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-rw-r--r--ALSA-afb/Alsa-RegEvt.c60
-rw-r--r--ALSA-afb/Alsa-SetGet.c2
-rw-r--r--ALSA-afb/CMakeLists.txt8
3 files changed, 49 insertions, 21 deletions
diff --git a/ALSA-afb/Alsa-RegEvt.c b/ALSA-afb/Alsa-RegEvt.c
index 61885f7..6344e2d 100644
--- a/ALSA-afb/Alsa-RegEvt.c
+++ b/ALSA-afb/Alsa-RegEvt.c
@@ -36,8 +36,10 @@ typedef struct {
} sndHandleT;
typedef struct {
+ char *devid;
char *apiprefix;
- char *shortname;
+ char *shortname;
+ char *longname;
}cardRegistryT;
cardRegistryT *cardRegistry[MAX_SND_CARD+1];
@@ -111,7 +113,7 @@ STATIC int sndCtlEventCB (sd_event_source* src, int fd, uint32_t revents, void*
// Subscribe to every Alsa CtlEvent send by a given board
PUBLIC void alsaEvtSubcribe (afb_req request) {
static sndHandleT sndHandles[MAX_SND_CARD];
- evtHandleT *evtHandle;
+ evtHandleT *evtHandle=NULL;
snd_ctl_t *ctlDev=NULL;
int err, idx, cardId, idxFree=-1;
snd_ctl_card_info_t *cardinfo;
@@ -207,7 +209,7 @@ PUBLIC void alsaEvtSubcribe (afb_req request) {
}
// Subscribe to every Alsa CtlEvent send by a given board
-PUBLIC void alsaGetCardId (afb_req request) {
+STATIC json_object *alsaProbeCardId (afb_req request) {
char devid [10];
const char *devname, *shortname, *longname;
int card, err, index, idx;
@@ -265,11 +267,17 @@ PUBLIC void alsaGetCardId (afb_req request) {
}
}
- afb_req_success(request, responseJ, NULL);
- return;
+ return responseJ;
- OnErrorExit:
- return;
+ OnErrorExit:
+ return NULL;
+}
+
+// Make alsaProbeCardId compatible with AFB request
+PUBLIC void alsaGetCardId (afb_req request) {
+
+ json_object *responseJ = alsaProbeCardId (request);
+ if (responseJ) afb_req_success(request, responseJ, NULL);
}
// Return list of active resgistrated HAL with corresponding sndcard
@@ -281,7 +289,9 @@ PUBLIC void alsaActiveHal (afb_req request) {
json_object *haldevJ = json_object_new_object();
json_object_object_add(haldevJ, "api", json_object_new_string(cardRegistry[idx]->apiprefix));
- json_object_object_add(haldevJ, "devid", json_object_new_string(cardRegistry[idx]->shortname));
+ if (cardRegistry[idx]->devid) json_object_object_add(haldevJ, "devid", json_object_new_string(cardRegistry[idx]->devid));
+ if (cardRegistry[idx]->shortname)json_object_object_add(haldevJ, "shortname", json_object_new_string(cardRegistry[idx]->shortname));
+ if (cardRegistry[idx]->longname) json_object_object_add(haldevJ, "longname", json_object_new_string(cardRegistry[idx]->longname));
json_object_array_add (responseJ, haldevJ);
}
@@ -292,6 +302,7 @@ PUBLIC void alsaActiveHal (afb_req request) {
// Register loaded HAL with board Name and API prefix
PUBLIC void alsaRegisterHal (afb_req request) {
static int index=0;
+ json_object *responseJ;
const char *shortname, *apiPrefix;
apiPrefix = afb_req_value(request, "prefix");
@@ -310,15 +321,32 @@ PUBLIC void alsaRegisterHal (afb_req request) {
