lkml.org 
[lkml]   [2016]   [May]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: lm-senser can't detect thermal on thermal_zone
Date

Hi Zhang

Thank you for your help

> > non thermal-zon
> > sensor command: OK
> > read from /sys/class/thermal/thermal_zone0 : OK
> >
> > thermal-zon
> > sensor command: NG
> > read from /sys/class/thermal/thermal_zone0 : OK
>
> config THERMAL_HWMON
> bool
> prompt "Expose thermal sensors as hwmon device"
> depends on HWMON=y || HWMON=THERMAL
> default y
>
> please check if the thermal subsystem is built in, while hwmon subsystem
> is built as module.
> you should either set CONFIG_HWMON=y, or set both CONFIG_HWMON and
> CONFIG_THERMAL as module.

Thanks. but it seems our system has it.

I noticed that thermal_zone case uses of_parse_thermal_zones()
and it has this.

/* No hwmon because there might be hwmon drivers registering */
tzp->no_hwmon = true;

and on thermal_zone_device_register() check this for hwmon

struct thermal_zone_device *thermal_zone_device_register(xxxx)
{
...
if (!tz->tzp || !tz->tzp->no_hwmon) {
result = thermal_add_hwmon_sysfs(tz);
...
}
...
}

Does this mean "thermal_zone doesn't use lm-senser" ?

\
 
 \ /
  Last update: 2016-05-13 04:21    [W:0.067 / U:1.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site