tsl2563_set_power
tsl2563_set_power(chip, 0);
ret = tsl2563_set_power(chip, 1);
ret = tsl2563_set_power(chip, 1);
ret = tsl2563_set_power(chip, 1);
tsl2563_set_power(chip, 0);
ret = tsl2563_set_power(chip, 0);
ret = tsl2563_set_power(chip, 1);