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authorThierry Bultel <thierry.bultel@iot.bzh>2019-02-13 11:19:25 +0100
committerThierry Bultel <thierry.bultel@iot.bzh>2019-02-18 15:47:41 +0100
commit0e9718e4158355093b281c1376ba9b0ed049d447 (patch)
tree544588fd10e04c50b49035e62b3657adbc49f047 /plugins/alsa/alsa-api-pcm.c
parente3209c82faf706d492057d541781f0d5abe78db7 (diff)
alsa-api-pcm: added support of quirks
Adds an optional array of quirks in the parameters of playback and captures. For now, the only known quirk is a needed workarround for writing sound output on the minnow board. Change-Id: I6c65d110a1f9333ccb77cd8f4eeb9c088d0d2eca Signed-off-by: Thierry Bultel <thierry.bultel@iot.bzh>
Diffstat (limited to 'plugins/alsa/alsa-api-pcm.c')
-rw-r--r--plugins/alsa/alsa-api-pcm.c34
1 files changed, 30 insertions, 4 deletions
diff --git a/plugins/alsa/alsa-api-pcm.c b/plugins/alsa/alsa-api-pcm.c
index 7fa97e1..26ea9dd 100644
--- a/plugins/alsa/alsa-api-pcm.c
+++ b/plugins/alsa/alsa-api-pcm.c
@@ -536,7 +536,7 @@ 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 +554,7 @@ 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 !}"
, "uid", &pcm->uid
, "pcmplug_params", &pcm->sndcard->cid.pcmplug_params
, "path", &pcm->sndcard->cid.devpath
@@ -564,9 +564,10 @@ PUBLIC AlsaSndPcmT * ApiPcmAttachOne(SoftMixerT *mixer, const char *uid, snd_pcm
, "sink", &sinkJ
, "source", &sourceJ
, "params", &paramsJ
+ , "quirks", &quirksJ
);
if (error) {
- AFB_API_ERROR(mixer->api, "%s: hal=%s missing 'uid|path|cardid|device|sink|source|params' error=%s args=%s",
+ AFB_API_ERROR(mixer->api, "%s: hal=%s missing 'uid|path|cardid|device|sink|source|params|quirks' error=%s args=%s",
__func__, uid, wrap_json_get_error_string(error), json_object_get_string(argsJ));
goto fail_pcm_sndcard;
}
@@ -579,8 +580,10 @@ PUBLIC AlsaSndPcmT * ApiPcmAttachOne(SoftMixerT *mixer, const char *uid, snd_pcm
// try to open sound card control interface
pcm->sndcard->ctl = AlsaByPathOpenCtl(mixer, pcm->uid, pcm->sndcard);
if (!pcm->sndcard->ctl) {
+
AFB_API_ERROR(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 +661,29 @@ 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 +767,7 @@ PUBLIC AlsaSndPcmT * ApiPcmAttachOne(SoftMixerT *mixer, const char *uid, snd_pcm
goto fail_pcm_uid;
}
}
-
+done:
return pcm;
fail_pcm_uid: