lm90_set_temp
err = lm90_set_temp(data, lm90_temp_min_index[channel],
err = lm90_set_temp(data, lm90_temp_max_index[channel],
err = lm90_set_temp(data, lm90_temp_crit_index[channel],
err = lm90_set_temp(data, lm90_temp_emerg_index[channel],