Format: remove blank space at EOL

Change-Id: I786ac8d5be68bdf09d5bb6c883959d6e1963c1fe
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

11 files changed, 130 insertions, 130 deletions

diff --git a/HAL-afb/HAL_MOST_UNICENS/CMakeLists.txt b/HAL-afb/HAL_MOST_UNICENS/CMakeLists.txt
index eb4d1d6..5935b72 100644
--- a/HAL-afb/HAL_MOST_UNICENS/CMakeLists.txt
+++ b/HAL-afb/HAL_MOST_UNICENS/CMakeLists.txt
@@ -33,7 +33,7 @@ PROJECT_TARGET_ADD(hal-most-unicens)
     )
 
     # Library dependencies (include updates automatically)
-    TARGET_LINK_LIBRARIES(${TARGET_NAME} 
+    TARGET_LINK_LIBRARIES(${TARGET_NAME}
         hal-interface
         audio-common
         ucs2-volume
diff --git a/HAL-afb/HAL_MOST_UNICENS/README.md b/HAL-afb/HAL_MOST_UNICENS/README.md
index a0cc190..4ce4261 100644
--- a/HAL-afb/HAL_MOST_UNICENS/README.md
+++ b/HAL-afb/HAL_MOST_UNICENS/README.md
@@ -42,7 +42,7 @@ card 2: ep022ch [Microchip MOST:2], device 0: ep02-2ch []
   Subdevice #0: subdevice #0
 
 ```
-Choose the first sound card with 6 channels, e.g. if you see ```ep01-6ch``` just 
+Choose the first sound card with 6 channels, e.g. if you see ```ep01-6ch``` just
 take ```Microchip MOST:1```.
 
 If you get messed up with card enumeration the following action may help:
diff --git a/HAL-afb/HAL_MOST_UNICENS/hal_most_unicens.c b/HAL-afb/HAL_MOST_UNICENS/hal_most_unicens.c
index 4405e61..2eb96b8 100644
--- a/HAL-afb/HAL_MOST_UNICENS/hal_most_unicens.c
+++ b/HAL-afb/HAL_MOST_UNICENS/hal_most_unicens.c
@@ -13,9 +13,9 @@
  * 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 
+#define _GNU_SOURCE
 #include <string.h>
 #include "hal-interface.h"
 #include "audio-common.h"
@@ -37,32 +37,32 @@ static int pcm_volume[PCM_MAX_CHANNELS];
 void unicens_master_vol_cb(halCtlsTagT tag, alsaHalCtlMapT *control, void* handle,  json_object *j_obj) {
 
     const char *j_str = json_object_to_json_string(j_obj);
-    
+
     if (wrap_json_unpack(j_obj, "[i!]", &master_volume) == 0) {
         AFB_NOTICE("master_volume: %s, value=%d", j_str, master_volume);
         wrap_volume_master(master_volume);
     }
     else {
         AFB_NOTICE("master_volume: INVALID STRING %s", j_str);
-    } 
+    }
 }
 
 void unicens_master_switch_cb(halCtlsTagT tag, alsaHalCtlMapT *control, void* handle,  json_object *j_obj) {
 
     const char *j_str = json_object_to_json_string(j_obj);
-    
+
     if (wrap_json_unpack(j_obj, "[b!]", &master_switch) == 0) {
         AFB_NOTICE("master_switch: %s, value=%d", j_str, master_switch);
     }
     else {
         AFB_NOTICE("master_switch: INVALID STRING %s", j_str);
-    }    
+    }
 }
 
 void unicens_pcm_vol_cb(halCtlsTagT tag, alsaHalCtlMapT *control, void* handle,  json_object *j_obj) {
 
     const char *j_str = json_object_to_json_string(j_obj);
-    
+
     if (wrap_json_unpack(j_obj, "[iiiiii!]", &pcm_volume[0], &pcm_volume[1], &pcm_volume[2], &pcm_volume[3],
                                              &pcm_volume[4], &pcm_volume[5]) == 0) {
         AFB_NOTICE("pcm_vol: %s", j_str);
@@ -74,15 +74,15 @@ void unicens_pcm_vol_cb(halCtlsTagT tag, alsaHalCtlMapT *control, void* handle,
 }
 
 /* declare ALSA mixer controls */
-STATIC alsaHalMapT  alsaHalMap[]= { 
+STATIC alsaHalMapT  alsaHalMap[]= {
   { .tag=Master_Playback_Volume, .cb={.callback=unicens_master_vol_cb, .handle=&master_volume}, .info="Sets master playback volume",
-    .ctl={.numid=1, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=1, .minval=0, .maxval=100, .step=1, .value=50, .name="Master Playback Volume"}   
+    .ctl={.numid=1, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=1, .minval=0, .maxval=100, .step=1, .value=50, .name="Master Playback Volume"}
