Merge "post_proc: release vol listener object based on context"

    int status = -EINVAL;

    bool recompute_flag = false;

    int active_stream_count = 0;

    uint32_t session_id;

    uint32_t stream_type;

    effect_uuid_t uuid;

    ALOGV("%s context %p", __func__, handle);

        return status;

    }

    pthread_mutex_lock(&vol_listner_init_lock);

    session_id = recv_contex->session_id;

    stream_type = recv_contex->stream_type;

    if (recv_contex->desc == NULL) {

        ALOGE("%s: Got NULL descriptor, session %u, stream type %u",

                __func__, session_id, stream_type);

        dump_list_l();

        pthread_mutex_unlock(&vol_listner_init_lock);

        return status;

    }

    uuid = recv_contex->desc->uuid;

    // check if the handle/context provided is valid

    list_for_each_safe(node, temp_node_next, &vol_effect_list) {

        context = node_to_item(node, struct vol_listener_context_s, effect_list_node);

        if ((memcmp(&(context->desc->uuid), &uuid, sizeof(effect_uuid_t)) == 0)

            && (context->session_id == session_id)

            && (context->stream_type == stream_type)) {

        if (context == recv_contex) {

            ALOGV("--- Found something to remove ---");

            list_remove(node);

            PRINT_STREAM_TYPE(context->stream_type);

            if (verify_context(context)) {

                recompute_flag = true;