Remove printf in acpi_tz_sanity()

[Paul B Mahol]

On Sun, Nov 21, 2010 at 9:17 PM, Andriy Gapon <avg at freebsd.org> wrote:
> on 21/11/2010 13:07 Paul B Mahol said the following:
>> This patch removes printf which spams console whenever thermal state
>> is changed in laptop. Source of problem is in buggy BIOS.
>>
>> diff --git a/sys/dev/acpica/acpi_thermal.c b/sys/dev/acpica/acpi_thermal.c
>> index 515a742..00866b2 100644
>> --- a/sys/dev/acpica/acpi_thermal.c
>> +++ b/sys/dev/acpica/acpi_thermal.c
>> @@ -697,11 +697,8 @@ acpi_tz_getparam(struct acpi_tz_softc *sc, char
>> *node, int *data)
>>  static void
>>  acpi_tz_sanity(struct acpi_tz_softc *sc, int *val, char *what)
>>  {
>> -    if (*val != -1 && (*val < TZ_ZEROC || *val > TZ_ZEROC + 2000)) {
>> -     device_printf(sc->tz_dev, "%s value is absurd, ignored (%d.%dC)\n",
>> -                   what, TZ_KELVTOC(*val));
>> +    if (*val != -1 && (*val < TZ_ZEROC || *val > TZ_ZEROC + 2000))
>>       *val = -1;
>> -    }
>>  }
>
> As is - this is a perfect candidate for a "local only" patch.
> To be included into the tree - this, most probably, has to be controlled by a
> tunable/sysctl.

So solution for useless console spamming is to add useless sysctl.

For -1 values, sane default values should be picked up.
Anyway only _CRT is showing on console, and _PSV & _HOT are both -1 for tz0.

I'm not first one mentioning this and issue is old several years.