-SR_PRIV int la8_write(struct context *ctx, uint8_t *buf, int size);
-SR_PRIV int la8_read(struct context *ctx, uint8_t *buf, int size);
-SR_PRIV int la8_close(struct context *ctx);
-SR_PRIV int la8_close_usb_reset_sequencer(struct context *ctx);
-SR_PRIV int la8_reset(struct context *ctx);
-SR_PRIV int configure_probes(struct context *ctx, const GSList *probes);
-SR_PRIV int set_samplerate(struct sr_dev_inst *sdi, uint64_t samplerate);
-SR_PRIV int la8_read_block(struct context *ctx);
-SR_PRIV void send_block_to_session_bus(struct context *ctx, int block);
+SR_PRIV int la8_write(struct dev_context *devc, uint8_t *buf, int size);
+SR_PRIV int la8_read(struct dev_context *devc, uint8_t *buf, int size);
+SR_PRIV int la8_close(struct dev_context *devc);
+SR_PRIV int la8_close_usb_reset_sequencer(struct dev_context *devc);
+SR_PRIV int la8_reset(struct dev_context *devc);
+SR_PRIV int configure_probes(const struct sr_dev_inst *sdi);
+SR_PRIV int set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate);
+SR_PRIV int la8_read_block(struct dev_context *devc);
+SR_PRIV void send_block_to_session_bus(struct dev_context *devc, int block);