-SR_PRIV uint8_t dso_get_capturestate(struct context *ctx);
-SR_PRIV uint8_t dso_capture_start(struct context *ctx);
+SR_PRIV int dso_get_capturestate(struct context *ctx, uint8_t *capturestate,
+ uint32_t *trigger_offset);
+SR_PRIV int dso_capture_start(struct context *ctx);