rt9467_get_adc
return rt9467_get_adc(data, RT9467_ADC_VBUS_DIV5, &val->intval);
return rt9467_get_adc(data, RT9467_ADC_IBUS, &val->intval);
ret = rt9467_get_adc(data, RT9467_ADC_IBUS, &ibus_ma);