TSL2772_CNTL_PWR_ON
if ((ret & (TSL2772_CNTL_ADC_ENBL | TSL2772_CNTL_PWR_ON))
!= (TSL2772_CNTL_ADC_ENBL | TSL2772_CNTL_PWR_ON)) {
ret = tsl2772_write_control_reg(chip, TSL2772_CNTL_PWR_ON);
reg_val = TSL2772_CNTL_PWR_ON | TSL2772_CNTL_ADC_ENBL |