356 					    struct ff_effect *effect)  in pidff_set_constant_force_report()  argument
361 			 effect->u.constant.level);  in pidff_set_constant_force_report()
370 static int pidff_needs_set_constant(struct ff_effect *effect,  in pidff_needs_set_constant()  argument
373 	return effect->u.constant.level != old->u.constant.level;  in pidff_needs_set_constant()
377  * Send set effect report to the device
380 				    struct ff_effect *effect)  in pidff_set_effect_report()  argument
388 		effect->replay.length);  in pidff_set_effect_report()
390 	pidff->set_effect[PID_TRIGGER_BUTTON].value[0] = effect->trigger.button;  in pidff_set_effect_report()
392 			effect->trigger.interval);  in pidff_set_effect_report()
400 		PIDFF_FIXED_WHEEL_DIRECTION : effect->direction,  in pidff_set_effect_report()
406 				effect->replay.delay);  in pidff_set_effect_report()
415 static int pidff_needs_set_effect(struct ff_effect *effect,  in pidff_needs_set_effect()  argument
418 	return effect->replay.length != old->replay.length ||  in pidff_needs_set_effect()
419 	       effect->trigger.interval != old->trigger.interval ||  in pidff_needs_set_effect()
420 	       effect->trigger.button != old->trigger.button ||  in pidff_needs_set_effect()
421 	       effect->direction != old->direction ||  in pidff_needs_set_effect()
422 	       effect->replay.delay != old->replay.delay;  in pidff_needs_set_effect()
426  * Send periodic effect report to the device
429 				      struct ff_effect *effect)  in pidff_set_periodic_report()  argument
434 			 effect->u.periodic.magnitude);  in pidff_set_periodic_report()
436 			 effect->u.periodic.offset);  in pidff_set_periodic_report()
437 	pidff_set(&pidff->set_periodic[PID_PHASE], effect->u.periodic.phase);  in pidff_set_periodic_report()
439 			effect->u.periodic.period);  in pidff_set_periodic_report()
446  * Test if periodic effect parameters have changed
448 static int pidff_needs_set_periodic(struct ff_effect *effect,  in pidff_needs_set_periodic()  argument
451 	return effect->u.periodic.magnitude != old->u.periodic.magnitude ||  in pidff_needs_set_periodic()
452 	       effect->u.periodic.offset != old->u.periodic.offset ||  in pidff_needs_set_periodic()
453 	       effect->u.periodic.phase != old->u.periodic.phase ||  in pidff_needs_set_periodic()
454 	       effect->u.periodic.period != old->u.periodic.period;  in pidff_needs_set_periodic()
458  * Send condition effect reports to the device
461 				       struct ff_effect *effect)  in pidff_set_condition_report()  argument
477 				 effect->u.condition[i].center);  in pidff_set_condition_report()
479 				 effect->u.condition[i].right_coeff);  in pidff_set_condition_report()
481 				 effect->u.condition[i].left_coeff);  in pidff_set_condition_report()
483 			  effect->u.condition[i].right_saturation);  in pidff_set_condition_report()
485 			  effect->u.condition[i].left_saturation);  in pidff_set_condition_report()
487 			  effect->u.condition[i].deadband);  in pidff_set_condition_report()
494  * Test if condition effect parameters have changed
496 static int pidff_needs_set_condition(struct ff_effect *effect,  in pidff_needs_set_condition()  argument
503 		struct ff_condition_effect *cond = &effect->u.condition[i];  in pidff_needs_set_condition()
521 					struct ff_effect *effect)  in pidff_set_ramp_force_report()  argument
526 			 effect->u.ramp.start_level);  in pidff_set_ramp_force_report()
528 			 effect->u.ramp.end_level);  in pidff_set_ramp_force_report()
536 static int pidff_needs_set_ramp(struct ff_effect *effect, struct ff_effect *old)  in pidff_needs_set_ramp()  argument
538 	return effect->u.ramp.start_level != old->u.ramp.start_level ||  in pidff_needs_set_ramp()
539 	       effect->u.ramp.end_level != old->u.ramp.end_level;  in pidff_needs_set_ramp()
636  * Send a request for effect upload to the device
683 			hid_dbg(pidff->hid, "device error during effect creation\n");  in pidff_request_effect_upload()
