Re: [Patch] acerhdf: Return temperature in milidegree

[Andreas Mohr <andi@lisas.de>]

Hi,

On Mon, Oct 19, 2009 at 11:24:47PM +0200, Peter Feuerer wrote:
> I agree with you in these points, but I have also some disadvantages to discuss:
>
> Disadvantages:
> - Thinking about the implemenation such a macro would require, users may  
>   get confused. They would still set the fanon / fanoff trip points in   
> degree, but when they read documentation or the current temperature,   
> millidegree is used.  - I think "TEMP_DEGREE_TO_SYS(59)" in code is not   
> as good readable as "59000"
>
> what about writing something like "59 * 1000" insead of "59000"?
>
> Or something like that:
>
> #define FACTOR_MILLIDEGREE 1000
> 59 * FACTOR_MILLIDEGREE 
>
> this solution has all your listed advantages and eliminates the  
> disadvantages I see in the "TEMP_DEGREE_TO_SYS" solution.

Well, yes, much better, in fact TEMP_DEGREE_TO_SYS is simple overengineering
(using a generic, _cryptic_ name in order to keep using it in the somewhat unlikely
case of having the factor change when you could just as well have mass-renamed
the couple places that use the macro name)

Andreas