43 static int iqs620_pwm_init(struct iqs620_pwm_private *iqs620_pwm,  in iqs620_pwm_init()  argument
46 	struct iqs62x_core *iqs62x = iqs620_pwm->iqs62x;  in iqs620_pwm_init()
65 	struct iqs620_pwm_private *iqs620_pwm;  in iqs620_pwm_apply()  local
76 	iqs620_pwm = container_of(chip, struct iqs620_pwm_private, chip);  in iqs620_pwm_apply()
96 	mutex_lock(&iqs620_pwm->lock);  in iqs620_pwm_apply()
98 	ret = iqs620_pwm_init(iqs620_pwm, duty_scale);  in iqs620_pwm_apply()
100 		iqs620_pwm->duty_scale = duty_scale;  in iqs620_pwm_apply()
102 	mutex_unlock(&iqs620_pwm->lock);  in iqs620_pwm_apply()
110 	struct iqs620_pwm_private *iqs620_pwm;  in iqs620_pwm_get_state()  local
112 	iqs620_pwm = container_of(chip, struct iqs620_pwm_private, chip);  in iqs620_pwm_get_state()
114 	mutex_lock(&iqs620_pwm->lock);  in iqs620_pwm_get_state()
122 	state->enabled = iqs620_pwm->duty_scale > 0;  in iqs620_pwm_get_state()
123 	state->duty_cycle = DIV_ROUND_UP(iqs620_pwm->duty_scale *  in iqs620_pwm_get_state()
126 	mutex_unlock(&iqs620_pwm->lock);  in iqs620_pwm_get_state()
137 	struct iqs620_pwm_private *iqs620_pwm;  in iqs620_pwm_notifier()  local
143 	iqs620_pwm = container_of(notifier, struct iqs620_pwm_private,  in iqs620_pwm_notifier()
146 	mutex_lock(&iqs620_pwm->lock);  in iqs620_pwm_notifier()
153 	ret = iqs620_pwm_init(iqs620_pwm, iqs620_pwm->duty_scale);  in iqs620_pwm_notifier()
155 	mutex_unlock(&iqs620_pwm->lock);  in iqs620_pwm_notifier()
158 		dev_err(iqs620_pwm->chip.dev,  in iqs620_pwm_notifier()
174 	struct iqs620_pwm_private *iqs620_pwm = context;  in iqs620_pwm_notifier_unregister()  local
177 	ret = blocking_notifier_chain_unregister(&iqs620_pwm->iqs62x->nh,  in iqs620_pwm_notifier_unregister()
178 						 &iqs620_pwm->notifier);  in iqs620_pwm_notifier_unregister()
180 		dev_err(iqs620_pwm->chip.dev,  in iqs620_pwm_notifier_unregister()
187 	struct iqs620_pwm_private *iqs620_pwm;  in iqs620_pwm_probe()  local
191 	iqs620_pwm = devm_kzalloc(&pdev->dev, sizeof(*iqs620_pwm), GFP_KERNEL);  in iqs620_pwm_probe()
192 	if (!iqs620_pwm)  in iqs620_pwm_probe()
195 	iqs620_pwm->iqs62x = iqs62x;  in iqs620_pwm_probe()
206 		iqs620_pwm->duty_scale = val + 1;  in iqs620_pwm_probe()
209 	iqs620_pwm->chip.dev = &pdev->dev;  in iqs620_pwm_probe()
210 	iqs620_pwm->chip.ops = &iqs620_pwm_ops;  in iqs620_pwm_probe()
211 	iqs620_pwm->chip.npwm = 1;  in iqs620_pwm_probe()
213 	mutex_init(&iqs620_pwm->lock);  in iqs620_pwm_probe()
215 	iqs620_pwm->notifier.notifier_call = iqs620_pwm_notifier;  in iqs620_pwm_probe()
216 	ret = blocking_notifier_chain_register(&iqs620_pwm->iqs62x->nh,  in iqs620_pwm_probe()
217 					       &iqs620_pwm->notifier);  in iqs620_pwm_probe()
225 				       iqs620_pwm);  in iqs620_pwm_probe()
229 	ret = devm_pwmchip_add(&pdev->dev, &iqs620_pwm->chip);  in iqs620_pwm_probe()