- GSList *devices;
-
- struct drv_context *drvc;
- struct sr_dev_inst *sdi;
-
- const char *serial_device;
- const char *serial_options;
-
- serial_device = NULL;
- serial_options = SERIALCOMM;
-
- sdi = NULL;
- devices = NULL;
- drvc = di->priv;
- drvc->instances = NULL;
-
- if (sr_serial_extract_options(options, &serial_device,
- &serial_options) == SR_OK) {
- sdi = hameg_probe_serial_device(serial_device, serial_options);
-
- if (sdi != NULL) {
- devices = g_slist_append(devices, sdi);
- drvc->instances = g_slist_append(drvc->instances, sdi);
- }
-
- } else {
- GSList *l;
- GSList *tty_devices;
-
- unsigned int i;
-
- tty_devices = NULL;
-
- for (i = 0; i < ARRAY_SIZE(ho_models); i++) {
- if ((l = auto_find_usb(ho_models[i].vendor_id,
- ho_models[i].product_id)) == NULL)
- continue;
-
- tty_devices = g_slist_concat(tty_devices, l);
- }
-
- for (l = tty_devices; l; l = l->next) {
- sdi = hameg_probe_serial_device(l->data, serial_options);
- if (sdi != NULL) {
- devices = g_slist_append(devices, sdi);
- drvc->instances = g_slist_append(drvc->instances, sdi);
- }
- }
-
- g_slist_free_full(tty_devices, g_free);
- }
-
- return devices;