RZG2L_ADM0_ADBSY
ret = read_poll_timeout(rzg2l_adc_readl, reg, !(reg & (RZG2L_ADM0_ADBSY | RZG2L_ADM0_ADCE)),
if (rzg2l_adc_readl(adc, RZG2L_ADM(0)) & RZG2L_ADM0_ADBSY)