added support for multiple temperature sources, highest wins

config-example.yaml

@@ -11,11 +11,14 @@ interval: 1
 
 thermalzones:
   - name: GPU+SYSTEM
+
     # This is your source temperature.
     source: amdgpu/temp1_input
+
     # This is most likely 1000 for your temp sensor as well.
-    # If not, check what you sensor is outputing if you try to read from it.
+    # If not, check what you sensor is outputting if you try to read from it.
     factor: 1000
+
     # Define all fans that this thermal zone is going to control.
     # There is no limit to how many fans one thermal zone can control.
     # You can have different limitations on your fans, for example:
@@ -27,10 +30,12 @@ thermalzones:
     fan:
       - it8686/pwm2
       - amdgpu/pwm1: 170
+
     # This is your target temperature. This is one of the main control knobs. Set this to a comfortable temperature for
     # your equipment. Don't set this as high as its max temperature allowance, since pid is gonna allow some overshooting.
     target: 60
-    # For understanding PID please have a look at https://en.wikipedia.org/wiki/PID_controller. The forementioned page
+
+    # For understanding PID please have a look at https://en.wikipedia.org/wiki/PID_controller. The aforementioned page
     # also explains what p, i and d stand for and what they do in detail. These are the second main control knobs.
     # Simplified you can view them as:
     #   p = how heavy should pid weight difference in temperature

pyfan.py

@@ -73,10 +73,18 @@ class ThermalZone:
                                                                          d=int(d)))
 
     def get_temp(self):
-        if self.read_sysfs(self.temp_source):
-            return float(self.read_sysfs(self.temp_source)) * self.factor
+        if type(self.temp_source) is list:
+            max_temp = -1.0
+            for fan in self.temp_source:
+                if self.read_sysfs(fan):
+                    max_temp = max(float(self.read_sysfs(fan)) * self.factor, max_temp)
+
+            return max_temp
         else:
-            return None
+            if self.read_sysfs(self.temp_source):
+                return float(self.read_sysfs(self.temp_source)) * self.factor
+            else:
+                return None
 
     def restore(self):
         self.setup_pwm(2)
@@ -88,7 +96,7 @@ class ThermalZone:
                     self.set_pwm_mode(list(target_fan.keys())[0], value)
                 else:
                     self.set_pwm_mode(target_fan, value)
-            except FileNotFoundError as err:
+            except FileNotFoundError:
                 logging.getLogger("pyfan").warning("[%s] pwm not found."
                                                    " Try reloading hwmon map..." % self.name)
                 self.hwmap = self.pyfan.hwmap