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Set fan back to kernel controlled on exit #44

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Set fan back to kernel controlled on exit #44

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3 changes: 3 additions & 0 deletions amdgpu_fan/controller.py
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,9 @@ def main(self):
try:
self._main_loop()
except KeyboardInterrupt:
for name, card in self._scanner.cards.items():
logger.debug(f"Setting {name} fan back to kernel controlled.")
card.set_system_controlled_fan(True)
logger.info(f'Exiting.')

def _main_loop(self):
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2 changes: 1 addition & 1 deletion amdgpu_fan/lib/amdgpu.py
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Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,7 @@ def fan_min(self):
return int(self.read_endpoint('pwm1_min'))

def set_system_controlled_fan(self, state):
self.write_endpoint('pwm1_enable', 0 if state else 1)
self.write_endpoint('pwm1_enable', 2 if state else 1)

def set_fan_speed(self, speed):
if speed >= 100:
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