   },
   /*{ .tag=Master_OnOff_Switch, .cb={.callback=unicens_master_switch_cb, .handle=&master_switch}, .info="Sets master playback switch",
-    .ctl={.numid=2, .type=SND_CTL_ELEM_TYPE_BOOLEAN, .count=1, .minval=0, .maxval=1, .step=1, .value=1, .name="Master Playback Switch"}   
+    .ctl={.numid=2, .type=SND_CTL_ELEM_TYPE_BOOLEAN, .count=1, .minval=0, .maxval=1, .step=1, .value=1, .name="Master Playback Switch"}
   },*/
   { .tag=PCM_Playback_Volume, .cb={.callback=unicens_pcm_vol_cb, .handle=&pcm_volume}, .info="Sets PCM playback volume",
-    .ctl={.numid=3, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=6, .minval=0, .maxval=100, .step=1, .value=100, .name="PCM Playback Volume"}   
+    .ctl={.numid=3, .type=SND_CTL_ELEM_TYPE_INTEGER, .count=6, .minval=0, .maxval=100, .step=1, .value=100, .name="PCM Playback Volume"}
   },
   { .tag=EndHalCrlTag}              /* marker for end of the array */
 } ;
@@ -100,19 +100,19 @@ STATIC int unicens_service_init() {
     int err = 0;
     char *config_file = NULL;
     AFB_NOTICE("Initializing HAL-MOST-UNICENS-BINDING");
-    
+
     err = halServiceInit(afbBindingV2.api, &alsaHalSndCard);
     if (err) {
         AFB_ERROR("Cannot initialize ALSA soundcard.");
         goto OnErrorExit;
-    }    
-    
+    }
+
     err= afb_daemon_require_api("UNICENS", 1);
     if (err) {
         AFB_ERROR("Failed to access UNICENS API");
         goto OnErrorExit;
     }
-    
+
     err = wrap_ucs_getconfig_sync(UCS2_CFG_PATH, &config_file);
     if (err || (config_file == NULL)) {
         AFB_ERROR("Failed to retrieve configuration");
@@ -121,46 +121,46 @@ STATIC int unicens_service_init() {
     else {
         AFB_NOTICE("Found configuration: %s", config_file);
     }
-    
+
     err = wrap_ucs_subscribe_sync();
     if (err) {
         AFB_ERROR("Failed to subscribe to UNICENS binding");
         goto OnErrorExit;
     }
-    
+
     err = wrap_ucs_initialize_sync(config_file);
     free(config_file);
     config_file = NULL;
-    
+
     if (err) {
         AFB_ERROR("Failed to initialize UNICENS binding");
         goto OnErrorExit;
     }
-    
+
     err = wrap_volume_init();
     if (err) {
         AFB_ERROR("Failed to initialize wrapper for volume library");
         goto OnErrorExit;
     }
-    
+
 OnErrorExit:
     AFB_NOTICE("Initializing HAL-MOST-UNICENS-BINDING done..");
     return err;
 }
 
-// This receive all event this binding subscribe to 
+// This receive all event this binding subscribe to
 PUBLIC void unicens_event_cb(const char *evtname, json_object *j_event) {
-    
+
     if (strncmp(evtname, "alsacore/", 9) == 0) {
         halServiceEvent(evtname, j_event);
         return;
     }
-    
+
     if (strncmp(evtname, "UNICENS/", 8) == 0) {
         AFB_NOTICE("unicens_event_cb: evtname=%s [msg=%s]", evtname, json_object_get_string(j_event));
         return;
     }
-    
+
     AFB_NOTICE("unicens_event_cb: UNHANDLED EVENT, evtname=%s [msg=%s]", evtname, json_object_get_string(j_event));
 }
 
diff --git a/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/CMakeLists.txt b/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/CMakeLists.txt
index 8735677..c734639 100644
--- a/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/CMakeLists.txt
+++ b/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/CMakeLists.txt
@@ -18,7 +18,7 @@
 
 
 
-# Define subproject targets    
+# Define subproject targets
 ADD_SUBDIRECTORY(src)
 
 
diff --git a/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/inc/device_value.h b/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/inc/device_value.h
