On 08/03/2014 05:52 PM, Jean Delvare wrote:
> On Sun, 03 Aug 2014 17:12:57 +0200, Goffredo Baroncelli wrote:
>> On 08/03/2014 04:12 PM, Jean Delvare wrote:
>>>> + (verbose > 0 && level >= 0)) {
>>>> + print_temp("CPU-temp: ", temp );
>>>> + if (casetemp)
>>>> + print_temp(", Case: ", casetemp );
>>>> + if (level >= 0)
>>>> + printk(", Fan: %d (tuned %+d)\n", 11-level,
>>>> + x.fan_level-level );
>>>> + else
>>>> + printk(", Fan: %d (tuned +0)\n",x.fan_level);
>>>
>>> I think you can do without the "tuned +0" which doesn't add much value.
>>
>> Me too. But the old driver does the same, so I preferred to
>> leave it as is.
>
> I looked at the code again and no, I can't see the old code doing that.
> It has "tuned %+d" only in tune_fan() which is only called if
> level >= 0. The other printk (when tune_fan isn't called) doesn't have
> a "tuned" part.
>
This is taken from an old log of a v3.2 kernel (no changes here):
[ 886.510879] CPU-temp: 55.4 C, Case: 33.1 C, Fan: 0 (tuned -11)
[ 910.522869] CPU-temp: 56.0 C, Case: 33.5 C, Fan: 0 (tuned +0)
[ 958.546880] CPU-temp: 57.0 C, Case: 34.1 C, Fan: 3 (tuned +3)
in the code if level <0, then there is no update in the log. But if
level >0 and level is equal to the previous one, this leads to
have "tuned +0"...
But I have to be honest: I have not fully understand how
"level" is computed.
The printk without "(tuned %+d)" is never called because
LOG_TEMP was #define(d) equal to 0.
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