- devc->cb_data = cb_data;
- devc->sent_samples = 0;
- devc->acq_aborted = FALSE;
- devc->empty_transfer_count = 0;
-
- if ((trigger = sr_session_trigger_get(sdi->session))) {
- devc->stl = soft_trigger_logic_new(sdi, trigger);
- devc->trigger_fired = FALSE;
- } else
- devc->trigger_fired = TRUE;
-
- timeout = fx2lafw_get_timeout(devc);
- num_transfers = fx2lafw_get_number_of_transfers(devc);
- size = fx2lafw_get_buffer_size(devc);
- devc->submitted_transfers = 0;
-
- devc->transfers = g_try_malloc0(sizeof(*devc->transfers) * num_transfers);
- if (!devc->transfers) {
- sr_err("USB transfers malloc failed.");
- return SR_ERR_MALLOC;
- }
-
- devc->num_transfers = num_transfers;
- for (i = 0; i < num_transfers; i++) {
- if (!(buf = g_try_malloc(size))) {
- sr_err("USB transfer buffer malloc failed.");
- return SR_ERR_MALLOC;
- }
- transfer = libusb_alloc_transfer(0);
- libusb_fill_bulk_transfer(transfer, usb->devhdl,
- 2 | LIBUSB_ENDPOINT_IN, buf, size,
- fx2lafw_receive_transfer, (void *)sdi, timeout);
- if ((ret = libusb_submit_transfer(transfer)) != 0) {
- sr_err("Failed to submit transfer: %s.",
- libusb_error_name(ret));
- libusb_free_transfer(transfer);
- g_free(buf);
- fx2lafw_abort_acquisition(devc);
- return SR_ERR;
- }
- devc->transfers[i] = transfer;
- devc->submitted_transfers++;
- }
-
- devc->ctx = drvc->sr_ctx;
-
- usb_source_add(sdi->session, devc->ctx, timeout, receive_data, NULL);
-
- /* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, LOG_PREFIX);
-
- if ((ret = fx2lafw_command_start_acquisition(sdi)) != SR_OK) {
- fx2lafw_abort_acquisition(devc);
- return ret;
+ switch (key) {
+ case SR_CONF_SCAN_OPTIONS:
+ case SR_CONF_DEVICE_OPTIONS:
+ if (cg)
+ return SR_ERR_NA;
+ return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
+ case SR_CONF_SAMPLERATE:
+ if (!devc)
+ return SR_ERR_NA;
+ *data = std_gvar_samplerates(devc->samplerates, devc->num_samplerates);
+ break;
+ case SR_CONF_TRIGGER_MATCH:
+ *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches));
+ break;
+ default:
+ return SR_ERR_NA;