SR_PRIV int lecroy_xstream_state_get(struct sr_dev_inst *sdi);
SR_PRIV int lecroy_xstream_channel_state_set(const struct sr_dev_inst *sdi,
const int ch_index, gboolean ch_state);
SR_PRIV int lecroy_xstream_state_get(struct sr_dev_inst *sdi);
SR_PRIV int lecroy_xstream_channel_state_set(const struct sr_dev_inst *sdi,
const int ch_index, gboolean ch_state);