dev_pm_opp_adjust_voltage
ret = dev_pm_opp_adjust_voltage(cpu_dev, freq_hz, volt, volt, volt);
EXPORT_SYMBOL_GPL(dev_pm_opp_adjust_voltage);
ret = dev_pm_opp_adjust_voltage(svsb->opp_dev,
ret = dev_pm_opp_adjust_voltage(svsb->opp_dev,
ret = dev_pm_opp_adjust_voltage(cpu, opp_freq * MHZ,
int dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq,