+SR_PRIV int lecroy_xstream_channel_state_set(const struct sr_dev_inst *sdi,
+ const int ch_index, gboolean ch_state)
+{
+ GSList *l;
+ struct sr_channel *ch;
+ struct dev_context *devc = NULL;
+ struct scope_state *state;
+ char command[MAX_COMMAND_SIZE];
+ gboolean chan_found;
+ int result;
+
+ result = SR_OK;
+
+ devc = sdi->priv;
+ state = devc->model_state;
+ chan_found = FALSE;
+
+ for (l = sdi->channels; l; l = l->next) {
+ ch = l->data;
+
+ switch (ch->type) {
+ case SR_CHANNEL_ANALOG:
+ if (ch->index == ch_index) {
+ g_snprintf(command, sizeof(command), "C%d:TRACE %s", ch_index + 1,
+ (ch_state ? "ON" : "OFF"));
+ if ((sr_scpi_send(sdi->conn, command) != SR_OK ||
+ sr_scpi_get_opc(sdi->conn) != SR_OK)) {
+ result = SR_ERR;
+ break;
+ }
+
+ ch->enabled = ch_state;
+ state->analog_channels[ch->index].state = ch_state;
+ chan_found = TRUE;
+ break;
+ }
+ break;
+ default:
+ result = SR_ERR_NA;
+ }
+ }
+
+ if ((result == SR_OK) && !chan_found)
+ result = SR_ERR_BUG;
+
+ return result;
+}
+
+SR_PRIV int lecroy_xstream_update_sample_rate(const struct sr_dev_inst *sdi,
+ int num_of_samples)