89 	struct raspberrypi_pwm *rpipwm = raspberrypi_pwm_from_chip(chip);  in raspberrypi_pwm_get_state()  local
92 	state->duty_cycle = DIV_ROUND_UP(rpipwm->duty_cycle * RPI_PWM_PERIOD_NS,  in raspberrypi_pwm_get_state()
94 	state->enabled = !!(rpipwm->duty_cycle);  in raspberrypi_pwm_get_state()
103 	struct raspberrypi_pwm *rpipwm = raspberrypi_pwm_from_chip(chip);  in raspberrypi_pwm_apply()  local
119 	if (duty_cycle == rpipwm->duty_cycle)  in raspberrypi_pwm_apply()
122 	ret = raspberrypi_pwm_set_property(rpipwm->firmware, RPI_PWM_CUR_DUTY_REG,  in raspberrypi_pwm_apply()
130 	rpipwm->duty_cycle = duty_cycle;  in raspberrypi_pwm_apply()
146 	struct raspberrypi_pwm *rpipwm;  in raspberrypi_pwm_probe()  local
161 	rpipwm = devm_kzalloc(&pdev->dev, sizeof(*rpipwm), GFP_KERNEL);  in raspberrypi_pwm_probe()
162 	if (!rpipwm)  in raspberrypi_pwm_probe()
165 	rpipwm->firmware = firmware;  in raspberrypi_pwm_probe()
166 	rpipwm->chip.dev = dev;  in raspberrypi_pwm_probe()
167 	rpipwm->chip.ops = &raspberrypi_pwm_ops;  in raspberrypi_pwm_probe()
168 	rpipwm->chip.npwm = RASPBERRYPI_FIRMWARE_PWM_NUM;  in raspberrypi_pwm_probe()
170 	ret = raspberrypi_pwm_get_property(rpipwm->firmware, RPI_PWM_CUR_DUTY_REG,  in raspberrypi_pwm_probe()
171 					   &rpipwm->duty_cycle);  in raspberrypi_pwm_probe()
177 	return devm_pwmchip_add(dev, &rpipwm->chip);  in raspberrypi_pwm_probe()