afb_req_fail_f (request, "alsahal-toomany", "Fail to register sndname=[%s]", shortname);
goto OnErrorExit;
}
-
+
// alsaGetCardId should be check to register only valid card
- cardRegistry[index]= malloc (sizeof(cardRegistry));
- cardRegistry[index]->apiprefix=strdup(apiPrefix);
- cardRegistry[index]->shortname=strdup(shortname);
- index++;cardRegistry[index]=NULL;
-
- alsaGetCardId(request);
-
+ responseJ= alsaProbeCardId(request);
+ if (responseJ) {
+ json_object *tmpJ;
+ int done;
+
+ cardRegistry[index]= malloc (sizeof(cardRegistry));
+ cardRegistry[index]->apiprefix=strdup(apiPrefix);
+ cardRegistry[index]->shortname=strdup(shortname);
+
+ done= json_object_object_get_ex (responseJ, "devid" , &tmpJ);
+ if (done) cardRegistry[index]->devid = strdup (json_object_get_string(tmpJ));
+ else cardRegistry[index]->devid=NULL;
+
+ done = json_object_object_get_ex (responseJ, "longname" , &tmpJ);
+ if (done) cardRegistry[index]->longname = strdup (json_object_get_string(tmpJ));
+ else cardRegistry[index]->longname=NULL;
+
+ // make sure register close with a null value
+ index++;
+ cardRegistry[index]=NULL;
+
+ afb_req_success(request, responseJ, NULL);
+ }
+
// If OK return sound card Alsa ID+Info
return;
diff --git a/ALSA-afb/Alsa-SetGet.c b/ALSA-afb/Alsa-SetGet.c
index 56dc32f..31406f3 100644
--- a/ALSA-afb/Alsa-SetGet.c
+++ b/ALSA-afb/Alsa-SetGet.c
@@ -448,7 +448,7 @@ STATIC json_object *getControlAcl (snd_ctl_elem_info_t *info) {
PUBLIC int alsaSetSingleCtl (snd_ctl_t *ctlDev, snd_ctl_elem_id_t *elemId, ctlRequestT *ctlRequest) {
snd_ctl_elem_value_t *elemData;
snd_ctl_elem_info_t *elemInfo;
- int count, length, err, valueIsArray;
+ int count, length, err, valueIsArray=0;
// let's make sure we are processing the right control
if (ctlRequest->numId != snd_ctl_elem_id_get_numid (elemId)) goto OnErrorExit;
diff --git a/ALSA-afb/CMakeLists.txt b/ALSA-afb/CMakeLists.txt
index 4ca7158..443acbd 100644
--- a/ALSA-afb/CMakeLists.txt
+++ b/ALSA-afb/CMakeLists.txt
@@ -20,10 +20,10 @@
PROJECT_TARGET_ADD(alsa-lowlevel)
# Define project Targets
- ADD_LIBRARY(alsa-lowlevel MODULE Alsa-ApiHat.c Alsa-SetGet.c Alsa-Ucm.c Alsa-AddCtl.c Alsa-RegEvt.c)
+ ADD_LIBRARY(${TARGET_NAME} MODULE Alsa-ApiHat.c Alsa-SetGet.c Alsa-Ucm.c Alsa-AddCtl.c Alsa-RegEvt.c)
# Binder exposes a unique public entry point
- SET_TARGET_PROPERTIES(alsa-lowlevel PROPERTIES
+ SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES
PREFIX "afb-"
LABELS "BINDING"
LINK_FLAGS ${BINDINGS_LINK_FLAG}
@@ -31,11 +31,11 @@ PROJECT_TARGET_ADD(alsa-lowlevel)
)
# Library dependencies (include updates automatically)
- TARGET_LINK_LIBRARIES(alsa-lowlevel
+ TARGET_LINK_LIBRARIES(${TARGET_NAME}
audio-interface
${link_libraries}
)
# installation directory
- INSTALL(TARGETS alsa-lowlevel
+ INSTALL(TARGETS ${TARGET_NAME}
LIBRARY DESTINATION ${BINDINGS_INSTALL_DIR})