1 files changed, 53 insertions, 9 deletions

diff --git a/plugins/alsa/alsa-api-pcm.c b/plugins/alsa/alsa-api-pcm.c
index ce74982..464a725 100644
--- a/plugins/alsa/alsa-api-pcm.c
+++ b/plugins/alsa/alsa-api-pcm.c
@@ -384,14 +384,17 @@ PUBLIC void ApiPcmDelParams(SoftMixerT* mixer, AlsaPcmHwInfoT* params) {
 }
 
 PUBLIC void ApiPcmParamsShow(SoftMixerT * mixer, const char *msg, const AlsaPcmHwInfoT * params) {
-	AFB_ApiInfo(mixer->api, "%s PARAMS: rate=%d, format=%d, formatString=%s",
-			msg, params->rate, params->format, params->formatString);
+	AFB_ApiInfo(mixer->api, "%s PARAMS: rate=%d, format=%d, formatString=%s, channels %d",
+			msg, params->rate, params->format, params->formatString, params->channels);
 
 }
 
 PUBLIC AlsaPcmHwInfoT * ApiPcmSetParams(SoftMixerT *mixer, const char *uid, json_object * paramsJ) {
 
     const char *format = NULL, *access = NULL;
+
+    AFB_API_NOTICE(mixer->api, "%s for %s: params are %s", __func__, uid, json_object_get_string(paramsJ));
+
 	AlsaPcmHwInfoT *params = calloc(1, sizeof (AlsaPcmHwInfoT));
 	if (params == NULL) {
 		SOFTMIXER_NOMEM(mixer->api);
@@ -405,10 +408,11 @@ PUBLIC AlsaPcmHwInfoT * ApiPcmSetParams(SoftMixerT *mixer, const char *uid, json
 
     if (paramsJ) {
         int error =
-				wrap_json_unpack(paramsJ, "{s?i,s?s,s?s !}",
+				wrap_json_unpack(paramsJ, "{s?i,s?s,s?s,s?i !}",
 							 "rate",	&params->rate,
 							 "format",  &format,
-				             "access",  &access);
+				             "access",  &access,
+							 "channels", &params->channels);
         if (error) {
 			AFB_ApiError(mixer->api, "%s: sndcard=%s invalid params=%s",
 					__func__, uid, json_object_get_string(paramsJ));
@@ -416,6 +420,9 @@ PUBLIC AlsaPcmHwInfoT * ApiPcmSetParams(SoftMixerT *mixer, const char *uid, json
         }
     }
 
+	AFB_API_NOTICE(mixer->api, "%s:%s rate set to %d", __func__, uid, params->rate);
+	AFB_API_NOTICE(mixer->api, "%s:%s channels set to %d", __func__, uid, params->channels);
+
     // default format
 	if (!format) {
         params->format = SND_PCM_FORMAT_S16_LE;
@@ -502,7 +509,9 @@ PUBLIC void ApiPcmDelete(SoftMixerT * mixer, AlsaSndPcmT * pcm) {
 
 	pcmChannelsDestroy(mixer, pcm);
 
-	snd_ctl_close(card->ctl);
+	if (card->ctl)
+		snd_ctl_close(card->ctl);
+
 	free(card);
 	free ((char*)pcm->mute.name);
 	free ((char*)pcm->volume.name);
@@ -536,7 +545,7 @@ fail:
 
 PUBLIC AlsaSndPcmT * ApiPcmAttachOne(SoftMixerT *mixer, const char *uid, snd_pcm_stream_t direction, json_object * argsJ) {
 
-    json_object *sourceJ = NULL, *paramsJ = NULL, *sinkJ = NULL, *targetJ = NULL;
+	json_object *sourceJ = NULL, *paramsJ = NULL, *sinkJ = NULL, *targetJ = NULL, *quirksJ = NULL;
     char *apiVerb = NULL, *apiInfo = NULL;
 	apiVerbHandleT *handle = NULL;
     int error;
@@ -554,7 +563,7 @@ PUBLIC AlsaSndPcmT * ApiPcmAttachOne(SoftMixerT *mixer, const char *uid, snd_pcm
 	}
 	CDS_INIT_LIST_HEAD(&pcm->sndcard->registryList);
 