index 21fdbdc..5364662 100644
--- a/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/inc/device_value.h
+++ b/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/inc/device_value.h
@@ -69,7 +69,7 @@ public:
     bool RequiresUpdate();      // returns true if target is not actual value
                                 // returns true if success, false if failed
                                 // -> stop transmission
-    bool FireUpdateMessage(lib_most_volume_writei2c_cb_t writei2c_fptr, 
+    bool FireUpdateMessage(lib_most_volume_writei2c_cb_t writei2c_fptr,
                            lib_most_volume_writei2c_result_cb_t result_fptr,
                            void *result_user_ptr);// fires message & updates actual value
 
diff --git a/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/inc/libmostvolume.h b/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/inc/libmostvolume.h
index 1d7249d..94d5a1c 100644
--- a/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/inc/libmostvolume.h
+++ b/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/inc/libmostvolume.h
@@ -60,13 +60,13 @@ typedef void (*lib_most_volume_writei2c_result_cb_t)(uint8_t result, void *user_
   * \return         Returns \c 0 for success, other value on failure.
   */
 typedef int (*lib_most_volume_writei2c_cb_t)(uint16_t node, uint8_t *data_ptr, uint8_t data_sz,
-                                            lib_most_volume_writei2c_result_cb_t result_fptr, 
+                                            lib_most_volume_writei2c_result_cb_t result_fptr,
                                             void *result_user_ptr);
 
 typedef struct lib_most_volume_init_ {
     lib_most_volume_service_cb_t  service_cb;
     lib_most_volume_writei2c_cb_t writei2c_cb;
-    
+
 } lib_most_volume_init_t;
 
 
diff --git a/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/src/device_container.cpp b/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/src/device_container.cpp
index cef25b1..40177fc 100644
--- a/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/src/device_container.cpp
+++ b/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/src/device_container.cpp
@@ -112,7 +112,7 @@ void CDeviceContainer::Update()
     {
         return;
     }
-    
+
     for (cnt = 0u; cnt < this->_values_sz; cnt++)   /* just run one cycle */
     {
         IncrementProcIndex();
diff --git a/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/src/device_value.cpp b/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/src/device_value.cpp
index b8c681e..5a74354 100644
--- a/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/src/device_value.cpp
+++ b/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/src/device_value.cpp
@@ -93,14 +93,14 @@ bool CDeviceValue::RequiresUpdate()
     return false;
 }
 
-bool CDeviceValue::FireUpdateMessage(lib_most_volume_writei2c_cb_t writei2c_fptr, 
+bool CDeviceValue::FireUpdateMessage(lib_most_volume_writei2c_cb_t writei2c_fptr,
                                      lib_most_volume_writei2c_result_cb_t result_fptr,
                                      void *result_user_ptr)
 {
     int ret;
     ApplyMostValue(this->_target_value, _type, _tx_payload);
 
-    ret = writei2c_fptr(this->_address, &_tx_payload[0], _tx_payload_sz, 
+    ret = writei2c_fptr(this->_address, &_tx_payload[0], _tx_payload_sz,
                         result_fptr,
                         result_user_ptr);
 
diff --git a/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/src/libmostvolume.cpp b/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/src/libmostvolume.cpp
index a90b5b1..72d2b04 100644
