SR_PRIV int kecheng_kc_330b_configure(const struct sr_dev_inst *sdi);
SR_PRIV int kecheng_kc_330b_set_date_time(struct sr_dev_inst *sdi);
SR_PRIV int kecheng_kc_330b_recording_get(const struct sr_dev_inst *sdi,
SR_PRIV int kecheng_kc_330b_configure(const struct sr_dev_inst *sdi);
SR_PRIV int kecheng_kc_330b_set_date_time(struct sr_dev_inst *sdi);
SR_PRIV int kecheng_kc_330b_recording_get(const struct sr_dev_inst *sdi,