- int (*dev_acquisition_start) (int dev_index, void *session_dev_id);
- int (*dev_acquisition_stop) (int dev_index, void *session_dev_id);
+ int (*dev_acquisition_start) (const struct sr_dev_inst *sdi,
+ void *cb_data);
+ int (*dev_acquisition_stop) (const struct sr_dev_inst *sdi,
+ void *cb_data);