <cTool flags="4">
           <incDir>
-            <pElem>../../../opt/include/alsa</pElem>
             <pElem>/usr/include/json-c</pElem>
+            <pElem>Shared-Interface</pElem>
+            <pElem>../../../opt/include</pElem>
             <pElem>build/ALSA-afb</pElem>
           </incDir>
         </cTool>
       </item>
       <item path="ALSA-afb/Alsa-SetGet.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="3">
+        <cTool flags="4">
           <incDir>
-            <pElem>../../../opt/include/alsa</pElem>
             <pElem>/usr/include/json-c</pElem>
+            <pElem>Shared-Interface</pElem>
+            <pElem>../../../opt/include</pElem>
             <pElem>build/ALSA-afb</pElem>
           </incDir>
         </cTool>
       </item>
       <item path="ALSA-afb/Alsa-Ucm.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="3">
+        <cTool flags="4">
           <incDir>
-            <pElem>../../../opt/include/alsa</pElem>
             <pElem>/usr/include/json-c</pElem>
-            <pElem>../../../opt/include</pElem>
+            <pElem>Shared-Interface</pElem>
             <pElem>build/ALSA-afb</pElem>
           </incDir>
         </cTool>
@@ -479,317 +499,96 @@
             ex="false"
             tool="0"
             flavor2="3">
-        <cTool flags="3">
-        </cTool>
-      </item>
-      <item path="HAL-afb/HAL-interface/hal-volmap.c" ex="false" tool="0" flavor2="0">
-      </item>
-      <item path="HAL-afb/HAL-interface/hal-volmap.h" ex="false" tool="3" flavor2="0">
-      </item>
-      <item path="HAL-afb/HAL-plugin/HalPlugCb.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="3">
-          <incDir>
-            <pElem>HAL-afb/HAL-plugin</pElem>
-            <pElem>../../../opt/include/alsa</pElem>
-            <pElem>../../../opt/include</pElem>
-            <pElem>build/HAL-afb/HAL-plugin</pElem>
-          </incDir>
-        </cTool>
-      </item>
-      <item path="HAL-afb/HAL-plugin/HalPlugCtl.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="3">
-          <incDir>
-            <pElem>HAL-afb/HAL-plugin</pElem>
-            <pElem>../../../opt/include/alsa</pElem>
-            <pElem>../../../opt/include</pElem>
-            <pElem>build/HAL-afb/HAL-plugin</pElem>
-          </incDir>
-        </cTool>
-      </item>
-      <item path="HAL-afb/HAL-plugin/HalPlugPcm.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="1">
+        <cTool flags="4">
           <incDir>
             <pElem>../../../opt/include/afb</pElem>
-            <pElem>HAL-afb/HAL-plugin</pElem>
-            <pElem>../../../opt/include/alsa</pElem>
-            <pElem>build/HAL-afb/HAL-plugin</pElem>
-          </incDir>
-          <preprocessorList>
-            <Elem>CONTROL_CDEV_RX="/dev/inic-usb-crx"</Elem>
-            <Elem>CONTROL_CDEV_TX="/dev/inic-usb-ctx"</Elem>
-            <Elem>MAX_SND_CARD=16</Elem>
-          </preprocessorList>
-        </cTool>
-      </item>
-      <item path="HAL-afb/HDA-intel/IntelHdaHAL.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="3">
-        </cTool>
-      </item>
-      <item path="HAL-afb/Scarlett-Focusrite/ScarlettUsbHAL.c"
-            ex="false"
-            tool="0"
-            flavor2="3">
-        <cTool flags="3">
-        </cTool>
-      </item>
-      <item path="HighLevel-afb/HighLevelApiConf.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="2">
-          <incDir>
-            <pElem>Shared-Interface</pElem>
-            <pElem>../../../opt/include</pElem>
-            <pElem>build/HighLevel-afb</pElem>
-          </incDir>
-        </cTool>
-      </item>
-      <item path="HighLevel-afb/HighLevelBinding.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="2">
-          <incDir>
+            <pElem>HAL-afb/HAL-interface</pElem>
             <pElem>/usr/include/json-c</pElem>
             <pElem>Shared-Interface</pElem>
             <pElem>../../../opt/include</pElem>
-            <pElem>build/HighLevel-afb</pElem>
+            <pElem>build/HAL-afb/HAL-interface</pElem>
           </incDir>
         </cTool>
       </item>
-      <item path="MostVolume/DeviceContainer.cpp" ex="false" tool="1" flavor2="4">
-      </item>
-      <item path="MostVolume/DeviceValue.cpp" ex="false" tool="1" flavor2="4">
-      </item>
-      <item path="MostVolume/Mediator.cpp" ex="false" tool="1" flavor2="4">
-      </item>
-      <item path="MostVolume/external/ConnectionInfo.cpp"
+      <item path="HAL-afb/HAL-interface/hal-volramp.c"
             ex="false"
-            tool="1"
-            flavor2="4">
-      </item>
-      <item path="MostVolume/external/Console.c" ex="false" tool="0" flavor2="2">
-      </item>
-      <item path="MostVolume/external/MacAddr.cpp" ex="false" tool="1" flavor2="4">
-      </item>
-      <item path="MostVolume/external/MostIpc.cpp" ex="false" tool="1" flavor2="4">
-      </item>
-      <item path="MostVolume/external/MostMsg.cpp" ex="false" tool="1" flavor2="4">
-      </item>
-      <item path="MostVolume/external/MostMsgTx.cpp" ex="false" tool="1" flavor2="4">
-      </item>
-      <item path="MostVolume/external/MsgAddr.cpp" ex="false" tool="1" flavor2="4">
-      </item>
-      <item path="MostVolume/external/MsgFilter.cpp" ex="false" tool="1" flavor2="4">
-      </item>
-      <item path="MostVolume/external/Shadow_NetworkMaster.cpp"
-            ex="false"
-            tool="1"
-            flavor2="4">
-      </item>
-      <item path="MostVolume/external/Thread.cpp" ex="false" tool="1" flavor2="4">
-      </item>
-      <item path="MostVolume/libmostvolume.cpp" ex="false" tool="1" flavor2="4">
-      </item>
-      <item path="Shared-Interface/audio-interface.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="3">
-        </cTool>
-      </item>
-      <folder path="0/ALSA-afb">
-        <cTool>
-          <incDir>
-            <pElem>../../../opt/include/afb</pElem>
-            <pElem>ALSA-afb</pElem>
-          </incDir>
-        </cTool>
-      </folder>
-      <folder path="0/Common">
-        <cTool>
+            tool="0"
+            flavor2="3">
+        <cTool flags="1">
           <incDir>
-            <pElem>/usr/include/alsa</pElem>
             <pElem>../../../opt/include</pElem>
+            <pElem>../../../opt/include/alsa</pElem>
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       <item path="HAL-afb/HAL-plugin/HalPlugCb.c" ex="false" tool="0" flavor2="3">
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+        <cTool flags="4">
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         </cTool>
       </item>
       <item path="HAL-afb/HAL-plugin/HalPlugCtl.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="1">
+        <cTool flags="4">
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             <pElem>../../../opt/include/alsa</pElem>
             <pElem>build/HAL-afb/HAL-plugin</pElem>
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       <item path="HAL-afb/HDA-intel/IntelHdaHAL.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="1">
+        <cTool flags="4">
         </cTool>
       </item>
       <item path="HAL-afb/Scarlett-Focusrite/ScarlettUsbHAL.c"
             ex="false"
             tool="0"
             flavor2="3">
-        <cTool flags="1">
+        <cTool flags="4">
+        </cTool>
+      </item>
+      <item path="HAL-afb/Unicens-USB/UnicensHAL.c" ex="false" tool="0" flavor2="3">
+        <cTool flags="4">
+          <incDir>
+            <pElem>Shared-Interface</pElem>
+            <pElem>HAL-afb/HAL-interface</pElem>
+            <pElem>../../../opt/include</pElem>
+            <pElem>build/HAL-afb/Unicens-USB</pElem>
+          </incDir>
+        </cTool>
+      </item>
+      <item path="HAL-afb/Unicens-USB/UnicensVol.c" ex="false" tool="0" flavor2="3">
+        <cTool flags="4">
+          <incDir>
+            <pElem>HAL-afb/HAL-interface</pElem>
+            <pElem>build/HAL-afb/Unicens-USB</pElem>
+          </incDir>
         </cTool>
       </item>
       <item path="HighLevel-afb/HighLevelApiConf.c" ex="false" tool="0" flavor2="3">
@@ -846,25 +645,15 @@
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       </item>
       <item path="Shared-Interface/audio-interface.c" ex="false" tool="0" flavor2="3">
-        <cTool flags="1">
+        <cTool flags="4">
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       <folder path="0/ALSA-afb">
         <cTool>
           <incDir>
-            <pElem>../../../opt/include</pElem>
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-            <pElem>/usr/include/p11-kit-1</pElem>
-            <pElem>/usr/include/json-c</pElem>