-    error = wrap_json_unpack(argsJ, "{ss,s?s,s?s,s?s,s?i,s?i,s?o,s?o,s?o !}"
+	error = wrap_json_unpack(argsJ, "{ss,s?s,s?s,s?s,s?i,s?i,s?o,s?o,s?o,s?o,s?b !}"
             , "uid", &pcm->uid
 			, "pcmplug_params", &pcm->sndcard->cid.pcmplug_params
             , "path", &pcm->sndcard->cid.devpath
@@ -564,9 +573,11 @@ PUBLIC AlsaSndPcmT * ApiPcmAttachOne(SoftMixerT *mixer, const char *uid, snd_pcm
             , "sink", &sinkJ
             , "source", &sourceJ
             , "params", &paramsJ
+			, "quirks", &quirksJ
+			, "optional", &pcm->optional
             );
     if (error) {
-		AFB_ApiError(mixer->api, "%s: hal=%s missing 'uid|path|cardid|device|sink|source|params' error=%s args=%s",
+		AFB_ApiError(mixer->api, "%s: hal=%s missing 'uid|path|cardid|device|sink|source|params|quirks|optional' error=%s args=%s",
 				__func__, uid, wrap_json_get_error_string(error), json_object_get_string(argsJ));
 		goto fail_pcm_sndcard;
     }
@@ -576,11 +587,21 @@ PUBLIC AlsaSndPcmT * ApiPcmAttachOne(SoftMixerT *mixer, const char *uid, snd_pcm
 	else
 		pcm->isPcmPlug = false;
 
+	pcm->sndcard->optional = pcm->optional;
+
     // try to open sound card control interface
     pcm->sndcard->ctl = AlsaByPathOpenCtl(mixer, pcm->uid, pcm->sndcard);
     if (!pcm->sndcard->ctl) {
+		if (pcm->optional) {
+
+			AFB_API_INFO(mixer->api, "%s: hal=%s Fail to open OPTIONAL sndcard uid=%s devpath=%s cardid=%s",
+					__func__, uid, pcm->uid, pcm->sndcard->cid.devpath, pcm->sndcard->cid.cardid);
+			goto done;
+		}
+
 		AFB_ApiError(mixer->api, "%s: hal=%s Fail to open sndcard uid=%s devpath=%s cardid=%s",
 				__func__, uid, pcm->uid, pcm->sndcard->cid.devpath, pcm->sndcard->cid.cardid);
+
 		goto fail_pcm_sndcard;
     }
 
@@ -658,6 +679,29 @@ PUBLIC AlsaSndPcmT * ApiPcmAttachOne(SoftMixerT *mixer, const char *uid, snd_pcm
 
 	pcm->sndcard->params->channels = pcm->nbChannels;
 
+	if (quirksJ) {
+		int nbQuirks = (int) json_object_array_length(quirksJ);
+
+		for (int idx = 0; idx < nbQuirks; idx++) {
+			json_object * quirkJ = json_object_array_get_idx(quirksJ, idx);
+
+			if (!json_object_is_type(quirkJ, json_type_string)) {
+				AFB_API_ERROR(mixer->api, "%s: hal=%s quirk must be of type string, arg=%s",
+							 __func__, uid, json_object_get_string(quirkJ));
+				goto fail_pcm_channels;
+		    }
+			const char * quirk = json_object_get_string(quirkJ);
+
+#define QUIRK_CHECK(quirkS, quirk) \
+			if (!strcmp(quirkS, #quirk)) { \
+				pcm->quirks |= quirk; \
+				AFB_API_INFO(mixer->api, "%s: PCM=%s has quirk %s",__func__, uid, #quirk);\
+			}
+
+		    QUIRK_CHECK(quirk, QUIRK_BOGUS_POLL_REVENTS_DEMANGLING);
+		}
+	}
+
     if (controlsJ) {
         json_object *volJ = NULL, *muteJ = NULL;
         error = wrap_json_unpack(controlsJ, "{s?o,s?o !}"
@@ -741,7 +785,7 @@ PUBLIC AlsaSndPcmT * ApiPcmAttachOne(SoftMixerT *mixer, const char *uid, snd_pcm
 			goto fail_pcm_uid;
 		}
 	}
-
+done:
     return pcm;
 
 fail_pcm_uid: