SR_PRIV int cv_set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate);
SR_PRIV int cv_read_block(struct dev_context *devc);
SR_PRIV void cv_send_block_to_session_bus(struct dev_context *devc, int block);
SR_PRIV int cv_set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate);
SR_PRIV int cv_read_block(struct dev_context *devc);
SR_PRIV void cv_send_block_to_session_bus(struct dev_context *devc, int block);