hal: add support for FFV get params
-Audio HAL to support FFV get_paramters via sound trigger
callback.
-FFV needs clients to pass down the SM handle info to get a few
paramerters with respect to the given SM handle but standard
get_parameters doesn't support kvpairs for input keys, it does
support for return of kvpairs, add support for a new delimiter
which will be used while sending keys in get_parameter.
-Enable Keep alive for Red Dragon
-Adjust volume gains based on the systems team tuned values
Change-Id: I96c7214b4a084568862e3550eaabbb9d51e253d9
diff --git a/hal/audio_extn/soundtrigger.c b/hal/audio_extn/soundtrigger.c
index 50bebf7..a233bad 100644
--- a/hal/audio_extn/soundtrigger.c
+++ b/hal/audio_extn/soundtrigger.c
@@ -81,6 +81,7 @@
AUDIO_EVENT_CAPTURE_STREAM_INACTIVE,
AUDIO_EVENT_CAPTURE_STREAM_ACTIVE,
AUDIO_EVENT_BATTERY_STATUS_CHANGED,
+ AUDIO_EVENT_GET_PARAM
} audio_event_type_t;
typedef enum {
@@ -123,6 +124,13 @@
int device;
};
+struct sound_trigger_get_param_data {
+ char *param;
+ int sm_handle;
+ struct str_parms *reply;
+};
+
+
struct audio_event_info {
union {
ssr_event_status_t status;
@@ -131,6 +139,7 @@
struct audio_read_samples_info aud_info;
char str_value[ST_EVENT_CONFIG_MAX_STR_VALUE];
struct audio_hal_usecase usecase;
+ struct sound_trigger_get_param_data st_get_param_data;
} u;
struct sound_trigger_device_info device_info;
};
@@ -166,6 +175,11 @@
#define SOUND_TRIGGER_LIBRARY_PATH "/vendor/lib/hw/sound_trigger.primary.%s.so"
#endif
+#define SVA_PARAM_DIRECTION_OF_ARRIVAL "st_direction_of_arrival"
+#define SVA_PARAM_CHANNEL_INDEX "st_channel_index"
+
+#define MAX_STR_LENGTH_FFV_PARAMS 30
+#define MAX_FFV_SESSION_ID 100
/*
* Current proprietary API version used by AHAL. Queried by STHAL
* for compatibility check with AHAL
@@ -585,12 +599,46 @@
}
}
+static int extract_sm_handle(const char *keys, char *paramstr) {
+ char *tmpstr, *token;
+ char *inputstr = NULL;
+ int value = -EINVAL;
+
+ if (keys == NULL || paramstr == NULL)
+ goto exit;
+
+ inputstr = strdup(keys);
+ token =strtok_r(inputstr,":",&tmpstr);
+
+ if (token == NULL)
+ goto exit;
+
+ ALOGD("%s input string <%s> param string <%s>", __func__, keys,token);
+ strlcpy(paramstr, token, MAX_STR_LENGTH_FFV_PARAMS);
+ token =strtok_r(NULL,":=",&tmpstr);
+
+ if (token == NULL)
+ goto exit;
+
+ value = atoi(token);
+ if (value > 0 && value < MAX_FFV_SESSION_ID)
+ ALOGD(" %s SVA sm handle<=%d>",__func__, value);
+
+exit:
+ if (inputstr != NULL)
+ free(inputstr);
+
+ return value;
+}
void audio_extn_sound_trigger_get_parameters(const struct audio_device *adev __unused,
- struct str_parms *query, struct str_parms *reply)
+ struct str_parms *query,
+ struct str_parms *reply)
{
audio_event_info_t event;
int ret;
- char value[32];
+ char value[32], paramstr[MAX_STR_LENGTH_FFV_PARAMS];
+
+ ALOGD("%s input string<%s>", __func__, str_parms_to_str(query));
ret = str_parms_get_str(query, "SVA_EXEC_MODE_STATUS", value,
sizeof(value));
@@ -598,6 +646,23 @@
st_dev->st_callback(AUDIO_EVENT_SVA_EXEC_MODE_STATUS, &event);
str_parms_add_int(reply, "SVA_EXEC_MODE_STATUS", event.u.value);
}
+
+ ret = extract_sm_handle(str_parms_to_str(query), paramstr);
+
+ if ((ret >= 0) && !strncmp(paramstr, SVA_PARAM_DIRECTION_OF_ARRIVAL,
+ MAX_STR_LENGTH_FFV_PARAMS)) {
+ event.u.st_get_param_data.sm_handle = ret;
+ event.u.st_get_param_data.param = SVA_PARAM_DIRECTION_OF_ARRIVAL;
+ event.u.st_get_param_data.reply = reply;
+ st_dev->st_callback(AUDIO_EVENT_GET_PARAM, &event);
+ } else if ((ret >=0) && !strncmp(paramstr, SVA_PARAM_CHANNEL_INDEX,
+ MAX_STR_LENGTH_FFV_PARAMS)) {
+ event.u.st_get_param_data.sm_handle = ret;
+ event.u.st_get_param_data.param = SVA_PARAM_CHANNEL_INDEX;
+ event.u.st_get_param_data.reply = reply;
+ st_dev->st_callback(AUDIO_EVENT_GET_PARAM, &event);
+ }
+
}
int audio_extn_sound_trigger_init(struct audio_device *adev)