--- a/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/src/libmostvolume.cpp
+++ b/HAL-afb/HAL_MOST_UNICENS/ucs2-vol/src/libmostvolume.cpp
@@ -72,7 +72,7 @@ extern "C" uint8_t lib_most_volume_set(enum lib_most_volume_channel_t channel, u
 }
 
 extern "C" uint8_t lib_most_volume_service(void)
-{   
+{
     uint8_t success = 1U;
     /*std::cerr << "lib_most_volume_service(): called" << std::endl;*/
 
@@ -81,6 +81,6 @@ extern "C" uint8_t lib_most_volume_service(void)
         CSetup::GetInstance()->Update();
         success = 0U;
     }
-    
+
     return success;
 }
diff --git a/HAL-afb/HAL_MOST_UNICENS/wrap_unicens.c b/HAL-afb/HAL_MOST_UNICENS/wrap_unicens.c
index dc82568..0923c26 100644
--- a/HAL-afb/HAL_MOST_UNICENS/wrap_unicens.c
+++ b/HAL-afb/HAL_MOST_UNICENS/wrap_unicens.c
@@ -13,9 +13,9 @@
  * 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 
+#define _GNU_SOURCE
 #define AFB_BINDING_VERSION 2
 
 #include <string.h>
@@ -31,24 +31,24 @@ typedef struct async_job_ {
 
 typedef struct parse_result_ {
     int done;
-    char *str_result;  
-} parse_result_t; 
+    char *str_result;
+} parse_result_t;
 
 /* Subscribes to unicens2-binding events.
  * \return  Returns 0 if successful, otherwise != 0".
  */
 extern int wrap_ucs_subscribe_sync() {
-    
+
     json_object *j_response, *j_query = NULL;
     int err;
-    
+
     /* Build an empty JSON object */
     err = wrap_json_pack(&j_query, "{}");
     if (err) {
         AFB_ERROR("Failed to create subscribe json object");
-        goto OnErrorExit; 
+        goto OnErrorExit;
     }
-    
+
     err = afb_service_call_sync("UNICENS", "subscribe", j_query, &j_response);
     if (err) {
         AFB_ERROR("Fail subscribing to UNICENS events");
@@ -60,7 +60,7 @@ extern int wrap_ucs_subscribe_sync() {
     }
     json_object_put(j_query);
     j_query = NULL;
-    
+
 OnErrorExit:
     if (j_query)
         json_object_put(j_query);
@@ -69,52 +69,52 @@ OnErrorExit:
 
 /* Checks if name ends with a given letter. */
 static int wrap_ucs_string_ends_with(const char *name, char letter) {
-    
+
     int result = 0;
     size_t len = strlen(name);
-    
+
     if (len > 0) {
-        
+
         if (name[len] == letter) {
             result = 1;
         }
     }
-    
+
     return result;
 }
 
 /* Callback for iteration through found files. Marks search as "done" as
- * soon as the search pattern "kit.xml" matches.  
+ * soon as the search pattern "kit.xml" matches.
  * \param closure   User reference. Points to parse_result_t.
  * \param j_obj     Points to json object within array.
  */
 static void wrap_ucs_find_xml_cb(void *closure, struct json_object *j_obj) {
-    
+
     const char *dir, *name;
     parse_result_t *result;
-    
+
     if (!closure)
         return;
-    
-    result = (parse_result_t *)closure; 
+
+    result = (parse_result_t *)closure;
     if (result->done)
         return;
-    
+
     wrap_json_unpack(j_obj, "{s:s, s:s}", "dirpath", &dir, "basename", &name);
     AFB_DEBUG("Found file: %s", name);
-    
+
     if(strstr(name, "kit.xml") != NULL) {
         size_t sz = strlen(dir)+strlen(name)+10;
         char * full_path = malloc(sz);
-        
+
         strncpy(full_path, dir, sz);
-        
+
         if (!wrap_ucs_string_ends_with(dir, '/'))
             strncat(full_path, "/", sz);
-        
+
         strncat(full_path, name, sz);
         AFB_DEBUG("Found XML file: %s", full_path);
-        
+
         result->done = 1;
         result->str_result = full_path;
     }
@@ -127,24 +127,24 @@ static void wrap_ucs_find_xml_cb(void *closure, struct json_object *j_obj) {
  * \return  Returns 0 if successful, otherwise != 0".
  */
 extern int wrap_ucs_getconfig_sync(const char *config_path, char **file_found) {
-    
+
     int err = 0;
     json_object *j_response, *j_query, *j_paths = NULL;
     parse_result_t result = {.done = 0, .str_result = NULL};
-    
+
     *file_found = NULL;
-    
+
     /* Build JSON object to retrieve UNICENS configuration */
     if ((config_path == NULL) || (strcmp(config_path, "") == 0))
         err = wrap_json_pack(&j_query, "{}");
     else
         err = wrap_json_pack(&j_query, "{s:s}", "cfgpath", config_path);
-    
+
     if (err) {
         AFB_ERROR("Failed to create listconfig json object");
-        goto OnErrorExit; 
+        goto OnErrorExit;
     }
-    
+
     err = afb_service_call_sync("UNICENS", "listconfig", j_query, &j_response);
     if (err) {
         AFB_ERROR("Failed to call listconfig");
@@ -152,13 +152,13 @@ extern int wrap_ucs_getconfig_sync(const char *config_path, char **file_found) {
     }
     else {
         AFB_DEBUG("UNICENS listconfig result, res=%s", json_object_to_json_string(j_response));
-        
+
         if (json_object_object_get_ex(j_response, "response", &j_paths)) {
-            
+
             AFB_DEBUG("UNICENS listconfig result, paths=%s", json_object_to_json_string(j_paths));
-        
+
             wrap_json_optarray_for_all(j_paths, &wrap_ucs_find_xml_cb, &result);
-            
+
             if (result.done) {
                 *file_found = strdup(result.str_result);
                 free(result.str_result);
@@ -169,12 +169,12 @@ extern int wrap_ucs_getconfig_sync(const char *config_path, char **file_found) {
                 err = -1;
             }
         }
-        
+
         json_object_put(j_response);
     }
     json_object_put(j_query);
     j_query = NULL;
-    
+
 OnErrorExit:
     if (j_query)
         json_object_put(j_query);
@@ -183,22 +183,22 @@ OnErrorExit:
 
 /* Initializes the unicens2-binding.
  * \param   file_name     Path to XML configuration file or \c NULL for
- *                        first found file in default path. 
+ *                        first found file in default path.
  * \return  Returns 0 if successful, otherwise != 0".
  */
 extern int wrap_ucs_initialize_sync(const char *file_name) {
     json_object *j_response, *j_query = NULL;
     int err;
-    
+
     /* Build JSON object to initialize UNICENS */
-    if (file_name != NULL) 
+    if (file_name != NULL)
         err = wrap_json_pack(&j_query, "{s:s}", "filename", file_name);
     else
         err = wrap_json_pack(&j_query, "{}");
-    
+
     if (err) {
         AFB_ERROR("Failed to create initialize json object");
-        goto OnErrorExit; 
+        goto OnErrorExit;
     }
     err = afb_service_call_sync("UNICENS", "initialise", j_query, &j_response);
     if (err) {
@@ -209,10 +209,10 @@ extern int wrap_ucs_initialize_sync(const char *file_name) {
         AFB_NOTICE("Initialized UNICENS, res=%s", json_object_to_json_string(j_response));
         json_object_put(j_response);
     }
-    
+
     json_object_put(j_query);
     j_query = NULL;
-    
+
 OnErrorExit:
     if (j_query)
         json_object_put(j_query);
@@ -221,7 +221,7 @@ OnErrorExit:
 
 /* Write I2C command to a network node.
  * \param   node     Node address
- * \param   data_ptr Reference to command data 
+ * \param   data_ptr Reference to command data
  * \param   data_sz  Size of the command data. Valid values: 1..32.
  * \return  Returns 0 if successful, otherwise != 0".
  */
@@ -233,22 +233,22 @@ extern int wrap_ucs_i2cwrite_sync(uint16_t node, uint8_t *data_ptr, uint8_t data
 
     j_query = json_object_new_object();
     j_array = json_object_new_array();
-    
+
     if (!j_query || !j_array) {
         err = -1;
         AFB_ERROR("Failed to create writei2c json objects");
-        goto OnErrorExit; 
-    }     
-    
+        goto OnErrorExit;
+    }
+
     for (cnt = 0U; cnt < data_sz; cnt++) {
         json_object_array_add(j_array, json_object_new_int(data_ptr[cnt]));
     }
-    
+
     json_object_object_add(j_query, "node", json_object_new_int(node));
     json_object_object_add(j_query, "data", j_array);
- 
+
     err = afb_service_call_sync("UNICENS", "writei2c", j_query, &j_response);
-    
+
     if (err) {
         AFB_ERROR("Failed to call writei2c_sync");
         goto OnErrorExit;
@@ -257,40 +257,40 @@ extern int wrap_ucs_i2cwrite_sync(uint16_t node, uint8_t *data_ptr, uint8_t data
         AFB_INFO("Called writei2c_sync, res=%s", json_object_to_json_string(j_response));
         json_object_put(j_response);
     }
-    
+
     json_object_put(j_query);
     j_query = NULL;
 
 OnErrorExit:
     if (j_query)
         json_object_put(j_query);
-    return err;  
+    return err;
 }
 
 /* ------------------ ASYNCHRONOUS API ---------------------------------------*/
 
 static void wrap_ucs_i2cwrite_cb(void *closure, int status, struct json_object *j_result) {
-    
+
     AFB_INFO("wrap_ucs_i2cwrite_cb: closure=%p status=%d, res=%s", closure, status, json_object_to_json_string(j_result));
-    
+
     if (closure) {
         async_job_t *job_ptr = (async_job_t *)closure;
-        
+
         if (job_ptr->result_fptr)
             job_ptr->result_fptr(0U, job_ptr->result_user_ptr);
-        
+
         free(closure);
     }
 }
 
 /* Write I2C command to a network node.
  * \param   node     Node address
- * \param   data_ptr Reference to command data 
+ * \param   data_ptr Reference to command data
  * \param   data_sz  Size of the command data. Valid values: 1..32.
  * \return  Returns 0 if successful, otherwise != 0".
  */
 extern int wrap_ucs_i2cwrite(uint16_t node, uint8_t *data_ptr, uint8_t data_sz,
-                             wrap_ucs_result_cb_t result_fptr, 
+                             wrap_ucs_result_cb_t result_fptr,
                              void *result_user_ptr) {
 
     json_object *j_query, *j_array = NULL;
@@ -300,31 +300,31 @@ extern int wrap_ucs_i2cwrite(uint16_t node, uint8_t *data_ptr, uint8_t data_sz,
 
     j_query = json_object_new_object();
     j_array = json_object_new_array();
-    
+
     if (!j_query || !j_array) {
         err = -1;
         AFB_ERROR("Failed to create writei2c json objects");
-        goto OnErrorExit; 
-    }     
-    
+        goto OnErrorExit;
+    }
+
     for (cnt = 0U; cnt < data_sz; cnt++) {
         json_object_array_add(j_array, json_object_new_int(data_ptr[cnt]));
     }
-    
+
     json_object_object_add(j_query, "node", json_object_new_int(node));
     json_object_object_add(j_query, "data", j_array);
-    
+
     job_ptr = malloc(sizeof(async_job_t));
-    
+
     if (!job_ptr) {
         err = -1;
         AFB_ERROR("Failed to create async job object");
-        goto OnErrorExit; 
+        goto OnErrorExit;
     }
-    
+
     job_ptr->result_fptr = result_fptr;
     job_ptr->result_user_ptr = result_user_ptr;
- 
+
     afb_service_call("UNICENS", "writei2c", j_query, wrap_ucs_i2cwrite_cb, job_ptr);
