SR_PRIV int sigma_write_register(uint8_t reg, uint8_t *data, size_t len,
struct dev_context *devc);
SR_PRIV int sigma_set_register(uint8_t reg, uint8_t value, struct dev_context *devc);
SR_PRIV int sigma_write_trigger_lut(struct triggerlut *lut, struct dev_context *devc);
SR_PRIV void sigma_clear_helper(void *priv);
SR_PRIV int sigma_write_register(uint8_t reg, uint8_t *data, size_t len,
struct dev_context *devc);
SR_PRIV int sigma_set_register(uint8_t reg, uint8_t value, struct dev_context *devc);
SR_PRIV int sigma_write_trigger_lut(struct triggerlut *lut, struct dev_context *devc);
SR_PRIV void sigma_clear_helper(void *priv);