-            <pElem>Shared-Interface</pElem>
-            <pElem>build/ALSA-afb</pElem>
+            <pElem>../../../opt/include/afb</pElem>
+            <pElem>ALSA-afb</pElem>
           </incDir>
-          <preprocessorList>
-            <Elem>CONTROL_CDEV_RX="/dev/inic-usb-crx"</Elem>
-            <Elem>CONTROL_CDEV_TX="/dev/inic-usb-ctx"</Elem>
-            <Elem>MAX_SND_CARD=16</Elem>
-            <Elem>alsa_lowlevel_EXPORTS</Elem>
-          </preprocessorList>
         </cTool>
       </folder>
       <folder path="0/Common">
@@ -894,49 +683,43 @@
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+      <folder path="0/HAL-afb/HAL-plugin">
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-            <pElem>HAL-afb/HAL-interface</pElem>
-            <pElem>Shared-Interface</pElem>
-            <pElem>build/HAL-afb/HAL-interface</pElem>
+            <pElem>HAL-afb/HAL-plugin</pElem>
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       <folder path="0/HAL-afb/HDA-intel">
         <cTool>
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-            <pElem>../../../opt/include</pElem>
-            <pElem>../../../opt/include/alsa</pElem>
-            <pElem>/usr/include/p11-kit-1</pElem>
+            <pElem>HAL-afb/HDA-intel</pElem>
             <pElem>/usr/include/json-c</pElem>
-            <pElem>HAL-afb/HAL-interface</pElem>
             <pElem>Shared-Interface</pElem>
+            <pElem>HAL-afb/HAL-interface</pElem>
+            <pElem>../../../opt/include</pElem>
             <pElem>build/HAL-afb/HDA-intel</pElem>
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-          <preprocessorList>
-            <Elem>hal_intel_hda_EXPORTS</Elem>
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         </cTool>
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       <folder path="0/HAL-afb/Scarlett-Focusrite">
         <cTool>
           <incDir>
-            <pElem>../../../opt/include</pElem>
-            <pElem>../../../opt/include/alsa</pElem>
-            <pElem>/usr/include/p11-kit-1</pElem>
+            <pElem>HAL-afb/Scarlett-Focusrite</pElem>
             <pElem>/usr/include/json-c</pElem>
-            <pElem>HAL-afb/HAL-interface</pElem>
             <pElem>Shared-Interface</pElem>
+            <pElem>HAL-afb/HAL-interface</pElem>
+            <pElem>../../../opt/include</pElem>
             <pElem>build/HAL-afb/Scarlett-Focusrite</pElem>
           </incDir>
-          <preprocessorList>
-            <Elem>hal_scalett_usb_EXPORTS</Elem>
-          </preprocessorList>
+        </cTool>
+      </folder>
+      <folder path="0/HAL-afb/Unicens-USB">
+        <cTool>
+          <incDir>
+            <pElem>HAL-afb/Unicens-USB</pElem>
+            <pElem>/usr/include/json-c</pElem>
+          </incDir>
         </cTool>
       </folder>
       <folder path="0/HighLevel-afb">
@@ -950,18 +733,11 @@
       <folder path="0/Shared-Interface">
         <cTool>
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-            <pElem>../../../opt/include/alsa</pElem>
-            <pElem>/usr/include/p11-kit-1</pElem>
-            <pElem>/usr/include/json-c</pElem>
+            <pElem>../../../opt/include/afb</pElem>
             <pElem>Shared-Interface</pElem>
+            <pElem>/usr/include/json-c</pElem>
             <pElem>build/Shared-Interface</pElem>
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-            <Elem>CONTROL_CDEV_RX="/dev/inic-usb-crx"</Elem>
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diff --git a/nbproject/project.xml b/nbproject/project.xml
index 442a905..3e443c4 100644
--- a/nbproject/project.xml
+++ b/nbproject/project.xml
@@ -14,15 +14,11 @@
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             <confList>
                 <confElem>
-                    <name>Amixer-Dhw_4</name>
+                    <name>Localhost</name>
                     <type>0</type>
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                 <confElem>
-                    <name>Amixer-CTL</name>
-                    <type>0</type>
-                </confElem>
-                <confElem>
-                    <name>Amixer-Set</name>
+                    <name>Laptop</name>
                     <type>0</type>
                 </confElem>
             </confList>