274 					    struct ff_effect *effect)  in pidff_set_constant_force_report()  argument
279 			 effect->u.constant.level);  in pidff_set_constant_force_report()
288 static int pidff_needs_set_constant(struct ff_effect *effect,  in pidff_needs_set_constant()  argument
291 	return effect->u.constant.level != old->u.constant.level;  in pidff_needs_set_constant()
295  * Send set effect report to the device
298 				    struct ff_effect *effect)  in pidff_set_effect_report()  argument
304 	pidff->set_effect[PID_DURATION].value[0] = effect->replay.length;  in pidff_set_effect_report()
305 	pidff->set_effect[PID_TRIGGER_BUTTON].value[0] = effect->trigger.button;  in pidff_set_effect_report()
307 		effect->trigger.interval;  in pidff_set_effect_report()
312 		pidff_rescale(effect->direction, 0xffff,  in pidff_set_effect_report()
314 	pidff->set_effect[PID_START_DELAY].value[0] = effect->replay.delay;  in pidff_set_effect_report()
323 static int pidff_needs_set_effect(struct ff_effect *effect,  in pidff_needs_set_effect()  argument
326 	return effect->replay.length != old->replay.length ||  in pidff_needs_set_effect()
327 	       effect->trigger.interval != old->trigger.interval ||  in pidff_needs_set_effect()
328 	       effect->trigger.button != old->trigger.button ||  in pidff_needs_set_effect()
329 	       effect->direction != old->direction ||  in pidff_needs_set_effect()
330 	       effect->replay.delay != old->replay.delay;  in pidff_needs_set_effect()
334  * Send periodic effect report to the device
337 				      struct ff_effect *effect)  in pidff_set_periodic_report()  argument
342 			 effect->u.periodic.magnitude);  in pidff_set_periodic_report()
344 			 effect->u.periodic.offset);  in pidff_set_periodic_report()
345 	pidff_set(&pidff->set_periodic[PID_PHASE], effect->u.periodic.phase);  in pidff_set_periodic_report()
346 	pidff->set_periodic[PID_PERIOD].value[0] = effect->u.periodic.period;  in pidff_set_periodic_report()
354  * Test if periodic effect parameters have changed
356 static int pidff_needs_set_periodic(struct ff_effect *effect,  in pidff_needs_set_periodic()  argument
359 	return effect->u.periodic.magnitude != old->u.periodic.magnitude ||  in pidff_needs_set_periodic()
360 	       effect->u.periodic.offset != old->u.periodic.offset ||  in pidff_needs_set_periodic()
361 	       effect->u.periodic.phase != old->u.periodic.phase ||  in pidff_needs_set_periodic()
362 	       effect->u.periodic.period != old->u.periodic.period;  in pidff_needs_set_periodic()
366  * Send condition effect reports to the device
369 				       struct ff_effect *effect)  in pidff_set_condition_report()  argument
379 				 effect->u.condition[i].center);  in pidff_set_condition_report()
381 				 effect->u.condition[i].right_coeff);  in pidff_set_condition_report()
383 				 effect->u.condition[i].left_coeff);  in pidff_set_condition_report()
385 			  effect->u.condition[i].right_saturation);  in pidff_set_condition_report()
387 			  effect->u.condition[i].left_saturation);  in pidff_set_condition_report()
389 			  effect->u.condition[i].deadband);  in pidff_set_condition_report()
396  * Test if condition effect parameters have changed
398 static int pidff_needs_set_condition(struct ff_effect *effect,  in pidff_needs_set_condition()  argument
405 		struct ff_condition_effect *cond = &effect->u.condition[i];  in pidff_needs_set_condition()
423 					struct ff_effect *effect)  in pidff_set_ramp_force_report()  argument
428 			 effect->u.ramp.start_level);  in pidff_set_ramp_force_report()
430 			 effect->u.ramp.end_level);  in pidff_set_ramp_force_report()
438 static int pidff_needs_set_ramp(struct ff_effect *effect, struct ff_effect *old)  in pidff_needs_set_ramp()  argument
440 	return effect->u.ramp.start_level != old->u.ramp.start_level ||  in pidff_needs_set_ramp()
441 	       effect->u.ramp.end_level != old->u.ramp.end_level;  in pidff_needs_set_ramp()
445  * Send a request for effect upload to the device
489  * Play the effect with PID id n times
509  * Play the effect with effect id @effect_id for @value times
521  * Erase effect with PID id
531  * Stop and erase effect with effect_id
541 	   prevent the effect removal. */  in pidff_erase_effect()
550  * Effect upload handler
552 static int pidff_upload_effect(struct input_dev *dev, struct ff_effect *effect,  in pidff_upload_effect()  argument
