104 /* Values for execution engine programs. */
215  * @brief Get the base address for programs of the given execution engine.
217  * @param engine    Engine the base address is requested for.
221  * @retval -EINVAL If a source is given that is not a valid engine.
223 static int lp5562_get_engine_ram_base_addr(enum lp5562_led_sources engine,  in lp5562_get_engine_ram_base_addr()  argument
226 	switch (engine) {  in lp5562_get_engine_ram_base_addr()
246  * The engine with the highest index is placed on the lowest two bits in the
249  * @param engine Engine the shift is requested for.
253  * @retval -EINVAL If a source is given that is not a valid engine.
255 static int lp5562_get_engine_reg_shift(enum lp5562_led_sources engine,  in lp5562_get_engine_reg_shift()  argument
258 	switch (engine) {  in lp5562_get_engine_reg_shift()
277  *	step_time for the execution engine programs.
365  * @brief Request whether an engine is currently running.
368  * @param engine Engine to check.
370  * @return Indication of the engine execution state.
372  * @retval true  If the engine is currently running.
373  * @retval false If the engine is not running or an error occurred.
376 				       enum lp5562_led_sources engine)  in lp5562_is_engine_executing()  argument
382 	ret = lp5562_get_engine_reg_shift(engine, &shift);  in lp5562_is_engine_executing()
402  * @brief Get an available execution engine that is currently unused.
405  * @param engine Pointer to the engine ID.
411 				       enum lp5562_led_sources *engine)  in lp5562_get_available_engine()  argument
417 			LOG_DBG("Available engine: %d", src);  in lp5562_get_available_engine()
418 			*engine = src;  in lp5562_get_available_engine()
423 	LOG_ERR("No unused engine available");  in lp5562_get_available_engine()
429  * @brief Set an register shifted for the given execution engine.
432  * @param engine Engine the value is shifted for.
440 				 enum lp5562_led_sources engine,  in lp5562_set_engine_reg()  argument
447 	ret = lp5562_get_engine_reg_shift(engine, &shift);  in lp5562_set_engine_reg()
461  * @brief Set the operational mode of the given engine.
464  * @param engine Engine the operational mode is changed for.
471 					    enum lp5562_led_sources engine,  in lp5562_set_engine_op_mode()  argument
474 	return lp5562_set_engine_reg(dev, engine, LP5562_OP_MODE, mode);  in lp5562_set_engine_op_mode()
478  * @brief Set the execution state of the given engine.
481  * @param engine Engine the execution state is changed for.
488 					       enum lp5562_led_sources engine,  in lp5562_set_engine_exec_state()  argument
493 	ret = lp5562_set_engine_reg(dev, engine, LP5562_ENABLE, state);  in lp5562_set_engine_exec_state()
505  * @brief Start the execution of the program of the given engine.
508  * @param engine Engine that is started.
514 					    enum lp5562_led_sources engine)  in lp5562_start_program_exec()  argument
516 	if (lp5562_set_engine_op_mode(dev, engine, LP5562_OP_MODE_RUN)) {  in lp5562_start_program_exec()
520 	return lp5562_set_engine_exec_state(dev, engine,  in lp5562_start_program_exec()
525  * @brief Stop the execution of the program of the given engine.
528  * @param engine Engine that is stopped.
534 					   enum lp5562_led_sources engine)  in lp5562_stop_program_exec()  argument
536 	if (lp5562_set_engine_op_mode(dev, engine, LP5562_OP_MODE_DISABLED)) {  in lp5562_stop_program_exec()
540 	return lp5562_set_engine_exec_state(dev, engine,  in lp5562_stop_program_exec()
545  * @brief Program a command to the memory of the given execution engine.
548  * @param engine        Engine that is programmed.
555  *		   engine is passed.
559 				  enum lp5562_led_sources engine,  in lp5562_program_command()  argument
572 	ret = lp5562_get_engine_ram_base_addr(engine, &prog_base_addr);  in lp5562_program_command()
596  * @brief Program a command to set a fixed brightness to the given engine.
599  * @param engine        Engine to be programmed.
608 					 enum lp5562_led_sources engine,  in lp5562_program_set_brightness()  argument
623 	return lp5562_program_command(dev, engine, command_index,  in lp5562_program_set_brightness()
634  * @param engine        Engine to be programmed.
645 			       enum lp5562_led_sources engine,  in lp5562_program_ramp()  argument
663 	return lp5562_program_command(dev, engine, command_index,  in lp5562_program_ramp()
672  * @param engine        Engine to be programmed.
681 				      enum lp5562_led_sources engine,  in lp5562_program_wait()  argument
689 	return lp5562_program_ramp(dev, engine, command_index,  in lp5562_program_wait()
699  * @param engine        Engine to be programmed.
704  *		   engine is passed.
708 					     enum lp5562_led_sources engine,  in lp5562_program_go_to_start()  argument
711 	return lp5562_program_command(dev, engine, command_index, 0x00, 0x00);  in lp5562_program_go_to_start()
730  * @param engine        Engine running the blinking program.
734  * @retval -EINVAL If the engine ID or brightness is out of range.
738 					     enum lp5562_led_sources engine,  in lp5562_update_blinking_brightness()  argument
743 	ret = lp5562_stop_program_exec(dev, engine);  in lp5562_update_blinking_brightness()
748 	ret = lp5562_set_engine_op_mode(dev, engine, LP5562_OP_MODE_LOAD);  in lp5562_update_blinking_brightness()
754 	ret = lp5562_program_set_brightness(dev, engine, 0, brightness_on);  in lp5562_update_blinking_brightness()
759 	ret = lp5562_start_program_exec(dev, engine);  in lp5562_update_blinking_brightness()
774 	enum lp5562_led_sources engine;  in lp5562_led_blink()  local
779 	 * whether the "led" is in PWM mode or using an Engine.  in lp5562_led_blink()
781 	ret = lp5562_get_led_source(dev, led, &engine);  in lp5562_led_blink()
786 	/* Find and assign new engine only if the "led" is not using any. */  in lp5562_led_blink()
787 	if (engine == LP5562_SOURCE_PWM) {  in lp5562_led_blink()
788 		ret = lp5562_get_available_engine(dev, &engine);  in lp5562_led_blink()
793 		ret = lp5562_set_led_source(dev, led, engine);  in lp5562_led_blink()
800 	ret = lp5562_set_engine_op_mode(dev, engine, LP5562_OP_MODE_LOAD);  in lp5562_led_blink()
805 	ret = lp5562_program_set_brightness(dev, engine, command_index,  in lp5562_led_blink()
811 	ret = lp5562_program_wait(dev, engine, ++command_index, delay_on);  in lp5562_led_blink()
816 	ret = lp5562_program_set_brightness(dev, engine, ++command_index,  in lp5562_led_blink()
822 	ret = lp5562_program_wait(dev, engine, ++command_index, delay_off);  in lp5562_led_blink()
827 	ret = lp5562_program_go_to_start(dev, engine, ++command_index);  in lp5562_led_blink()
832 	ret = lp5562_start_program_exec(dev, engine);  in lp5562_led_blink()