ltc4283_write_power_byte
return ltc4283_write_power_byte(st, LTC4283_POWER_MAX_TH, val);
return ltc4283_write_power_byte(st, LTC4283_POWER_MIN_TH, val);
return ltc4283_write_power_byte(st, LTC4283_POWER_MAX_TH, st->power_max);