562 			pidff->pid_id[effect->id];  in pidff_upload_effect()
565 	switch (effect->type) {  in pidff_upload_effect()
573 		if (!old || pidff_needs_set_effect(effect, old))  in pidff_upload_effect()
574 			pidff_set_effect_report(pidff, effect);  in pidff_upload_effect()
575 		if (!old || pidff_needs_set_constant(effect, old))  in pidff_upload_effect()
576 			pidff_set_constant_force_report(pidff, effect);  in pidff_upload_effect()
578 		    pidff_needs_set_envelope(&effect->u.constant.envelope,  in pidff_upload_effect()
581 					&effect->u.constant.envelope);  in pidff_upload_effect()
586 			switch (effect->u.periodic.waveform) {  in pidff_upload_effect()
612 		if (!old || pidff_needs_set_effect(effect, old))  in pidff_upload_effect()
613 			pidff_set_effect_report(pidff, effect);  in pidff_upload_effect()
614 		if (!old || pidff_needs_set_periodic(effect, old))  in pidff_upload_effect()
615 			pidff_set_periodic_report(pidff, effect);  in pidff_upload_effect()
617 		    pidff_needs_set_envelope(&effect->u.periodic.envelope,  in pidff_upload_effect()
620 					&effect->u.periodic.envelope);  in pidff_upload_effect()
630 		if (!old || pidff_needs_set_effect(effect, old))  in pidff_upload_effect()
631 			pidff_set_effect_report(pidff, effect);  in pidff_upload_effect()
632 		if (!old || pidff_needs_set_ramp(effect, old))  in pidff_upload_effect()
633 			pidff_set_ramp_force_report(pidff, effect);  in pidff_upload_effect()
635 		    pidff_needs_set_envelope(&effect->u.ramp.envelope,  in pidff_upload_effect()
638 					&effect->u.ramp.envelope);  in pidff_upload_effect()
648 		if (!old || pidff_needs_set_effect(effect, old))  in pidff_upload_effect()
649 			pidff_set_effect_report(pidff, effect);  in pidff_upload_effect()
650 		if (!old || pidff_needs_set_condition(effect, old))  in pidff_upload_effect()
651 			pidff_set_condition_report(pidff, effect);  in pidff_upload_effect()
661 		if (!old || pidff_needs_set_effect(effect, old))  in pidff_upload_effect()
662 			pidff_set_effect_report(pidff, effect);  in pidff_upload_effect()
663 		if (!old || pidff_needs_set_condition(effect, old))  in pidff_upload_effect()
664 			pidff_set_condition_report(pidff, effect);  in pidff_upload_effect()
674 		if (!old || pidff_needs_set_effect(effect, old))  in pidff_upload_effect()
675 			pidff_set_effect_report(pidff, effect);  in pidff_upload_effect()
676 		if (!old || pidff_needs_set_condition(effect, old))  in pidff_upload_effect()
677 			pidff_set_condition_report(pidff, effect);  in pidff_upload_effect()
687 		if (!old || pidff_needs_set_effect(effect, old))  in pidff_upload_effect()
688 			pidff_set_effect_report(pidff, effect);  in pidff_upload_effect()
689 		if (!old || pidff_needs_set_condition(effect, old))  in pidff_upload_effect()
690 			pidff_set_condition_report(pidff, effect);  in pidff_upload_effect()
699 		pidff->pid_id[effect->id] =  in pidff_upload_effect()
946 		hid_err(pidff->hid, "effect lists not found\n");  in pidff_find_special_fields()
966 		hid_err(pidff->hid, "effect operation field not found\n");  in pidff_find_special_fields()
978 		hid_err(pidff->hid, "no effect types found\n");  in pidff_find_special_fields()
993 		hid_err(pidff->hid, "effect operation identifiers not found\n");  in pidff_find_special_fields()
1001  * Find the implemented effect types
1013 				"effect type number %d is invalid\n", i);  in pidff_find_effects()
1097 				 "has constant effect but no envelope\n");  in pidff_init_fields()
1100 				 "has ramp effect but no envelope\n");  in pidff_init_fields()
1104 				 "has periodic effect but no envelope\n");  in pidff_init_fields()
1109 		hid_warn(pidff->hid, "unknown constant effect layout\n");  in pidff_init_fields()
1115 		hid_warn(pidff->hid, "unknown ramp effect layout\n");  in pidff_init_fields()
1124 		hid_warn(pidff->hid, "unknown condition effect layout\n");  in pidff_init_fields()
1133 		hid_warn(pidff->hid, "unknown periodic effect layout\n");  in pidff_init_fields()
1196 	 * effect upload and cancel it immediately. If the approved  in pidff_check_autocenter()
1197 	 * effect id was one above the minimum, then we assume the first  in pidff_check_autocenter()
1198 	 * effect id is a built-in spring type effect used for autocenter  in pidff_check_autocenter()