+ std_session_send_df_header(cb_data, LOG_PREFIX);
+
+ interval = (devc->config[0x1c] | (devc->config[0x1d] << 8)) * 1000;
+ packet.type = SR_DF_META;
+ packet.payload = &meta;
+ src = sr_config_new(SR_CONF_SAMPLE_INTERVAL, g_variant_new_uint64(interval));
+ meta.config = g_slist_append(NULL, src);
+ sr_session_send(devc->cb_data, &packet);
+ g_free(src);