SR_PRIV int std_hw_init(struct sr_context *sr_ctx, struct sr_dev_driver *di,
const char *prefix);
SR_PRIV int std_hw_dev_acquisition_stop_serial(struct sr_dev_inst *sdi,
SR_PRIV int std_hw_init(struct sr_context *sr_ctx, struct sr_dev_driver *di,
const char *prefix);
SR_PRIV int std_hw_dev_acquisition_stop_serial(struct sr_dev_inst *sdi,