692  * Play the effect with PID id n times
713  * Play the effect with effect id @effect_id for @value times
723  * Erase effect with PID id
724  * Decrease the device effect counter
737  * Stop and erase effect with effect_id
749 	 * a full fifo to prevent the effect removal.  in pidff_erase_effect()
759  * Effect upload handler
761 static int pidff_upload_effect(struct input_dev *dev, struct ff_effect *effect,  in pidff_upload_effect()  argument
771 			pidff->pid_id[effect->id];  in pidff_upload_effect()
774 	switch (effect->type) {  in pidff_upload_effect()
782 		if (!old || pidff_needs_set_effect(effect, old))  in pidff_upload_effect()
783 			pidff_set_effect_report(pidff, effect);  in pidff_upload_effect()
784 		if (!old || pidff_needs_set_constant(effect, old))  in pidff_upload_effect()
785 			pidff_set_constant_force_report(pidff, effect);  in pidff_upload_effect()
786 		if (pidff_needs_set_envelope(&effect->u.constant.envelope,  in pidff_upload_effect()
788 			pidff_set_envelope_report(pidff, &effect->u.constant.envelope);  in pidff_upload_effect()
793 			switch (effect->u.periodic.waveform) {  in pidff_upload_effect()
822 		if (!old || pidff_needs_set_effect(effect, old))  in pidff_upload_effect()
823 			pidff_set_effect_report(pidff, effect);  in pidff_upload_effect()
824 		if (!old || pidff_needs_set_periodic(effect, old))  in pidff_upload_effect()
825 			pidff_set_periodic_report(pidff, effect);  in pidff_upload_effect()
826 		if (pidff_needs_set_envelope(&effect->u.periodic.envelope,  in pidff_upload_effect()
828 			pidff_set_envelope_report(pidff, &effect->u.periodic.envelope);  in pidff_upload_effect()
838 		if (!old || pidff_needs_set_effect(effect, old))  in pidff_upload_effect()
839 			pidff_set_effect_report(pidff, effect);  in pidff_upload_effect()
840 		if (!old || pidff_needs_set_ramp(effect, old))  in pidff_upload_effect()
841 			pidff_set_ramp_force_report(pidff, effect);  in pidff_upload_effect()
842 		if (pidff_needs_set_envelope(&effect->u.ramp.envelope,  in pidff_upload_effect()
844 			pidff_set_envelope_report(pidff, &effect->u.ramp.envelope);  in pidff_upload_effect()
852 			switch(effect->type) {  in pidff_upload_effect()
871 		if (!old || pidff_needs_set_effect(effect, old))  in pidff_upload_effect()
872 			pidff_set_effect_report(pidff, effect);  in pidff_upload_effect()
873 		if (!old || pidff_needs_set_condition(effect, old))  in pidff_upload_effect()
874 			pidff_set_condition_report(pidff, effect);  in pidff_upload_effect()
883 		pidff->pid_id[effect->id] =  in pidff_upload_effect()
1150 		hid_err(pidff->hid, "effect lists not found\n");  in pidff_find_special_fields()
1170 		hid_err(pidff->hid, "effect operation field not found\n");  in pidff_find_special_fields()
1178 		hid_err(pidff->hid, "no effect types found\n");  in pidff_find_special_fields()
1193 		hid_err(pidff->hid, "effect operation identifiers not found\n");  in pidff_find_special_fields()
1201  * Find the implemented effect types
1213 				"effect type number %d is invalid\n", i);  in pidff_find_effects()
1300 				 "has constant effect but no envelope\n");  in pidff_init_fields()
1303 				 "has ramp effect but no envelope\n");  in pidff_init_fields()
1307 				 "has periodic effect but no envelope\n");  in pidff_init_fields()
1312 		hid_warn(pidff->hid, "unknown constant effect layout\n");  in pidff_init_fields()
1318 		hid_warn(pidff->hid, "unknown ramp effect layout\n");  in pidff_init_fields()
1329 			hid_warn(pidff->hid, "unknown condition effect layout\n");  in pidff_init_fields()
1340 		hid_warn(pidff->hid, "unknown periodic effect layout\n");  in pidff_init_fields()
1363 	 * effect upload and cancel it immediately. If the approved  in pidff_check_autocenter()
1364 	 * effect id was one above the minimum, then we assume the first  in pidff_check_autocenter()
1365 	 * effect id is a built-in spring type effect used for autocenter  in pidff_check_autocenter()