lm90_get_temp
int temp = lm90_get_temp(data, index, channel);
int temp = lm90_get_temp(data, LOCAL_CRIT, 0);
*val = lm90_get_temp(data, lm90_temp_index[channel], channel);
*val = lm90_get_temp(data, lm90_temp_min_index[channel], channel);
*val = lm90_get_temp(data, lm90_temp_max_index[channel], channel);
*val = lm90_get_temp(data, lm90_temp_crit_index[channel], channel);
*val = lm90_get_temp(data, lm90_temp_emerg_index[channel], channel);