tsl2583_set_power_state
ret = tsl2583_set_power_state(chip, TSL2583_CNTL_PWR_ON);
ret = tsl2583_set_power_state(chip, TSL2583_CNTL_PWR_ON |
tsl2583_set_power_state(chip, TSL2583_CNTL_PWR_OFF);
ret = tsl2583_set_power_state(chip, TSL2583_CNTL_PWR_OFF);