62 	int error;  in max77843_haptic_set_duty_cycle()  local
64 	error = pwm_config(haptic->pwm_dev, delta, haptic->pwm_dev->period);  in max77843_haptic_set_duty_cycle()
65 	if (error) {  in max77843_haptic_set_duty_cycle()
66 		dev_err(haptic->dev, "failed to configure pwm: %d\n", error);  in max77843_haptic_set_duty_cycle()
67 		return error;  in max77843_haptic_set_duty_cycle()
75 	int error;  in max77843_haptic_bias()  local
77 	error = regmap_update_bits(haptic->regmap_haptic,  in max77843_haptic_bias()
81 	if (error) {  in max77843_haptic_bias()
83 			on ? "enable" : "disable", error);  in max77843_haptic_bias()
84 		return error;  in max77843_haptic_bias()
93 	int error;  in max77843_haptic_config()  local
99 	error = regmap_write(haptic->regmap_haptic,  in max77843_haptic_config()
101 	if (error) {  in max77843_haptic_config()
103 			"failed to update haptic config: %d\n", error);  in max77843_haptic_config()
104 		return error;  in max77843_haptic_config()
112 	int error;  in max77843_haptic_enable()  local
117 	error = pwm_enable(haptic->pwm_dev);  in max77843_haptic_enable()
118 	if (error) {  in max77843_haptic_enable()
120 			"failed to enable pwm device: %d\n", error);  in max77843_haptic_enable()
121 		return error;  in max77843_haptic_enable()
124 	error = max77843_haptic_config(haptic, true);  in max77843_haptic_enable()
125 	if (error)  in max77843_haptic_enable()
135 	return error;  in max77843_haptic_enable()
140 	int error;  in max77843_haptic_disable()  local
145 	error = max77843_haptic_config(haptic, false);  in max77843_haptic_disable()
146 	if (error)  in max77843_haptic_disable()
147 		return error;  in max77843_haptic_disable()
160 	int error;  in max77843_haptic_play_work()  local
168 		error = max77843_haptic_set_duty_cycle(haptic);  in max77843_haptic_play_work()
169 		if (error) {  in max77843_haptic_play_work()
171 				"failed to set duty cycle: %d\n", error);  in max77843_haptic_play_work()
175 		error = max77843_haptic_enable(haptic);  in max77843_haptic_play_work()
176 		if (error)  in max77843_haptic_play_work()
178 				"cannot enable haptic: %d\n", error);  in max77843_haptic_play_work()
180 		error = max77843_haptic_disable(haptic);  in max77843_haptic_play_work()
181 		if (error)  in max77843_haptic_play_work()
183 				"cannot disable haptic: %d\n", error);  in max77843_haptic_play_work()
212 	int error;  in max77843_haptic_open()  local
214 	error = max77843_haptic_bias(haptic, true);  in max77843_haptic_open()
215 	if (error)  in max77843_haptic_open()
216 		return error;  in max77843_haptic_open()
218 	error = regulator_enable(haptic->motor_reg);  in max77843_haptic_open()
219 	if (error) {  in max77843_haptic_open()
221 			"failed to enable regulator: %d\n", error);  in max77843_haptic_open()
222 		return error;  in max77843_haptic_open()
231 	int error;  in max77843_haptic_close()  local
236 	error = regulator_disable(haptic->motor_reg);  in max77843_haptic_close()
237 	if (error)  in max77843_haptic_close()
239 			"failed to disable regulator: %d\n", error);  in max77843_haptic_close()
248 	int error;  in max77843_haptic_probe()  local
288 	error = input_ff_create_memless(haptic->input_dev, NULL,  in max77843_haptic_probe()
290 	if (error) {  in max77843_haptic_probe()
292 		return error;  in max77843_haptic_probe()
295 	error = input_register_device(haptic->input_dev);  in max77843_haptic_probe()
296 	if (error) {  in max77843_haptic_probe()
298 		return error;  in max77843_haptic_probe()
310 	int error;  in max77843_haptic_suspend()  local
312 	error = mutex_lock_interruptible(&haptic->mutex);  in max77843_haptic_suspend()
313 	if (error)  in max77843_haptic_suspend()
314 		return error;  in max77843_haptic_suspend()