-SR_PRIV int dso_enable_trigger(struct dev_context *devc);
-SR_PRIV int dso_force_trigger(struct dev_context *devc);
-SR_PRIV int dso_init(struct dev_context *devc);
-SR_PRIV int dso_get_capturestate(struct dev_context *devc,
+SR_PRIV int dso_enable_trigger(const struct sr_dev_inst *sdi);
+SR_PRIV int dso_force_trigger(const struct sr_dev_inst *sdi);
+SR_PRIV int dso_init(const struct sr_dev_inst *sdi);
+SR_PRIV int dso_get_capturestate(const struct sr_dev_inst *sdi,