48 static int iqs620_pwm_init(struct iqs620_pwm_private *iqs620_pwm,  in iqs620_pwm_init()  argument
51 	struct iqs62x_core *iqs62x = iqs620_pwm->iqs62x;  in iqs620_pwm_init()
70 	struct iqs620_pwm_private *iqs620_pwm;  in iqs620_pwm_apply()  local
81 	iqs620_pwm = iqs620_pwm_from_chip(chip);  in iqs620_pwm_apply()
101 	mutex_lock(&iqs620_pwm->lock);  in iqs620_pwm_apply()
103 	ret = iqs620_pwm_init(iqs620_pwm, duty_scale);  in iqs620_pwm_apply()
105 		iqs620_pwm->duty_scale = duty_scale;  in iqs620_pwm_apply()
107 	mutex_unlock(&iqs620_pwm->lock);  in iqs620_pwm_apply()
115 	struct iqs620_pwm_private *iqs620_pwm;  in iqs620_pwm_get_state()  local
117 	iqs620_pwm = iqs620_pwm_from_chip(chip);  in iqs620_pwm_get_state()
119 	mutex_lock(&iqs620_pwm->lock);  in iqs620_pwm_get_state()
127 	state->enabled = iqs620_pwm->duty_scale > 0;  in iqs620_pwm_get_state()
128 	state->duty_cycle = DIV_ROUND_UP(iqs620_pwm->duty_scale *  in iqs620_pwm_get_state()
131 	mutex_unlock(&iqs620_pwm->lock);  in iqs620_pwm_get_state()
142 	struct iqs620_pwm_private *iqs620_pwm;  in iqs620_pwm_notifier()  local
148 	iqs620_pwm = container_of(notifier, struct iqs620_pwm_private,  in iqs620_pwm_notifier()
151 	mutex_lock(&iqs620_pwm->lock);  in iqs620_pwm_notifier()
158 	ret = iqs620_pwm_init(iqs620_pwm, iqs620_pwm->duty_scale);  in iqs620_pwm_notifier()
160 	mutex_unlock(&iqs620_pwm->lock);  in iqs620_pwm_notifier()
163 		dev_err(iqs620_pwm->dev,  in iqs620_pwm_notifier()
178 	struct iqs620_pwm_private *iqs620_pwm = context;  in iqs620_pwm_notifier_unregister()  local
181 	ret = blocking_notifier_chain_unregister(&iqs620_pwm->iqs62x->nh,  in iqs620_pwm_notifier_unregister()
182 						 &iqs620_pwm->notifier);  in iqs620_pwm_notifier_unregister()
184 		dev_err(iqs620_pwm->dev,  in iqs620_pwm_notifier_unregister()
192 	struct iqs620_pwm_private *iqs620_pwm;  in iqs620_pwm_probe()  local
196 	chip = devm_pwmchip_alloc(&pdev->dev, 1, sizeof(*iqs620_pwm));  in iqs620_pwm_probe()
200 	iqs620_pwm = iqs620_pwm_from_chip(chip);  in iqs620_pwm_probe()
201 	iqs620_pwm->dev = &pdev->dev;  in iqs620_pwm_probe()
202 	iqs620_pwm->iqs62x = iqs62x;  in iqs620_pwm_probe()
213 		iqs620_pwm->duty_scale = val + 1;  in iqs620_pwm_probe()
218 	mutex_init(&iqs620_pwm->lock);  in iqs620_pwm_probe()
220 	iqs620_pwm->notifier.notifier_call = iqs620_pwm_notifier;  in iqs620_pwm_probe()
221 	ret = blocking_notifier_chain_register(&iqs620_pwm->iqs62x->nh,  in iqs620_pwm_probe()
222 					       &iqs620_pwm->notifier);  in iqs620_pwm_probe()
230 				       iqs620_pwm);  in iqs620_pwm_probe()