     err = 0;
     j_query = NULL;
@@ -332,5 +332,5 @@ extern int wrap_ucs_i2cwrite(uint16_t node, uint8_t *data_ptr, uint8_t data_sz,
 OnErrorExit:
     if (j_query)
         json_object_put(j_query);
-    return err;  
+    return err;
 }
diff --git a/HAL-afb/HAL_MOST_UNICENS/wrap_volume.c b/HAL-afb/HAL_MOST_UNICENS/wrap_volume.c
index cf70647..8087a04 100644
--- a/HAL-afb/HAL_MOST_UNICENS/wrap_volume.c
+++ b/HAL-afb/HAL_MOST_UNICENS/wrap_volume.c
@@ -13,9 +13,9 @@
  * 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 
+#define _GNU_SOURCE
 #define AFB_BINDING_VERSION 2
 
 #include <string.h>
@@ -31,88 +31,88 @@
 static int wrap_volume_service_timeout_cb(sd_event_source* source,
         uint64_t timer __attribute__((__unused__)),
         void *userdata __attribute__((__unused__))) {
-    
+
     uint8_t ret;
 
     sd_event_source_unref(source);
     ret = lib_most_volume_service();
-    
+
     if (ret != 0U) {
         AFB_ERROR("lib_most_volume_service returns %d", ret);
     }
-    
+
     return 0;
 }
 
 static void wrap_volume_service_cb(uint16_t timeout) {
     uint64_t usec;
     sd_event_now(afb_daemon_get_event_loop(), CLOCK_BOOTTIME, &usec);
-    sd_event_add_time(  afb_daemon_get_event_loop(), NULL, CLOCK_MONOTONIC, 
-                        usec + (timeout*1000), 
-                        250, 
-                        wrap_volume_service_timeout_cb, 
+    sd_event_add_time(  afb_daemon_get_event_loop(), NULL, CLOCK_MONOTONIC,
+                        usec + (timeout*1000),
+                        250,
+                        wrap_volume_service_timeout_cb,
                         NULL);
 }
 
 /* Retrieves a new value adapted to a new maximum value. Minimum value is
  * always zero. */
 static int wrap_volume_calculate(int value, int max_old, int max_new) {
-    
+
     if (value > max_old)
         value = max_old;
-    
+
     value = (value * max_new) / max_old; /* calculate range: 0..255 */
     assert(value <= max_new);
-    
+
     return value;
 }
 
 extern int wrap_volume_init(void) {
-    
+
     uint8_t ret = 0U;
     lib_most_volume_init_t mv_init;
-    
+
     mv_init.writei2c_cb = &wrap_ucs_i2cwrite;
     mv_init.service_cb = wrap_volume_service_cb;
-    
+
     ret = lib_most_volume_init(&mv_init);
-    
+
     return ret * (-1);
 }
 
 extern int wrap_volume_master(int volume) {
-    
+
     int new_value, ret;
-    
+
     new_value = wrap_volume_calculate(volume, 100, 255);
     ret = lib_most_volume_set(LIB_MOST_VOLUME_MASTER, (uint8_t)new_value);
-    
+
     if (ret != 0) {
         AFB_ERROR("wrap_volume_master: volume library not ready.");
         ret = ret * (-1); /* make return value negative */
     }
-    
+
     return ret;
 }
 
 extern int wrap_volume_pcm(int *volume_ptr, int volume_sz) {
-    
+
     const int MAX_PCM_CHANNELS = 6;
     int cnt, ret;
     assert(volume_ptr != NULL);
     assert(volume_sz <= MAX_PCM_CHANNELS);
-    
+
     for (cnt = 0; cnt < volume_sz; cnt ++) {
-        
+
         int new_value = wrap_volume_calculate(volume_ptr[cnt], 100, 255);
         ret = lib_most_volume_set((enum lib_most_volume_channel_t)cnt, (uint8_t)new_value);
-        
+
         if (ret != 0) {
             AFB_ERROR("wrap_volume_pcm: volume library not ready.");
             ret = ret * (-1); /* make return value negative */
             break;
         }
     }
-    
+
     return ret;
 }